Tomatoes are another food that’s high in vitamin C, so you want to eat more when you’re sick. For example, just one medium tomato holds over 16 mg of the vitamin. However, eating tomatoes before you start to feel sick can help you fight off the cold and flu.
German researchers looked into the health benefits of eating tomatoes and published their findings in the German journal Medizinische Monatsschrift fur Pharmazeuten. The study proved that tomatoes help build up your body’s T-cells, which is an integral part of boosting your immune system.