10 powerful natural foods to boosting immune system and available in markets

10 Powerful Natural Immune System Boosters

Citrus Fruits
Citrus is a genus of flowering trees and shrubs in the rue family, Rutaceae. Plants in the genus produce citrus fruits, including important crops such as oranges, lemons, grapefruits, pomelos, and limes. 
Citrus fruits contain carbohydrate, fiber, vitamin C, potassium, folate, calcium, thiamin, niacin, vitamin B₆, phosphorus, magnesium, copper, riboflavin, pantothenic acid and a variety of phytochemicals.

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.
It is also enriched with carotenoids lutein, zeaxanthin, beta-carotene and other power packed antioxidants. 5. Bone health: Broccoli contains high levels of both calcium and vitamin K, both of which are important for bone health and prevention of osteoporosis.

Garlic
Consuming garlic on a daily basis (in food or raw) helps to lower cholesterol levels because of the anti-oxidant properties of Allicin. It is also immensely beneficial to regulate blood pressure and blood sugar levels and immune boosting properties seem to come from a heavy concentration of sulfur containing compounds, such as allicin.

Ginger
Ginger is another ingredient many turn to after getting sick. Ginger may help decrease inflammation, which can help reduce a sore throat and inflammatory illnesses. Ginger may help with nausea as well.

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.

Almonds
Almonds are high in vitamin E that acts as an antioxidant in your body and helps immune system function. Almonds also contain iron and protein that are essential for your immune system.

Sunflower Seeds
The role of sunflower seeds in helping the immune system
Sunflower seeds also contain selenium which help your body fight against certain cancers, while also helping your immune system to control cell damage. Sunflower seeds are a great source of vitamin E, which helps maintain healthy skin, hair and nails.

Turmeric
Turmeric is a natural way to help bolster the immune system by increasing the immunomodulating capacity of the body. Try adding extra turmeric into your diet during periods of stress or during flu season to help give your immune system a little boost.

Green Tea
Polyphenols, potent plant antioxidants, are what's believed to give green tea its immune-boosting effects. One laboratory study suggested that a particular type of polyphenols called catechins may kill influenza viruses.

Yogurt
Yogurt also be a great source of vitamin D, so try to select brands fortified with this vitamin. Vitamin D helps regulate the immune system and is thought to boost our body’s natural defenses against diseases.
 Clinical trails even in the works to study its possible effects on COVID-19.