Taking vitamin C supplements can boost your immune system. Exercise regularly to help your immune system stay strong. Eating citrus fruits can reduce the length of colds. The immune system is your ...

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 ...

There’s a lot of truth to the adage “food is medicine.” While medications are certainly important and necessary, there is a direct relationship between diet and immune health. Nutrients both directly ...

Though the NHS recommends most adults consider taking vitamin D until around March as daylight hours shrink, the service also noted: “There’s little evidence that supplements such as vitamin C, ...

NBC News medical contributor Dr. Natalie Azar and TODAY health and nutrition expert Joy Bauer stop by Studio 1A to share tips for boosting your immune system and staying healthy during the frigid ...