Health

Kidney Doctors Warn Against These Foods

40. French Fries French fries are a favorite side dish, but their high salt and fat content can be especially problematic for kidney health. A typical… Diana Yasinskaya - August 11, 2025

Chronic kidney disease (CKD) affects over 850 million people worldwide, yet nearly 90% remain undiagnosed until advanced stages, according to the National Kidney Foundation. The kidneys perform crucial functions such as filtering waste, balancing fluids, and regulating blood pressure. Unfortunately, symptoms often appear late, making early intervention challenging. Poor dietary choices can accelerate kidney damage, underscoring the importance of awareness. As CKD incidence rises globally, understanding which foods to avoid is vital for protecting kidney health and improving long-term outcomes. For more statistics, visit the World Health Organization.

1. Processed Meats

1. Processed Meats
An assortment of savory sausages and sliced ham is artfully arranged on a platter, highlighting classic processed meats. | Generated by Google Gemini

Processed meats such as bacon, sausages, hot dogs, deli meats, and ham are notorious for their high sodium content and an array of chemical preservatives, including nitrates and phosphates. According to the National Kidney Foundation, excessive sodium intake can elevate blood pressure and increase the burden on the kidneys, accelerating the progression of kidney disease. These additives are not only linked with poor kidney outcomes but also contribute to cardiovascular disease risk, which is already heightened in those with kidney dysfunction.

When compared to fresh meats, processed versions contain significantly more sodium—sometimes up to five times as much per serving. Fresh poultry, fish, and lean cuts of beef or pork are preferable for those concerned about kidney health, as they lack these harmful additives and allow for better control over seasoning. Kidney specialists recommend limiting processed meat consumption as much as possible, replacing them with homemade, minimally seasoned fresh meats.

For more information about making kidney-friendly dietary choices, visit the Kidney Kitchen by The Renal Association. Small changes in your protein sources can make a substantial impact on your kidney’s long-term function and overall health.

2. Canned Soups

2. Canned Soups
A classic canned soup is showcased with its nutrition label in focus, highlighting key ingredients and calorie information. | Generated by Google Gemini

Canned soups are convenient, but they are often loaded with sodium—sometimes containing over 800 mg per serving, which is more than one-third of the recommended daily limit for those with kidney concerns. Excessive sodium intake can disrupt the delicate balance of fluids in the body, leading to water retention, elevated blood pressure, and increased strain on the kidneys. According to the National Kidney Foundation, maintaining low sodium levels is crucial for kidney disease patients to help manage blood pressure and prevent further damage.

Compared to canned options, homemade soups offer significant advantages. By preparing soup at home, you can control the amount of salt and use fresh ingredients, minimizing preservatives and additives. Fresh herbs, spices, and low-sodium broths can enhance flavor without compromising kidney health. When purchasing canned soups, it’s vital to read labels carefully. Look for products labeled “low sodium” or “no added salt,” and aim for those with less than 140 mg of sodium per serving.

For more tips on choosing low-sodium foods, visit the CDC’s sodium reduction guide. Being proactive about sodium intake supports kidney health and helps maintain optimal fluid balance.

3. Pickled Foods

3. Pickled Foods
A colorful assortment of pickles and pickled vegetables glistens atop a bed of coarse salt, ready to savor. | Generated by Google Gemini

Pickled foods such as cucumbers, kimchi, sauerkraut, and olives are popular for their tangy flavors and long shelf life, but they are typically packed with high amounts of salt. The pickling process relies on brine, a solution of water and salt, to preserve and flavor vegetables. According to the National Kidney Foundation, these elevated sodium levels can pose a significant risk for individuals with kidney disease. Consuming excessive salt forces the kidneys to work harder to filter out the excess, which can lead to fluid retention, increased blood pressure, and further kidney strain.

In contrast, fresh vegetables contain very little sodium and are rich in essential nutrients, fiber, and antioxidants that support kidney health. Making the switch from pickled to fresh options allows for better management of sodium intake and offers greater flexibility in seasoning with herbs or spices. For those who enjoy pickled foods, portion control is key—try limiting servings to small amounts and balancing meals with plenty of fresh, raw, or lightly cooked vegetables.

For more practical guidance on reducing sodium in your diet, visit the American Heart Association’s sodium reduction tips. Moderation and awareness are essential for protecting kidney function.

4. Fast Food

4. Fast Food
A juicy burger stacked with fresh toppings sits beside a golden pile of crispy fries, ready to enjoy. | Generated by Google Gemini

Fast food is often a go-to choice for convenience, but its nutritional profile poses serious risks to kidney health. Meals from fast food restaurants are typically high in sodium, unhealthy fats, and chemical additives, all of which can accelerate kidney damage, especially in individuals with existing kidney issues. The National Kidney Foundation warns that excessive intake of these components can lead to elevated blood pressure, increased cholesterol levels, and greater strain on the kidneys as they attempt to filter out excess waste and maintain fluid balance.

In contrast, home-cooked meals offer more control over ingredients and portion sizes. By preparing dishes at home, you can use fresh, whole foods, limit salt and unhealthy fats, and avoid additives like phosphates and artificial flavorings commonly found in fast food. Swapping fried items for baked or grilled options, adding more vegetables, and using herbs instead of salt can make meals healthier for your kidneys.

For those who occasionally eat fast food, opt for grilled items, request no added salt, and choose water or unsweetened beverages. For more ideas on kidney-friendly meals, explore the National Kidney Foundation’s nutrition resources.

5. Frozen Dinners

5. Frozen Dinners
A frozen dinner in its packaging sits beside a microwave, with the nutrition label clearly visible on the box. | Generated by Google Gemini

Frozen dinners have become a staple for many due to their convenience, but they often come with a hidden cost to kidney health. These ready-made meals are typically high in sodium and frequently contain phosphate additives, which act as preservatives and flavor enhancers. According to the American Kidney Fund, excessive phosphate intake can lead to mineral and bone disorders, particularly in people with chronic kidney disease, while high sodium can drive up blood pressure and increase fluid retention.

Freshly cooked meals, on the other hand, provide greater control over the quality and quantity of ingredients. By preparing food at home, you can limit or completely avoid added sodium and phosphate additives, opting instead for fresh herbs, spices, and whole grains to flavor your dishes. This not only supports kidney health but also enhances the overall nutritional value of your meals.

When choosing frozen dinners, check the Nutrition Facts label for sodium content—ideally less than 600 mg per serving—and scan the ingredient list for words like “phosphate” or “phosphoric.” For more guidance, visit the National Kidney Foundation’s label reading guide to make kidney-friendly choices.

6. Potato Chips

6. Potato Chips
A tempting pile of golden potato chips sprinkled with just the right amount of salt, perfect for snacking. | Generated by Google Gemini

Potato chips are a popular snack, but their high salt and unhealthy fat content can be detrimental to kidney health when consumed regularly. A single serving of potato chips can contain up to 200 mg of sodium or more, as well as saturated and trans fats that contribute to cardiovascular strain—a major concern for those with compromised kidney function. According to the National Kidney Foundation, excess sodium intake forces the kidneys to work harder, potentially accelerating kidney damage, while unhealthy fats may exacerbate inflammation and increase the risk of heart disease, which often coexists with kidney disease.

Baked potato chips are sometimes marketed as a healthier alternative to traditional fried chips, as they typically contain less fat. However, many baked varieties still have high sodium levels and should be eaten in moderation. Home-prepared snacks like air-popped popcorn, unsalted rice cakes, or sliced vegetables with hummus offer satisfying crunch and flavor without the kidney-straining additives.

For more ideas on kidney-friendly snacking, check out the Kidney-Friendly Snacks guide from the National Kidney Foundation. Choosing snacks wisely can help protect your kidneys and improve your overall health.

