The best foods for boosting immunity

The immune system consists of organs, cells, tissues, and proteins. Together, these carry out bodily processes that fight off pathogens, which are the viruses, bacteria, and foreign bodies that cause infection or disease. Feeding your body certain foods may help keep your immune system strong.

Citrus fruits

Citrus fruits include: grapefruit, oranges, clementines, tangerines, lemons, limes. Almost all citrus fruits are high in vitamin C. Vitamin C is thought to increase the production of white blood cells, which are key to fighting infections.

Broccoli

Broccoli is supercharged with vitamins and minerals. Packed with vitamins A, C, and E, as well as fiber and many other antioxidants, broccoli is one of the healthiest vegetables you can put on your plate. The key to keeping its power intact is to cook it as little as possible — or better yet, not at all.

Garlic

Garlic has antibacterial, antiviral, and anti-fungal properties. The bulbs are rich in antioxidants that quench free radicals that play a role in Alzheimer’s disease, heart disease, cancers, and other conditions. The antiviral properties may be helpful in reducing the severity of colds, flu or COVID-19 infections.

Green tea

Both green and black teas are packed with flavonoids, a type of antioxidant. Where green tea really excels is in its levels of epigallocatechin gallate (EGCG), another powerful antioxidant. EGCG has been shown to enhance immune function. The fermentation process black tea goes through destroys a lot of the EGCG. Green tea, on the other hand, is steamed and not fermented, so the EGCG is preserved. Green tea is also a good source of the amino acid L-theanine, that may aid in the production of germ-fighting compounds in your T cells.

Papaya

Papaya is another fruit loaded with vitamin C. Papayas also have a digestive enzyme called papain that has anti-inflammatory effects. Papayas have decent amounts of potassium, magnesium, and folate, all of which are beneficial to your overall health.

Almonds

When it comes to preventing and fighting off colds, foods nuts with vitamin C is recommended. However, this powerful antioxidant is key to a healthy immune system. It’s a fat-soluble vitamin, which means it requires the presence of fat to be absorbed properly. Nuts, such as almonds, are packed with the vitamin and also have healthy fats. It is recommended that you have a few everyday.

Sunflower seeds

Sunflower seeds are full of nutrients, including phosphorous, magnesium, and vitamins B-6 and E. Vitamin E is important in regulating and maintaining immune system function. Other foods with high amounts of vitamin E include avocados and dark leafy greens. Sunflower seeds are also incredibly high in selenium which can combat viral infections such as swine flu (H1N1).

Spinach

Spinach made our list not just because it’s rich in vitamin C it’s also packed with numerous antioxidants and beta carotene, which may both increase the infection-fighting ability of our immune systems. Similar to broccoli, spinach is healthiest when it’s cooked as little as possible so that it retains its nutrients. However, light cooking makes it easier to absorb the vitamin A and allows other nutrients to be released from oxalic acid, an antinutrient.

Shellfish

Shellfish that are high in zinc include: oysters, crab, lobster, mussels. Some types of shellfish are packed with zinc. Our body needs Zinc so that our immune cells can function as intended.

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