13 Foods that Boost the Immune System

2. Bell pepper

Bell peppers are known for their high Vitamin C content. Most people think that citrus fruits are the only source of Vitamin C, but the bell peppers contain a much higher Vitamin C content than them. The red bell peppers have three times more Vitamin C content than the Florida orange. Vitamin C not only provides immunity against various diseases but also important for healthy skin. This vitamin has antioxidant effects too.

bell pepper | Foods that Boost the Immune System

Moreover, bell peppers are rich in beta carotenes. Our body converts the beta carotenes into vitamin A that is important for healthy skin, mucous membrane, and immune system. One bell pepper is enough to meet the 19 percent demand of the recommended amount of beta carotene.

3. Broccoli

Broccoli is enriched in many minerals and vitamins. This vegetable is a nutrient pack of Vitamin A, C, E, carotenes, iron, zinc, and all other essential nutrients for the proper functioning of our body. It is the best and healthiest vegetable to boost our immune system, which also contains different antioxidants and fibers.


Broccoli helps to control the blood sugar level and to attain healthy weight standards. Fibers in this vegetable are good for the heart and protect us from various cardiovascular diseases. Be careful while cooking it. Overcooking can result in the loss of all the essential nutrients. It is better to eat it as a raw vegetable or steam it to keep the nutrients.

4. Garlic

Garlic is an important thing that all of us use in our daily lives. It not only adds flavor to our foods but also keeps us healthy. It was used as an antiseptic and antifungal agent in the past. Garlic boosts our immune system, kills the invading pathogen like viruses and fight infections.

The Sulphur compound called allicin has an antiviral effect, so garlic is well known because of its ability to kill the flu virus. This item also prevents the hardening of the arteries and lowers our blood pressure to some extent. It also cures high cholesterol levels in the body.