7. Salted Nuts

7. Salted Nuts
A rustic bowl brimming with salted nuts offers a tempting, crunchy snack perfect for sharing or solo nibbling. | Generated by Google Gemini

Salted nuts are often seen as a nutritious snack, offering protein, healthy fats, and important minerals. However, their high sodium content can present a problem, particularly for individuals with kidney concerns. According to the National Kidney Foundation, excessive sodium from salted nuts contributes to fluid retention and elevated blood pressure, both of which put additional strain on the kidneys. Even small servings can contain hundreds of milligrams of sodium, which adds up quickly, especially when combined with sodium from other sources in the diet.

Unsalted nuts are a much healthier alternative, providing the same nutritional benefits without the kidney-taxing salt. Opting for raw or dry-roasted, unsalted versions helps keep sodium intake in check and supports overall kidney health. It’s also important to be mindful of portion sizes—nuts are calorie-dense, and a small handful (about 1 ounce) is usually enough to gain the health benefits while avoiding excess calories and minerals that may accumulate in the body.

For tips on incorporating nuts into a kidney-friendly diet, visit the DaVita Kidney Care guide to nuts and seeds. Smart snacking helps protect your kidneys and maintain your overall wellness.

8. Instant Noodles

8. Instant Noodles
A steaming cup of instant ramen noodles brimming with savory broth and topped with a sprinkle of green onions. | Generated by Google Gemini

Instant noodles are well-known for their convenience and low cost, but they are also notorious for containing extremely high levels of sodium and preservatives. A single serving can contain over 1,500 mg of sodium—far exceeding the recommended daily intake for those with kidney disease. The flavoring packets that accompany instant noodles are the primary source of this sodium, along with additives designed to enhance taste and prolong shelf life. According to the National Kidney Foundation, consuming such high amounts of sodium can cause fluid retention, spike blood pressure, and place significant stress on the kidneys.

In contrast, homemade noodle dishes offer the ability to control ingredients and seasoning. By preparing noodles from scratch or using plain, unsalted varieties, you can incorporate fresh vegetables, lean proteins, and herbs for flavor, drastically reducing sodium and chemical additives. If instant noodles are the only option, consider using only half the seasoning packet or skipping it altogether, and add your own low-sodium toppings like fresh vegetables or a squeeze of lemon for flavor.

For more information on making kidney-friendly swaps, visit the National Kidney Foundation’s cooking guide. Thoughtful choices can help reduce the burden on your kidneys and support better health.

9. Deli Meats

9. Deli Meats
A tempting selection of deli meats, including perfectly sliced ham, ready to be layered into a delicious sandwich. | Generated by Google Gemini

Deli meats such as turkey, ham, roast beef, salami, and bologna are widely used for their convenience and flavor, but they often contain high levels of sodium, nitrates, and phosphate additives. According to the National Kidney Foundation, these ingredients can be particularly harmful to kidney health. Sodium can cause fluid retention and raise blood pressure, while nitrates and phosphates are linked to increased risk of chronic kidney disease progression and cardiovascular complications, both of which are major concerns for those with impaired kidney function.

In addition to health risks, these additives are commonly used to enhance shelf life, color, and taste, making deli meats a far less kidney-friendly choice compared to fresh proteins. Opting for alternative sandwich fillings such as grilled chicken breast, turkey cooked at home, eggs, or even plant-based options like hummus or roasted vegetables can significantly reduce intake of kidney-straining ingredients. These substitutions provide high-quality protein and flavor, without the burden of excess sodium and chemicals.

For more on building healthy, kidney-friendly meals, visit the DaVita Kidney Care sandwich and wrap recipes. Making thoughtful choices about protein sources can have a positive impact on kidney health.

10. Restaurant Chinese Food

10. Restaurant Chinese Food
A steaming takeout box overflows with savory Chinese noodles, tossed with crisp vegetables and tender slices of meat. | Generated by Google Gemini

Restaurant Chinese food is beloved for its bold flavors but is often laden with hidden sodium and monosodium glutamate (MSG), both of which can be detrimental to kidney health. Common dishes such as General Tso’s chicken, fried rice, and lo mein can each contain more than 1,000 mg of sodium per serving, sometimes even surpassing the recommended daily limit for individuals with chronic kidney disease. MSG, a flavor enhancer widely used in Chinese cuisine, can further contribute to sodium intake and may cause adverse reactions in sensitive individuals, including headaches and water retention. According to the National Kidney Foundation, excess sodium can elevate blood pressure and stress the kidneys, hastening the progression of kidney disease.

To enjoy Chinese cuisine more safely, consider practical strategies such as asking for sauce on the side, choosing steamed rather than fried dishes, and requesting meals be prepared without MSG or added salt. Opt for entrees that are heavy on fresh vegetables and light on sauces, or try plain steamed rice with stir-fried vegetables and lean protein. For more tips on dining out with kidney disease, visit the DaVita Kidney Care dining guide.

11. Frozen Pizza

11. Frozen Pizza
A golden slice of frozen pizza is lifted from a ready-to-eat pie, highlighting the convenience of packaged foods. | Generated by Google Gemini

Frozen pizza is a popular convenience food, but it is often packed with sodium and phosphate additives that can be harmful to kidney health. A single serving may contain more than 700 mg of sodium, and most people eat more than one serving at a time. The processed cheese, cured meats, and pizza sauce used in these products frequently include phosphate preservatives to enhance flavor and shelf life. According to the National Kidney Foundation, excess phosphorus can cause mineral and bone disorders, particularly in those with chronic kidney disease, while high sodium intake can increase blood pressure and fluid retention, straining the kidneys.

Homemade pizza offers a kidney-friendly alternative by allowing control over every ingredient. Using a whole grain or cauliflower crust, low-sodium tomato sauce, fresh vegetables, and small amounts of fresh mozzarella can significantly reduce sodium and phosphate content. When buying frozen pizza, read the Nutrition Facts label and ingredient list carefully—look for “phosphate” or “phosphoric” in the ingredients and aim for options with less than 400 mg of sodium per serving.

For more information on making healthier pizza at home, visit the DaVita Kidney Care pizza recipes. Small changes can have a big impact on kidney health.

12. Canned Vegetables (with added salt)

12. Canned Vegetables (with added salt)
A can of green beans sits on a kitchen counter, its nutrition label clearly visible for healthy meal planning. | Generated by Google Gemini

Canned vegetables are a convenient way to add nutrition to meals, but those with added salt can pose significant risks to individuals with kidney concerns. Many canned vegetables contain hundreds of milligrams of sodium per serving, which can quickly exceed recommended daily limits. According to the National Kidney Foundation, excessive sodium intake contributes to fluid retention and high blood pressure, both of which can strain compromised kidneys and accelerate the progression of kidney disease.

For kidney health, it is best to opt for canned vegetables labeled “no salt added” or “low sodium.” These products are widely available and can dramatically reduce sodium intake without sacrificing convenience. If only regular canned vegetables are available, draining and thoroughly rinsing them under cold water can remove up to 40% of the sodium content, making them a safer choice. Whenever possible, choosing fresh or frozen vegetables without added sauces or seasonings is the healthiest alternative.

For more information on reducing sodium in your diet and identifying kidney-friendly foods, visit the CDC’s sodium reduction tips. Careful label reading and preparation methods help protect kidney function for the long term.

13. Sports Drinks

13. Sports Drinks
A vibrant sports drink bottle sits on a gym bench, ready to provide a burst of hydration after a workout. | Generated by Google Gemini

Sports drinks are marketed as a quick way to replenish electrolytes lost during intense physical activity, but their high sodium and potassium content can be risky for individuals with kidney concerns. Many popular brands contain over 200 mg of sodium and upwards of 50 mg of potassium per serving. According to the National Kidney Foundation, people with compromised kidney function often struggle to excrete excess sodium and potassium, putting them at risk for fluid overload, high blood pressure, and dangerous heart rhythms.

