2. Eat your vegetables
One of the best ways to stay healthy is by choosing an array of foods to boost your immune system which means they will provide your body with the nutrients your immune system needs. It turns out that green vegetables – from bok choy to broccoli -are the source of a chemical signal that is important to a fully functioning immune system. They do this by ensuring that immune cells in the gut and the skin known as intra-epithelial lymphocytes (IELs) function properly.
Vegetables are important sources of many nutrients, including potassium, dietary fiber, folate (folic acid), vitamin A, and vitamin C. Dietary fiber from vegetables, as part of an overall healthy diet, helps reduce blood cholesterol levels and may lower risk of heart disease. Most fruits are naturally low in fat, sodium, and calories. Fruits are sources of many essential nutrients that are under-consumed, including potassium, dietary fiber, vitamin C, and folate (folic acid). Diets rich in potassium may help to maintain healthy blood pressure.