The health of a person depends on how efficient his immune system works. The weaker the immune system, greater will be your susceptibility to any disease. Strong immune system helps to fight against infections caused by microorganisms. Therefore, it is necessary to have a powerful immune system. A strong immune system keeps you active and free from many infectious diseases. Here are some vital foods that help to boost the immune system naturally.

Yogurt: Yogurt is a best food which contains good bacteria that guard against harmful bacteria which invade our body. These beneficial bacteria line the intestine and helps in proper digestion of food and better nutrient absorption.

Lemons: Lemon is rich in vitamin C, which aids in increased WBC and antibody production. These cells fight against infection.  

Garlic: Garlic is a wonder food that contains a sulphuric compound called allicin, which has antibiotic, antifungal and antiviral properties.

Oregano (omum (Tamil)/ ajwain (Hindi)/vamu (Telugu)): It is a very good immune booster. It has antioxidant property.

Green tea: Green tea has a defensive property against microbes. It is the best choice of drink against flu.

Pumpkin: Pumpkin is rich in Vitamin A and beta carotenes which boost the immune system. Other alternatives include carrots, sweet potatoes, orange color squash, carrots, broccoli, leafy greens etc.

Tuna: This fish contains omega fatty acid which is an essential nutrient to boost the immune system.

Ginger: Ginger is found to strengthen the immune system. Drinking a ginger tea or bathing in ginger, helps to increase sweating, which eliminates germs and toxins.

Oysters: Oysters are rich in zinc. Zinc mineral helps to detect antigens and germs.

Turmeric: Turmeric helps to generates immune cells. It has antibacterial and antifungal properties, hence used as local antiseptic.

Blueberries: This delicious fruit is a wonderful immune booster. It prevents bacteria to stick to the linings of urinary system, thereby prevents urinary tract infections.