For most individuals, especially those with kidney disease or at risk for it, water is the safest and most effective way to stay hydrated. In situations where electrolyte replacement is truly needed, a homemade solution with controlled amounts of salt and sugar—or commercial products specifically labeled as low in sodium and potassium—may be considered, but always under medical supervision. Reading labels is crucial, as many sports drinks contain hidden additives and sweeteners that can further burden the kidneys.

For more guidance on hydration and safer alternatives, visit the National Kidney Foundation’s page on water and kidney health. Smart hydration choices make a critical difference for kidney health.

14. Energy Drinks

14. Energy Drinks
A sleek energy drink can stands upright, promising a refreshing burst of flavor and a powerful caffeine boost. | Generated by Google Gemini

Energy drinks are widely consumed for their quick, stimulating effects, but they pose significant risks for kidney health due to their high caffeine, sugar, and additive content. A single can may contain up to 300 mg of caffeine—far more than most sodas or coffees—along with large amounts of sugar and artificial stimulants. According to the National Kidney Foundation, excessive caffeine can raise blood pressure and heart rate, increasing the kidneys’ workload. High sugar intake can also contribute to obesity and diabetes, two leading causes of chronic kidney disease.

In addition to caffeine and sugar, many energy drinks include artificial colors, preservatives, and herbal stimulants that may further stress the kidneys and the cardiovascular system. For those with or at risk for kidney disease, these beverages can accelerate kidney damage and are best avoided. Healthier alternatives include herbal teas, infused water, or decaffeinated beverages, which provide hydration and gentle stimulation without the heavy burden of additives and stimulants.

For more insight on the impact of energy drinks on kidney health, visit the National Institutes of Health’s review on energy drinks and the kidney. Choosing safer beverages supports both kidney and overall wellness.

15. Cola Beverages

15. Cola Beverages
A chilled can of cola sits on a table, beads of condensation highlighting the refreshing promise of this classic soft drink. | Generated by Google Gemini

Cola drinks are a common beverage choice, but they contain phosphoric acid—a compound linked to an increased risk of developing kidney stones and worsening kidney health. According to the National Kidney Foundation, high phosphate intake, particularly from additives like those found in cola, can disrupt the balance of minerals in the body. This imbalance may lead to the formation of kidney stones and, over time, contribute to the decline of kidney function.

Unlike clear sodas, which typically do not contain phosphoric acid, cola beverages deliver a double dose of risk: high sugar content and phosphate additives. Excessive consumption of sugar is also associated with obesity and diabetes, both major risk factors for kidney disease. While clear sodas may be less problematic regarding phosphate, they are still best consumed in moderation due to their sugar content and lack of nutritional value.

For those concerned about kidney health, limiting or avoiding cola beverages is a wise choice. Instead, opt for water, herbal teas, or naturally flavored sparkling waters. For more information on the impact of soda and phosphate additives, visit the National Institutes of Health’s overview on soft drinks and kidney health.

16. Artificial Sweeteners

16. Artificial Sweeteners
A colorful assortment of sweetener packets, including popular sugar substitutes, neatly arranged in a small tabletop container. | Generated by Google Gemini

Artificial sweeteners such as aspartame, saccharin, and sucralose are often marketed as healthier alternatives to sugar, especially for those managing diabetes or calorie intake. However, emerging research suggests a possible link between frequent consumption of artificial sweeteners and reduced kidney function. A study published in the Clinical Journal of the American Society of Nephrology found that women who consumed two or more artificially sweetened beverages per day experienced a greater decline in kidney function over time compared to those who did not. While the evidence is still debated and more research is needed, caution is advised for individuals with existing kidney concerns.

Natural sweeteners such as honey, maple syrup, or agave nectar can be used in moderation and may provide a more kidney-friendly alternative, although they still contribute calories and should not be overused. Reducing the overall intake of both artificial and natural sweeteners is the healthiest approach—try enhancing foods with spices like cinnamon or vanilla, or gradually adjusting your palate to enjoy less-sweet flavors.

For more information on sweeteners and kidney health, visit the National Kidney Foundation’s guide to artificial sweeteners. Thoughtful choices can help protect your kidneys and overall health.

17. High-Sugar Breakfast Cereals

17. High-Sugar Breakfast Cereals
A colorful bowl of breakfast cereal sits beside its box, with the nutrition label clearly visible in the background. | Generated by Google Gemini

Many popular breakfast cereals are packed with added sugars, sometimes containing more than 12 grams per serving. This excess sugar intake is particularly concerning because it can contribute to obesity and type 2 diabetes—one of the leading causes of chronic kidney disease worldwide. According to the National Kidney Foundation, maintaining healthy blood sugar levels is crucial in protecting kidney function and preventing or slowing the progression of kidney disease.

When comparing cereals, the differences in sugar content can be dramatic. While some sugary brands may have 10-15 grams of sugar per serving, unsweetened or minimally sweetened options often contain less than 2 grams. Choosing cereals made with whole grains, high fiber, and little or no added sugar is a far better choice for kidney health. Look for terms like “unsweetened,” “no added sugar,” or check the Nutrition Facts label to find cereals with less than 5 grams of sugar per serving.

Enhance low-sugar cereals with fresh fruit, cinnamon, or a small amount of natural sweetener if needed. For more tips on choosing kidney-friendly grains, visit the DaVita Kidney Care guide to grains.

18. White Bread

18. White Bread
A freshly made sandwich sits beside a sliced loaf of soft white bread, ready for a delicious lunch. | Generated by Google Gemini

White bread, made from refined grains, is stripped of much of its fiber and nutrients during processing. This lack of fiber means white bread is digested quickly, leading to rapid spikes in blood sugar. According to the National Kidney Foundation, frequent blood sugar spikes can contribute to insulin resistance and the development or worsening of diabetes—a primary cause of chronic kidney disease. Additionally, some white breads may contain added sodium and phosphate preservatives, further increasing the burden on already compromised kidneys.

Whole grain breads, in contrast, retain their natural fiber, vitamins, and minerals, resulting in a slower, more stable rise in blood sugar. Consuming whole grains has been linked to better blood sugar control and a reduced risk of kidney disease progression. When choosing bread, look for “100% whole grain” or “whole wheat” as the first ingredient, and check labels for lower sodium and phosphate content. Limiting portion sizes and pairing bread with protein or healthy fat can also help minimize blood sugar spikes.

For more guidance on selecting grains that support kidney health, visit the DaVita Kidney Care grains guide. Small swaps can make a meaningful difference for your kidneys.

19. Muffins and Pastries

19. Muffins and Pastries
A tempting assortment of golden muffins and flaky pastries sits on display at a bustling neighborhood bakery. | Generated by Google Gemini

Muffins, pastries, and other baked goods are often loaded with sugar, unhealthy fats, and refined flours. These ingredients contribute to rapid spikes in blood sugar and increase the risk of obesity and type 2 diabetes, both of which are major risk factors for kidney disease. According to the National Kidney Foundation, consistently high intake of sugary and fatty foods can accelerate kidney damage, particularly in those already at risk.

In addition to their high sugar content, most commercial muffins and pastries are made with saturated fats and sometimes trans fats, which can negatively impact cardiovascular health—a concern since heart and kidney diseases often go hand in hand. Portion control is crucial; enjoying a small treat occasionally is less harmful than making pastries a regular part of your diet. For a healthier alternative, try baking at home using whole grain flours, reducing sugar, and substituting oils like olive or canola for butter. Adding fresh fruit or nuts can boost flavor and nutritional value without overloading on sugar and fat.

For kidney-friendly baking ideas, explore the DaVita Kidney Care dessert recipes. Thoughtful choices can help protect both kidney and heart health.

