Eggs are a good source of protein, as well as minerals like vitamin D, selenium, zinc, and vitamin E, which the body needs for healthy immune function. If at all feasible, pick eggs from chickens who have been given a vegetarian diet. Omega-3 fatty acids, as well as vitamins D and E, are found in higher quantities. Natural or cage-free versions alike because the nutritional content appears to be unaffected.

4-Bell Peppers

Citrus is abundant in vitamin C, but if you want to go all out, a yellow and red bell pepper is a better choice. A medium red bell pepper has more than double the vitamin C amount of a medium orange. Bell peppers are also strong in beta-carotene antioxidants and include a little amount of vitamin E antioxidants. Instead of pita bread, slices can be thrown in a salad, stir-fried with other veggies, or dipped in hummus.

5-Lean Beef

The presence of meat on this list surprising to you?

Here are a few reasons why I think it's one of the best foods for immunological health: More than half of the Recommended Dietary Allowance for zinc, selenium, and vitamin B6 is included in a 4-ounce meal of flank steak (RDA). It can be difficult to get enough of these essential nutrients, and even a minor deficit in one of them might cause your immune system to malfunction. This can make you more susceptible to sickness and harm your immune system.

So, Consume lean cuts of beef such as round steak, sirloin, and flank steak up to three times a week to boost your immune system.

6-Spinach

Vitamin A is essential for healthy immune function, and spinach is strong in beta-carotene, a kind of vitamin A that also acts as an antioxidant. Furthermore, leafy greens are high in folate, which has been linked to decreased immune function in certain studies. So, do you despise spinach? Beta-carotene is present in a wide range of dark orange and green fruits and vegetables, as well as nuts, beans, whole grains, and fortified cereals.

7-Salmon

While salmon isn't known for boosting immunity, enough and sufficient omega-3 intake (especially DHA and EPA, two types found in cold-water fish) is critical for reducing inflammation.

As a result, the immune system's resources might be focused on fighting infection and illness.

Are you looking for something that will last on the shelf? Keep canned salmon and mild tuna in water in the refrigerator.

Both fish are high in vitamin D and the antioxidant metal selenium, both of which are good for the immune system.

8-Yogurt

An easy way to strengthen your immune system is to eat yogurt with less added sugar and "active, live cultures."

Probiotics, or helpful bacteria, found in yogurt provide health benefits because studies demonstrate that the immune system and the microbiome work together to target illnesses and fine-tune immune responses.

So, a bacterial imbalance might impair the immune system's effectiveness. Yogurt and other probiotic-rich foods can help to improve your microbiome, reduce gut permeability, and increase immune function.

9-Chicken Soup

Although chicken soup may not appear to be beneficial to one's health, our grandparents may have been onto something.