"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." Really, one of the best ways to keep your immune system healthy is also one of the simplest: by ...

Oranges aren’t the only immune-supporting food. Red bell peppers, spinach, papaya, and ginger also provide key nutrients for ...

Citrus fruits are known for being high in immune-supporting vitamin C, but they also contain other antioxidants and nutrients ...

Kickstart your day with nutrient-rich foods to bolster your body's defenses. A healthy breakfast featuring citrus fruits, ...

Vitamins and supplements like zinc and cod liver oil are often touted for their ability to boost your immune system, but Jeffrey Bland, the "father of functional medicine," says that's not actually ...

An apple a day may keep the doctor away, but adding some vitamin C to your diet for good measure will help, too. Vitamin C, also known as ascorbic acid, supports the immune system and helps your body ...

Maintain a healthier lifestyle and boost your immune system with Olly chewable vitamins. In this cold and flu season, making sure we’re getting all our vitamins to stay healthy is really important.

Boost vitamin D with salmon, mushrooms, flounder and fortified tofu. Other important nutrients for women over 40 include ...