20. Cheese

20. Cheese
A perfectly cut cheese slice rests atop a block of creamy dairy cheese, highlighting its smooth, rich texture. | Generated by Google Gemini

Cheese, while a flavorful and versatile food, is often high in both sodium and phosphorus—two nutrients that can pose significant risks for individuals with compromised kidney function. Many varieties, such as processed American cheese, cheddar, and parmesan, contain more than 200 mg of sodium and substantial amounts of phosphorus per ounce. According to the National Kidney Foundation, excessive intake of these minerals can lead to fluid retention, elevated blood pressure, and disturbances in bone and mineral metabolism, all of which accelerate the progression of chronic kidney disease.

The cumulative effect of consuming cheese regularly can be particularly problematic, as sodium and phosphorus are also found in many other common foods. For those with kidney disease or at risk, it’s wise to limit cheese intake and opt for lower-sodium varieties such as ricotta, cream cheese, or Swiss cheese, which tend to have less salt and phosphorus. Portion control is equally important; keep servings small—ideally one ounce or less at a time—to minimize kidney strain.

For additional guidance on managing phosphorus and sodium in your diet, visit the DaVita Kidney Care phosphorus guide. Making mindful choices helps protect kidney health in the long term.

21. Pre-Made Salad Dressings

21. Pre-Made Salad Dressings
A glass bottle of creamy salad dressing sits beside a colorful bowl of fresh greens and vibrant vegetables. | Generated by Google Gemini

Pre-made salad dressings are convenient, but they often harbor high levels of hidden sodium and sugar that can negatively impact kidney health. A single serving of bottled dressing can contain upwards of 300 mg of sodium and several grams of added sugar, even in seemingly healthy varieties like vinaigrettes or light dressings. According to the National Kidney Foundation, excessive sodium intake can contribute to fluid retention and high blood pressure, increasing the burden on the kidneys, while added sugars can promote weight gain and metabolic issues.

Homemade salad dressings offer a kidney-friendly alternative by allowing you to control the ingredients and avoid unnecessary additives. Simple combinations of olive oil, vinegar or lemon juice, fresh herbs, and spices can add flavor without excess sodium or sugar. When purchasing bottled dressings, it’s important to carefully read the nutrition label—choose options with less than 140 mg of sodium per serving and minimal added sugar. Also, check the ingredient list for terms like “high-fructose corn syrup” or “monosodium glutamate,” which may further contribute to kidney strain.

For more tips on preparing healthy, kidney-friendly salads and dressings, visit the DaVita Kidney Care salad recipes. Small changes in condiments can make a big difference for kidney wellness.

22. Pickled Fish

22. Pickled Fish
A glass jar filled with pickled herring, showcasing tender fish fillets immersed in a tangy brine. | Generated by Google Gemini

Pickled fish products, such as pickled herring or sardines, are traditional delicacies in many cultures, but they tend to be high in both salt and sometimes sugar. The pickling process relies on a brine that can contain large amounts of sodium—often exceeding 400 mg per serving—which poses a particular risk for those with kidney concerns. According to the National Kidney Foundation, excess sodium can lead to fluid retention, high blood pressure, and increased strain on the kidneys. In some recipes, sugar is also added to balance the intense flavor, further complicating matters for those needing strict dietary control.

For individuals with compromised kidney function, choosing fresh or grilled fish is a much healthier alternative. These options allow for better management of sodium and sugar intake, while still providing high-quality protein and omega-3 fatty acids that support heart and kidney health. Seasoning fresh fish with herbs, lemon, or spices instead of salt can enhance flavor without putting extra stress on the kidneys.

For more insights on making kidney-friendly seafood choices, visit the DaVita Kidney Care seafood guide. Simple swaps can make a significant difference in protecting kidney health.

23. Salt Substitutes (with potassium chloride)

23. Salt Substitutes (with potassium chloride)
A vibrant mix of spices sits beside a classic salt shaker, offering flavorful alternatives to traditional salt. | Generated by Google Gemini

Salt substitutes made with potassium chloride are often marketed as a healthier alternative to regular table salt, but they can pose serious risks for individuals with kidney disease. People with compromised kidney function are often unable to effectively remove excess potassium from their blood, leading to a dangerous condition known as hyperkalemia. According to the National Kidney Foundation, elevated potassium levels can cause muscle weakness, irregular heart rhythms, and even cardiac arrest.

It’s crucial for kidney patients and those at risk to read labels carefully, as many salt substitutes list potassium chloride as their primary ingredient. Instead of using these products, flavor foods with fresh or dried herbs, spices, garlic, lemon juice, or vinegar. These alternatives add zest and complexity without contributing to sodium or potassium overload, making them safe and kidney-friendly choices.

For more guidance on seasoning foods in a kidney-conscious way, visit the DaVita Kidney Care guide to herbs and spices. Thoughtful flavoring swaps not only protect kidney health but also enhance the enjoyment of meals.

24. Table Salt

24. Table Salt
A classic glass salt shaker spills fine grains of table salt across a smooth wooden surface, ready to season any dish. | Generated by Google Gemini

Table salt is a major contributor to sodium intake, and excessive use is directly linked to high blood pressure—a leading risk factor for kidney disease. According to the National Kidney Foundation, high sodium levels force the kidneys to retain more water, increasing blood volume and raising blood pressure. Over time, this chronic strain can damage the delicate blood vessels in the kidneys, impairing their ability to filter waste and regulate fluid balance effectively.

Reducing daily salt use is a crucial step in protecting kidney health. Start by removing the salt shaker from the table and tasting food before adding additional salt. Cook more meals at home to control sodium content, and experiment with flavor-enhancing ingredients such as fresh herbs, lemon juice, garlic, pepper, and vinegar. Choose fresh or frozen vegetables over canned varieties, and opt for “no salt added” or “low sodium” products whenever possible. Reading nutrition labels and being mindful of the sodium content in sauces, condiments, and packaged foods can also make a significant difference.

For more practical advice on lowering sodium for kidney health, visit the CDC’s sodium reduction tips. Small adjustments can lead to major long-term benefits.

25. Bouillon Cubes

25. Bouillon Cubes
A stack of golden bouillon cubes in shiny foil packaging, ready to add rich flavor to your next soup. | Generated by Google Gemini

Bouillon cubes are commonly used to add rich flavor to soups, stews, and gravies, but they are packed with sodium and a variety of additives that can be harmful to kidney health. A single cube can contain over 1,000 mg of sodium—nearly half the daily recommended maximum for most adults, and far more than advisable for people with kidney concerns. In addition to salt, bouillon cubes often contain monosodium glutamate (MSG), artificial colors, and preservatives, which can further increase the burden on compromised kidneys. According to the National Kidney Foundation, excessive sodium intake is a key driver of high blood pressure and kidney damage.

Homemade broths are a far healthier alternative, allowing full control over sodium and ingredient quality. Simmering fresh vegetables, herbs, and lean meats imparts natural flavor without relying on concentrated additives or salt. If you need more flavor in your dishes, try seasoning with garlic, onion, pepper, bay leaves, or a squeeze of lemon. These natural ingredients can enhance taste while supporting kidney health.

For more ideas on making kidney-friendly broths and seasoning swaps, visit the DaVita Kidney Care guide to herbs and spices. Simple changes can help protect your kidneys in the long run.

26. Smoked Fish

26. Smoked Fish
Tender fillets of smoked salmon are artfully arranged on a rustic board, showcasing their rich color and delicate texture. | Generated by Google Gemini

Smoked fish, such as smoked salmon, trout, or mackerel, is prized for its rich flavor and texture, but the smoking process typically involves curing the fish with large amounts of salt. This sodium is used both to preserve the fish and to enhance its taste, resulting in sodium levels that can exceed 600 mg per serving. According to the National Kidney Foundation, such high sodium intake is problematic for individuals with kidney disease, as it can lead to fluid retention, high blood pressure, and increased kidney workload.

