Vitamin D is known to be essential to many aspects of human health — but a new study suggests that taking a certain form of it can have a negative effect. The more potent and longer-lasting form, ...

Vitamin D is known to be essential to many aspects of human health — but a new study suggests that taking a certain form of it can have a negative effect. The more potent and longer-lasting form, ...

A major shift is unfolding in the field of skin cancer prevention, ignited by new research showing that an everyday vitamin supplement may prevent many cases of the world’s most frequently diagnosed ...

Scientists discovered that vitamin D2 supplements can lower levels of vitamin D3, the form the body uses most effectively. Unlike D2, vitamin D3 enhances the immune system’s first line of defense ...

Our bodies are intricate machines: complex, intelligent, and deeply responsive to how we nourish them. For Black women in particular, nutrition and taking the right essential vitamins are crucial ...

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Vitamin A does more than just stimulate collagen for the smoothest and firmest skin. The fat-soluble vitamin is crucial to our overall health and does a lot to support our immune system, cell growth, ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? To get the scoop on niacinamide and vitamin C, including what each of them ...

Taking one type of vitamin D supplement seems to cut the levels of another type that is more easily used by the body, which could affect our immune system. