Most people take vitamin C to cure a cold. That’s because it helps build up your immune system by increasing the production of WBCs, which are key to fighting infections.
Popular citrus fruits include:
Garlic’s immune-boosting properties seem to come from a heavy concentration of sulfur-containing compounds, such as allicin. Found in almost every cuisine in the world, Garlic adds a little zing to food. It is a must-have for your health. Early civilizations recognized its value in fighting infections. Garlic may also help lower blood pressure and slow down hardening of the arteries, as per the National Center for Complementary and Integrative HealthTrusted Source.
Broccoli is supercharged with minerals and vitamins. Packed with vitamins C, A and E, as well as fiber and antioxidants, broccoli is one of the healthiest vegetables to consume. However, the key to keeping its power intact is minimal cooking— or better yet, no cooking at all.
Red bell peppers
Think again if you think citrus fruits have the most vitamin C of any fruit or vegetable. Red bell peppers contain twice as much vitamin C as citrus. Besides boosting immune system, it may help maintain healthy skin. Beta carotene helps keep your eyes and skin healthy. They’re also a rich source of beta carotene.