Fresh fish, on the other hand, is naturally low in sodium and can be prepared using herbs, citrus, and spices for flavor without the need for added salt. Grilling, baking, or steaming fresh fish preserves its nutritional value and supports kidney health. If you wish to occasionally indulge in smoked fish, keep portions small and balance your meal with plenty of fresh vegetables and low-sodium sides. Be mindful of your total daily sodium intake, especially if other foods in your diet are already salty.

For more information on choosing seafood wisely for kidney health, visit the DaVita Kidney Care seafood guide. Moderation and smart choices can help you enjoy variety while protecting your kidneys.

27. Bacon

27. Bacon
Crispy strips of perfectly cooked bacon rest alongside classic breakfast favorites on a hearty morning plate. | Generated by Google Gemini

Bacon is a beloved breakfast staple, but it poses significant risks for kidney health due to its high sodium, nitrate, and saturated fat content. A single slice of bacon can contain up to 200 mg of sodium, and it is often consumed in multiple slices per meal. Sodium, combined with chemical preservatives like nitrates and nitrites, can elevate blood pressure and increase the risk of chronic kidney disease progression. According to the National Kidney Foundation, these additives not only stress the kidneys but may also raise the risk of cardiovascular complications, which are common among kidney patients.

Bacon is also high in saturated fat, contributing to increased cholesterol levels and further burdening both heart and kidney health. For a healthier breakfast, consider leaner proteins such as poached eggs, grilled chicken breast, or turkey bacon with lower sodium and fat. Plant-based options like tofu or vegetarian sausage can also provide satisfying protein without the kidney-straining ingredients found in traditional bacon.

To learn more about choosing better breakfast foods for kidney health, visit the DaVita Kidney Care breakfast recipes. Making informed swaps can help protect your kidneys and overall well-being.

28. Sausages

28. Sausages
A sizzling assortment of grilled sausages and savory meat links arranged on a rustic wooden platter, ready to enjoy. | Generated by Google Gemini

Sausages are flavorful and versatile, but most commercial varieties are highly processed and packed with additives that can be detrimental to kidney health. They often contain large amounts of sodium, phosphates, and nitrates, which are used to preserve the meat and enhance taste. According to the National Kidney Foundation, these ingredients can raise blood pressure, promote fluid retention, and increase the risk of cardiovascular issues, all of which are especially concerning for those with compromised kidney function. The high saturated fat content in many sausages further adds to the risk by raising cholesterol and contributing to heart disease.

For a healthier alternative, consider making homemade sausages using lean ground turkey, chicken, or plant-based proteins. By seasoning with fresh herbs, garlic, and spices, you can achieve robust flavor without relying on excessive salt or chemical preservatives. Homemade options allow for complete control over ingredients and can be tailored to fit a kidney-friendly diet. If you choose to eat sausage occasionally, keep portion sizes small and balance your meal with plenty of fresh vegetables and whole grains.

For more inspiration on preparing healthy, kidney-friendly proteins, visit the DaVita Kidney Care chicken recipes. Homemade solutions help minimize risk and maximize nutrition.

29. Granola Bars

29. Granola Bars
A hearty granola bar packed with wholesome oats sits ready to enjoy as a delicious, energizing snack. | Generated by Google Gemini

Commercial granola bars are often marketed as healthy snacks, but many varieties contain substantial amounts of added sugar and sodium. Some bars have up to 15 grams of sugar and 200 mg of sodium per serving, which can contribute to blood sugar spikes, weight gain, and increased blood pressure. According to the National Kidney Foundation, these factors are particularly concerning for those with kidney disease, as high sugar can worsen diabetes and elevated sodium can strain the kidneys.

DIY granola bars offer a healthier alternative, allowing you to control the ingredients and avoid unnecessary additives. By making bars at home with whole grains, unsweetened dried fruits, nuts, seeds, and a touch of natural sweetener like honey or maple syrup, you can create a snack that’s lower in sugar and sodium. When buying commercial bars, look for those with less than 5 grams of sugar and under 100 mg of sodium per serving, and avoid products with high-fructose corn syrup, artificial sweeteners, or long ingredient lists.

For more ideas on kidney-friendly snacks and recipes, visit the DaVita Kidney Care snacks recipes. Smart snacking can help support long-term kidney and overall health.

30. Ready-Made Gravy

30. Ready-Made Gravy
A classic white gravy boat filled with rich, steaming gravy sits beside a packet of convenient packaged gravy mix. | Generated by Google Gemini

Ready-made gravies, whether jarred or powdered, often contain high levels of sodium and unhealthy fats, making them a poor choice for those concerned with kidney health. A single serving can contain over 300 mg of sodium, and multiple servings are often consumed in one meal. Many commercial gravies also include saturated fats and preservatives that can further strain the kidneys and contribute to cardiovascular risk. According to the National Kidney Foundation, consistently high sodium intake is linked to fluid retention and increased blood pressure, both of which accelerate kidney damage.

Homemade gravies are a much healthier alternative, as they allow for complete control over sodium and fat content. Use unsalted broths, lean pan drippings, and thicken with flour or cornstarch rather than relying on processed mixes. For added flavor, incorporate fresh herbs, garlic, and a splash of lemon juice instead of salt. If you must use store-bought gravy, look for products labeled “low sodium” and check the nutrition label for both sodium and fat content.

For more tips on creating kidney-friendly sauces and gravies, visit the DaVita Kidney Care sauces and dips recipes. Preparing your own sauces supports both kidney and overall health.

31. Crackers

31. Crackers
A tempting spread of golden snack crackers paired with creamy slices of cheese, perfect for a savory bite. | Generated by Google Gemini

Crackers are a convenient and popular snack, but many commercial brands are surprisingly high in sodium. A single serving can contain 150-250 mg or more, and it’s easy to consume multiple servings in one sitting, especially when snacking mindlessly. Consistently high sodium intake is a known risk factor for high blood pressure and kidney disease progression, as highlighted by the National Kidney Foundation. Excess sodium can also contribute to fluid retention and cardiovascular strain, making portion control and careful selection important for those with kidney concerns.

To make crackers a safer snack, look for brands labeled “low sodium” (containing 140 mg or less per serving) and check ingredient lists for added salt and preservatives. Whole grain or seed-based crackers may offer more fiber and nutrients, but still require sodium scrutiny. Pairing crackers with fresh vegetables, unsalted nut butters, or kidney-friendly dips can help control portions and add nutritional value. Consider making your own crackers at home, using minimal salt and whole ingredients, for maximum control over what you eat.

For more ideas on kidney-friendly snacks and homemade recipes, visit the DaVita Kidney Care snacks recipes. Smart snack choices can make a meaningful difference for kidney health.

32. Pretzels

32. Pretzels
Golden, twisted pretzels sprinkled with coarse salt create a tempting snack perfect for any salty craving. | Generated by Google Gemini

Pretzels are a classic salty snack, but their high sodium content and refined flour base can be problematic for kidney health. A typical serving of pretzels can contain 300-400 mg of sodium, largely from the coarse salt sprinkled on top. According to the National Kidney Foundation, excessive sodium intake increases the risk of high blood pressure and kidney strain, especially when combined with other salty foods throughout the day.

In addition to their saltiness, pretzels are made primarily from white, refined flour, which has a high glycemic index. This means they can cause rapid spikes in blood sugar, a concern for people with diabetes or those at risk for kidney disease. Whole grain snacks, such as air-popped popcorn, whole wheat crackers, or roasted chickpeas, offer more fiber and nutrients while typically containing less sodium and having a gentler effect on blood sugar.

For a healthier approach, choose unsalted or lightly salted pretzel varieties, and always check the nutrition label for sodium content. For more ideas on kidney-friendly snack alternatives, visit the DaVita Kidney Care snack recipes. Opting for whole grain, low-sodium snacks helps support long-term kidney wellness.

