Best Foods for the Immune System

For most of the population, when it comes to potentially improving the health of their immune system, the biggest single, manageable, and effective variable may be diet. Read on to find out more about the best foods for the immune system.

Stress and environmental factors may be issues that should be addressed if you seem to succumb to whatever virus is currently in your area, or your wound healing takes longer than it should.

However, more and more research says that the main reason behind increasing levels of susceptibility to viral and bacterial attack (due to diminished levels of immune system potency) may be a diet that does not provide the nutrients essential to promoting immune system health.

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Our immune system underpins our health automatically, with no conscious effort on our part, killing off invisible invaders that attempt to destroy our health. In turn, our immune system may be most strongly supported by eating the right foods and avoiding the wrong ones.

A healthy immune system is totally reliant on a regular supply of antioxidants. These occur naturally, in abundance, in fruit and vegetables, some more than others. Healthy protein is also an essential requirement, to supply amino acids vital to our immune systems healthy functioning.

Eating a wide range of fruit and vegetables may provide a holistic, broad-based, nutrient, and antioxidant supply to potentially ensure no essentials are omitted. However, some healthy foods have been said to supply above-average support to the immune system.

As such, they may deserve special mention, and extra effort could be made to regularly include them in a healthy diet, to potentially rev up your immune system’s fighting ability.

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Best Foods for the Immune System


Spinach is rich in folate that may be vital for the production of new cells and for repairing damaged DNA. This green leafy vegetable is also a potentially excellent source of protein, fiber, antioxidants, and calcium. To be able to ensure that you get these benefits from spinach, you may want to try eating it raw if not lightly cooked.


Watermelon may not only refresh and hydrate but it also may be one of the healthy foods that invigorate your immune system. Watermelon may be one of the richest sources of glutathione. Glutathione is made up of three kinds of amino acids namely L-Cysteine, Glycine, and L-Glutamic Acid. Each human cell needs glutathione for its protection against the adverse effects of free radicals.

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Glutathione also may boost energy, reduce muscle pain, and promote clearer thinking. Watermelon contains active compounds that might fight against the adverse effects of aging while possibly reducing the number of toxins and wastes inside the body.


Carrots are known for their beta-carotene content. One of the main functions of beta-carotene in the body is to potentially protect the mucous membrane found in the intestinal and respiratory tracts against any bacterial invasion. Eat your carrot raw or enjoy it along with broccoli and cauliflower as a nutritious appetizer.


Cabbage is loaded with glutathione possibly making it one of the best healthy foods that invigorate your immune system. Cabbage is not only cheap but it is also usually available in the market all year round, so it may be considered an immune-health staple any time of the year.

Cabbage not only might help in battling inflammation but it also has potential anti-cancer properties. It may help disinfect the colon and could speed up the healing process of many skin problems. Cabbage juice has also been said to potentially be effective for healing ulcers.

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Grapefruits are rich sources of flavonoids that may act as antioxidants. These flavonoids are potentially helpful for reducing inflammation and may also promote healthy arteries. The antioxidants also function as anti-aging compounds that may prevent and repair damaged cells.

Grapefruit is also loaded with vitamin C that might help protect people against the common colds and flu.

Include more of these fruits and vegetables in your daily diet to potentially keep your immune system functioning at the best it can. In spite of the other variables which may seem uncontrollable (such as stress or environmental factors), a diet with healthy foods is an area over which you do a large measure of control.

*Information on this site is provided for informational purposes and is not meant to substitute for the advice provided by your own physician or other medical professional. You should not use the information contained herein for diagnosing or treating a health problem or disease. If you have or suspect that you have a medical problem, contact your health care provider. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease.

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