14 of The Best Foods To Improve Your Immune System

Your immune system can be strengthened by the foods you eat. In fact, certain types of food are known to be great immune system boosters. So, if you want to increase your immunity to prevent winter colds and flu, make a trip to your local grocery store.


There are certain foods that boost immunity more than any others, which is why you should include them in your meal plans. Here are 14 such foods to improve your immune system and guaranteed to boost your immunity.

1 Citrus fruits

When people catch a cold they usually need to increase their vitamin C intake to help get rid of it. Vitamin C helps in building up your immune system by increasing the production of white blood cells which are the key to fighting any infection. Oranges, limes, tangerines, lemons, clementines, and grapefruits are some of the best among citrus fruits.


You may not be aware of it but your body neither produces vitamin C nor stores it away. So, you need it regularly to stay in good health. Almost any citrus fruit is rich in this vitamin and there is a variety to choose from too.

foods to improve your immune system

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2Red bell peppers

Along foods to improve your immune system, while citrus fruits are good sources of vitamin C, red bell peppers contain twice the amount of vitamin C than any fruit or vegetable. Vitamin C does more than simply boost your immune system. It even improves and maintains healthy skin. Red bell peppers are also rich in beta carotene which helps in keeping both your eyes and skin healthy.

Red bell peppers

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Broccolis contain a huge amount of vitamins and minerals. These include- vitamins A, C, and E, fiber, and a large number of antioxidants. But, in order to keep these nutrients intact until it enters into your system, you must cook this super vegetable as little as possible. It would be even better to not cook it at all. Broccolis are one of the healthiest vegetables which you can put on your table.


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Garlic is one of the best foods to improve your immune system, which adds a little zing to food which makes it a very common ingredient found in almost every cuisine. But, it also has a variety of health benefits which helped in fighting infections and this was recognized by early civilizations. Research has even suggested that garlic can possibly help in lowering blood pressure and slow down the hardening of the arteries. Garlic contains a strong concentration of sulfur-containing compounds like allicin which give it its potent immune-boosting properties.

Garlic cloves

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