33. Restaurant Fried Foods

33. Restaurant Fried Foods
Crispy golden french fries and juicy pieces of fried chicken are piled high for the ultimate comfort food feast. | Generated by Google Gemini

Fried foods from restaurants, such as French fries, fried chicken, and onion rings, are often loaded with trans fats and sodium—two components that can significantly harm kidney health. Trans fats, commonly found in partially hydrogenated oils used for deep frying, can raise bad cholesterol (LDL) and lower good cholesterol (HDL), increasing the risk of heart disease, which is closely linked to kidney disease. According to the National Kidney Foundation, the sodium content in restaurant fried foods is also alarmingly high, often exceeding 500 mg per serving and contributing to high blood pressure and fluid retention.

Baked, grilled, or roasted alternatives provide similar satisfaction with far lower levels of unhealthy fats and sodium. By choosing these options, you can still enjoy your favorite foods while reducing harm to your kidneys. When eating out, consider splitting fried dishes with others, choosing a side salad or fruit instead of fries, and asking for no added salt. Limiting frequency and portion size is key to minimizing risk.

For more ideas on healthier alternatives when dining out, visit the DaVita Kidney Care dining guide. Smart choices and moderation can protect your kidneys and overall well-being.

34. Processed Cheese Spreads

34. Processed Cheese Spreads
A creamy processed cheese spread is served in a bowl, perfect as a savory snack dip with crackers. | Generated by Google Gemini

Processed cheese spreads are convenient and creamy, but they often contain high amounts of sodium and a host of preservatives that can be harmful for kidney health. A small serving can deliver more than 400 mg of sodium, and common additives include phosphates and artificial flavorings to enhance shelf life and taste. According to the National Kidney Foundation, excessive sodium and phosphate intake can contribute to elevated blood pressure, fluid retention, and mineral imbalances, all of which put extra strain on the kidneys.

Natural cheeses, such as Swiss or ricotta, generally contain fewer preservatives and, when chosen in low-sodium varieties, can be a safer choice for those managing their kidney health. Even with natural cheeses, it’s important to practice portion control and check nutrition labels for sodium and phosphate content. Alternatively, spread avocado, hummus, or low-sodium cottage cheese on bread or crackers for a creamy texture without the added burden of high sodium and preservatives.

To explore more kidney-friendly spreads and snack ideas, visit the DaVita Kidney Care snacks recipes. Choosing minimally processed foods helps reduce the risk of kidney damage and supports better long-term health.

35. Flavored Rice Mixes

35. Flavored Rice Mixes
A variety of packaged rice mixes arranged neatly, offering convenient and flavorful options for a quick rice side dish. | Generated by Google Gemini

Boxed flavored rice mixes, such as those with added seasonings or sauces, are popular for their convenience but often contain high levels of sodium and various additives. A single serving can have over 800 mg of sodium and is frequently loaded with artificial flavors, preservatives, and sometimes phosphate additives, all of which add to the burden on the kidneys. According to the National Kidney Foundation, excessive sodium intake can cause fluid retention and high blood pressure, while phosphate additives can disrupt mineral balance and harm bone health in those with kidney issues.

Homemade rice dishes are a much healthier alternative. By using plain white or brown rice and adding your own herbs, spices, and fresh vegetables, you can create delicious meals without the hidden sodium and chemicals. Try flavoring rice with garlic, onion, lemon zest, or a sprinkle of fresh parsley for a kidney-friendly side. Not only does this approach reduce sodium, but it also allows you to customize flavors and boost nutritional value with wholesome ingredients.

For more ideas on kidney-friendly rice recipes, visit the DaVita Kidney Care rice recipes. Cooking from scratch helps protect kidney health and promotes better overall wellness.

36. Cured Meats (Salami, Prosciutto)

36. Cured Meats (Salami, Prosciutto)
A tempting assortment of salami, prosciutto, and other cured meats artfully arranged on a rustic wooden board. | Generated by Google Gemini

Cured meats like salami and prosciutto are celebrated for their intense flavor and rich texture, but they are typically packed with salt and preservatives that can be harmful to kidney health. These meats are preserved through salting, smoking, or the addition of nitrates and nitrites, leading to sodium levels that often exceed 500 mg per ounce. According to the National Kidney Foundation, this high sodium intake, combined with chemical preservatives, increases the risk of high blood pressure, fluid retention, and progression of kidney disease.

For special occasions, consider limiting your portion to a small amount of cured meat and pairing it with plenty of fresh vegetables, fruits, or whole grain crackers to offset the sodium load. Look for lower-sodium versions if available, and avoid combining multiple salty foods in one meal. When possible, opt for lean, fresh-cooked meats or plant-based proteins as regular choices, which provide essential nutrients without the kidney-straining additives.

To discover more kidney-friendly protein ideas and alternatives to cured meats, visit the DaVita Kidney Care chicken recipes. Making mindful choices about processed meats can help safeguard your kidney health for the long term.

37. Flavored Instant Oatmeal

37. Flavored Instant Oatmeal
A steaming bowl of instant oatmeal sits beside an opened oatmeal packet, ready for a quick and cozy breakfast. | Generated by Google Gemini

Flavored instant oatmeal packets are a convenient breakfast option, but they often contain high amounts of added sugar and sodium. A single packet can have up to 12 grams of sugar and 250 mg of sodium, which, when consumed regularly, can contribute to weight gain, blood sugar spikes, and elevated blood pressure. According to the National Kidney Foundation, these factors are of particular concern for those with or at risk for kidney disease, as both diabetes and hypertension are leading causes of kidney damage.

In contrast, plain oatmeal is naturally low in sodium and added sugars, and provides a hearty source of fiber that supports stable blood sugar and heart health. By preparing plain oats and topping them with fresh fruit, a sprinkle of cinnamon, or a small amount of honey, you can enjoy a flavorful and kidney-friendly meal. This approach allows you to control the amount of added sweetness and entirely avoid excessive sodium.

For more ideas on kidney-friendly breakfast options, visit the DaVita Kidney Care breakfast recipes. Choosing whole, unprocessed grains is a simple way to support kidney and overall wellness.

38. Bottled Tomato Sauces

38. Bottled Tomato Sauces
A rustic jar of rich tomato pasta sauce sits on a wooden table, surrounded by fresh basil and ripe tomatoes. | Generated by Google Gemini

Bottled tomato and pasta sauces are pantry staples, but they often come with surprisingly high levels of added salt and sugar. Many commercial sauces contain over 400 mg of sodium and 6-10 grams of sugar per half-cup serving, which can quickly add up, especially when paired with other salty foods in a meal. According to the National Kidney Foundation, too much sodium increases fluid retention and blood pressure, both of which can accelerate kidney damage, while excess sugar can contribute to obesity and diabetes—major risk factors for chronic kidney disease.

To make a healthier choice, always read nutrition labels and select sauces labeled “no salt added” or “low sodium” and with minimal added sugars. Alternatively, making your own tomato sauce from scratch allows you to control both salt and sugar. Start with fresh or no-salt-added canned tomatoes, and flavor with garlic, onions, herbs, and a splash of olive oil for a rich, kidney-friendly sauce.

For more tips and recipes for kidney-safe sauces and meals, visit the DaVita Kidney Care sauces and dips recipes. Homemade options empower you to protect your kidneys while enjoying delicious meals.

39. Corned Beef

39. Corned Beef
Sliced corned beef brisket piled high, showcasing tender, flavorful deli meat perfect for sandwiches or snacking. | Generated by Google Gemini

Corned beef is a salt-cured meat that’s beloved in many traditional dishes, but its high sodium content makes it risky for kidney health. The curing process involves soaking the beef in a brine, often with sodium nitrite and other preservatives, resulting in sodium levels that can exceed 800 mg per 3-ounce serving. According to the National Kidney Foundation, diets high in sodium can lead to fluid retention, elevated blood pressure, and accelerated kidney damage—especially for those already dealing with kidney concerns.

In addition to sodium, corned beef may contain added phosphates and saturated fat, further increasing the strain on the kidneys and cardiovascular system. As a healthier alternative, choose lean roasted meats such as roast beef, turkey, or chicken prepared at home with minimal salt and no preservatives. Season these meats with herbs, spices, or a squeeze of lemon for flavor without the kidney-taxing additives.

For more information and ideas for kidney-friendly protein choices, visit the DaVita Kidney Care beef recipes. Opting for fresh, minimally processed meats can make a meaningful difference in supporting kidney health and overall wellness.

40. French Fries

40. French Fries
A golden heap of crispy French fries spills out of a paper cup, ready to enjoy with your favorite fast food meal. | Generated by Google Gemini

French fries are a favorite side dish, but their high salt and fat content can be especially problematic for kidney health. A typical restaurant serving can contain over 300 mg of sodium and significant amounts of unhealthy saturated and trans fats due to deep frying. According to the National Kidney Foundation, this combination can raise blood pressure, contribute to fluid retention, and increase the risk of cardiovascular complications—all of which place added strain on the kidneys. Large portion sizes, common in many restaurants, further exacerbate these risks by encouraging overconsumption of both sodium and calories.

For a healthier alternative, try preparing potatoes at home by baking or air-frying them with a light drizzle of olive oil and your favorite herbs or spices. Avoid adding excess salt and instead use flavor boosters like garlic powder, paprika, or rosemary. Opt for smaller portion sizes and pair potatoes with fresh vegetables or a lean protein for a balanced, kidney-friendly meal.

For more tips on preparing kidney-safe side dishes, visit the DaVita Kidney Care vegetable recipes. Smart preparation and portion choices help protect your kidneys while still enjoying comforting foods.

41. Restaurant Pizza

41. Restaurant Pizza
A piping hot pizza fresh from the restaurant oven, with a cheesy slice being lifted to reveal gooey toppings. | Generated by Google Gemini

Restaurant pizza is a beloved comfort food, but it is often loaded with sodium, additives, and preservatives that can be particularly challenging for those with kidney concerns. The combination of salty crusts, processed meats like pepperoni or sausage, and generous amounts of cheese can result in a single slice containing over 600 mg of sodium. According to the National Kidney Foundation, excessive sodium intake is linked to increased blood pressure and fluid retention, both of which accelerate kidney damage. Additionally, many pizzas feature phosphate additives in cheese and meat toppings that further strain kidney function.

To enjoy pizza while minimizing the risks, consider customizing your order. Request a thin, whole-wheat crust to reduce sodium and increase fiber, ask for half the usual amount of cheese, and opt for vegetable toppings instead of processed meats. Some restaurants may also offer lower-sodium sauce options or allow you to skip the sauce entirely. If possible, ask for your pizza to be made without added salt or MSG.

For more kidney-friendly pizza ideas and recipes, visit the DaVita Kidney Care pizza recipes. Making smart choices when dining out can help protect your kidneys while still enjoying your favorite meals.

42. Sweetened Yogurt

42. Sweetened Yogurt
Creamy sweetened yogurt swirled with vibrant fruit creates a colorful and tempting treat in a glass bowl. | Generated by Google Gemini

Sweetened and flavored yogurts are widely available and often marketed as healthy choices, but many contain substantial amounts of added sugar—sometimes more than 15 grams per serving. Consuming excess sugar on a regular basis can lead to spikes in blood glucose levels, increasing the risk of obesity and type 2 diabetes, both of which are leading causes of kidney disease. According to the National Kidney Foundation, maintaining stable blood sugar levels is crucial for protecting kidney health and preventing the progression of chronic kidney disease.

Instead of opting for sweetened varieties, choose plain yogurt, which is naturally low in sugar and provides beneficial probiotics, protein, and calcium. You can add natural sweetness and extra nutrients by mixing in fresh fruit such as berries, peaches, or a few slices of banana. For additional flavor, try a sprinkle of cinnamon or a drizzle of honey, but keep added sugars to a minimum.

For more tips on incorporating dairy and yogurt into a kidney-friendly diet, visit the DaVita Kidney Care dairy guide. Making the switch to plain yogurt with fresh fruit supports both kidney and overall health.

43. Bottled Iced Tea

43. Bottled Iced Tea
A row of chilled bottled iced teas glistens with condensation, inviting you to enjoy a refreshing cold drink. | Generated by Google Gemini

Bottled iced tea is a popular beverage, but many commercial varieties are loaded with added sugars and, in some cases, phosphoric acid—an additive also found in colas that can contribute to kidney stone formation. A single bottle can contain over 20 grams of sugar, which can lead to weight gain, spikes in blood sugar, and increased risk of diabetes—all major contributors to declining kidney function. According to the National Kidney Foundation, managing sugar intake is essential for preventing both diabetes and kidney disease.

Phosphoric acid, found in some bottled teas, has been linked to an elevated risk of kidney stones and mineral imbalance. It’s important to read ingredient labels carefully, as these additives are not always obvious. Homemade iced tea is a much healthier choice, as you can control both the type and amount of sweetener used—or skip sweeteners altogether. Brew black, green, or herbal tea at home and chill it for a refreshing, kidney-friendly alternative. Add slices of lemon, fresh mint, or berries for natural flavor without added sugar or harmful chemicals.

For more ideas on healthy beverages for kidney health, visit the DaVita Kidney Care beverage guide. Choosing homemade, unsweetened drinks supports kidney wellness.

44. Commercial Baked Goods

44. Commercial Baked Goods
A tempting assortment of cookies and packaged pastries is neatly arranged, showcasing a delightful variety of baked goods. | Generated by Google Gemini

Commercial baked goods such as cookies, cakes, and pastries are convenient treats, but they often contain high levels of trans fats, added sugars, and preservatives. Trans fats, commonly listed as partially hydrogenated oils, raise LDL (bad) cholesterol and lower HDL (good) cholesterol, increasing the risk of heart disease—a condition closely linked to kidney problems. Excess sugar in these products contributes to blood sugar spikes, weight gain, and an increased risk of diabetes, a leading cause of kidney disease. According to the National Kidney Foundation, these factors can accelerate the progression of kidney dysfunction.

Preservatives and artificial additives, often included to prolong shelf life and improve texture, can further burden already stressed kidneys. Baking at home is a much healthier alternative, as it allows you to control the quality and quantity of ingredients. Use whole grain flours, healthy oils like olive or canola, and natural sweeteners in moderation. You can also reduce or eliminate salt and avoid preservatives altogether.

For kidney-friendly baking ideas and tips, visit the DaVita Kidney Care dessert recipes. Homemade baked goods empower you to enjoy treats while making choices that protect your kidney health.

45. Flavored Popcorn

45. Flavored Popcorn
A tempting assortment of flavored popcorn spills from colorful bowls, offering a playful twist on a classic snack. | Generated by Google Gemini

Flavored prepackaged popcorn snacks are a popular choice for movie nights and on-the-go munching, but they can be loaded with sodium and artificial flavorings. Many varieties contain over 250 mg of sodium per serving, and ingredients such as artificial cheese, butter flavor, and preservatives can add to the burden on your kidneys. High sodium intake is directly linked to fluid retention and increased blood pressure, which are significant risk factors for kidney disease progression, as outlined by the National Kidney Foundation.

Artificial flavorings and colorings may also present challenges for those with sensitive kidneys, as these additives are not always easily processed and can accumulate over time. In contrast, air-popped popcorn made at home offers a kidney-friendly alternative. It contains minimal sodium and no artificial additives, allowing you to season it with herbs, a light sprinkle of nutritional yeast, or a dash of your favorite spice for flavor without the drawbacks. If you want a bit of salt, add just a pinch to control your intake.

For more healthy kidney snack ideas, visit the DaVita Kidney Care snacks recipes. Simple swaps like air-popped popcorn can help you enjoy snacks while supporting your kidney health.

46. Condensed Soups

46. Condensed Soups
A steaming bowl of hot soup sits beside a classic condensed soup can, ready for a comforting meal. | Generated by Google Gemini

Condensed soups are a convenient pantry staple, but they often contain extremely high levels of sodium and preservatives. A single serving can have over 800 mg of sodium, and since cans often yield more than one serving, it’s easy to consume well over the recommended daily limit in a single meal. Preservatives such as monosodium glutamate (MSG), artificial colors, and stabilizers are also commonly included, which can further burden the kidneys. According to the National Kidney Foundation, such high sodium intake can accelerate kidney damage, cause fluid retention, and raise blood pressure.

Healthier alternatives include preparing homemade soups using fresh ingredients and low-sodium broths. This allows for full control over sodium and the elimination of unnecessary preservatives. If using condensed soup is unavoidable, try diluting it with extra water and adding unsalted vegetables or cooked whole grains to reduce the sodium concentration per serving. Always check labels for “low sodium” or “no salt added” options when shopping.

For more ideas on preparing kidney-friendly soups, visit the DaVita Kidney Care soup recipes. Simple changes in preparation can help protect your kidneys and make meals healthier overall.

47. Bottled Salad Toppings

47. Bottled Salad Toppings
An assortment of bottled salad toppings is lined up beside a fresh, colorful salad, ready to enhance every bite. | Generated by Google Gemini

Bottled salad toppings—such as bacon bits, crispy onions, seasoned croutons, and candied nuts—are often used to add flavor and crunch to salads, but they can be surprisingly high in sodium, sugar, and preservatives. Many of these products contain over 200 mg of sodium per small serving, and candied or glazed varieties are loaded with added sugars. Artificial colors, flavor enhancers, and preservatives are also common, all of which can contribute to kidney strain and overall health concerns. According to the National Kidney Foundation, consuming excess sodium and processed additives increases the risk of fluid retention and high blood pressure, both detrimental to kidney function.

For a healthier approach, opt for natural salad toppings such as fresh or roasted vegetables, unsalted seeds, chopped fresh herbs, or a sprinkle of plain nuts. Sliced avocado, a handful of berries, or a spoonful of fresh salsa can add flavor and nutrition without the hidden sodium and sugar found in processed toppings. Making your own croutons from whole grain bread with just a touch of olive oil and herbs is another kidney-friendly alternative.

For more ideas on building kidney-safe salads, visit the DaVita Kidney Care salad recipes. Choosing fresh, whole-food toppings supports better kidney and overall health.

48. Sweetened Nut Butters

48. Sweetened Nut Butters
Creamy peanut butter and smooth almond butter swirl together in glass jars, ready for spreading or snacking. | Generated by Google Gemini

Commercial nut butters, such as peanut or almond butter, are popular spreads, but many varieties contain added sugars and salt that can negatively impact kidney health. Some brands add several grams of sugar and up to 150 mg of sodium per serving to enhance flavor and shelf life. According to the National Kidney Foundation, excessive sodium contributes to high blood pressure and fluid retention, while high sugar intake can lead to weight gain and increase the risk of diabetes—both strong risk factors for chronic kidney disease.

For a healthier choice, look for natural nut butters with an ingredient list that contains only nuts (and possibly a small amount of oil). These products are free from unnecessary sugars, salt, and preservatives. You can also make your own nut butter at home by blending unsalted, dry-roasted nuts until smooth. If you prefer a touch of sweetness, add a small amount of cinnamon or sliced fruit to your toast instead of using sweetened spreads.

For more information on kidney-friendly spreads and snacks, visit the DaVita Kidney Care snacks recipes. Choosing pure, minimally processed nut butters helps protect kidney health and supports overall wellness.

49. Syrups and Pancake Mixes

49. Syrups and Pancake Mixes
Golden pancakes stacked high beside a bottle of rich syrup and a box of fluffy pancake mix, ready for breakfast. | Generated by Google Gemini

Processed pancake mixes and commercial syrups are breakfast staples in many households, but they can be deceptively high in sugar and sodium. Pancake mixes often contain 300-500 mg of sodium per serving, along with added sugars and preservatives to enhance flavor and shelf life. Store-bought syrups, especially imitation maple varieties, are primarily made of high-fructose corn syrup and can deliver up to 20 grams of sugar per two-tablespoon serving. According to the National Kidney Foundation, high sodium and sugar intake increase the risk of high blood pressure, obesity, and diabetes—leading causes of kidney disease.

For a healthier breakfast, consider whole food alternatives like oatmeal made with fresh fruit, whole grain toast with natural nut butter, or homemade pancakes using whole wheat flour and minimal added salt or sugar. If you enjoy syrup, choose 100% pure maple syrup in small amounts or try fruit compote made by gently simmering berries or apples. These swaps provide natural sweetness and more nutrients, supporting better kidney and overall health.

For more ideas on kidney-friendly breakfast options, visit the DaVita Kidney Care breakfast recipes. Whole food choices help protect your kidneys and energize your day.

50. Restaurant Sushi (with Soy Sauce)

50. Restaurant Sushi (with Soy Sauce)
A vibrant assortment of restaurant sushi is artfully arranged beside a small dish of savory soy sauce. | Generated by Google Gemini

Restaurant sushi is often considered a healthy choice, but it can be surprisingly high in sodium due to the use of soy sauce, seasoned rice, and other salty condiments. A single tablespoon of regular soy sauce contains over 900 mg of sodium—almost 40% of the recommended daily limit for most adults. Additionally, sushi rice is frequently flavored with salt and sugar, and some rolls include processed fillings like pickled vegetables or imitation crab, which further increase sodium content. According to the National Kidney Foundation, excessive sodium intake can lead to high blood pressure, fluid retention, and greater strain on the kidneys.

When dining out, you can reduce sodium by requesting low-sodium soy sauce or using it sparingly—try dipping sushi lightly or skipping it altogether. Choose simpler rolls with fresh fish and vegetables, and avoid those with added sauces or fried ingredients. Ask if plain steamed rice can be substituted for seasoned rice in your rolls, and complement your meal with edamame or a fresh salad (without salty dressings) to help balance your intake.

For more kidney-friendly dining tips, visit the DaVita Kidney Care dining out guide. Thoughtful choices allow you to enjoy sushi while supporting kidney health.

Conclusion

Conclusion
A doctor explains kidney health to a patient, surrounded by fresh fruits and vegetables during a medical checkup. | Generated by Google Gemini

Protecting your kidneys begins with mindful eating, especially when it comes to sodium, sugar, and processed foods. As kidney doctors warn, these dietary choices can significantly impact your long-term health and increase the risk of chronic kidney disease. Prioritizing fresh, whole foods and reading nutrition labels empowers you to make safer choices. Regular nutrition screenings and blood pressure checks are essential proactive steps. If you have risk factors such as diabetes or high blood pressure, consult with a healthcare provider or registered dietitian for tailored advice. For more guidance, visit the National Kidney Foundation’s nutrition resources. Small, consistent changes can help safeguard your kidneys and overall well-being.

Disclaimer

The information provided in this article is for general informational purposes only. While we strive to keep the information up-to-date and correct, we make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability, or availability with respect to the article or the information, products, services, or related graphics contained in the article for any purpose. Any reliance you place on such information is therefore strictly at your own risk.

In no event will we be liable for any loss or damage including without limitation, indirect or consequential loss or damage, or any loss or damage whatsoever arising from loss of data or profits arising out of, or in connection with, the use of this article.

Through this article you are able to link to other websites which are not under our control. We have no control over the nature, content, and availability of those sites. The inclusion of any links does not necessarily imply a recommendation or endorse the views expressed within them.

Every effort is made to keep the article up and running smoothly. However, we take no responsibility for, and will not be liable for, the article being temporarily unavailable due to technical issues beyond our control.

Advertisement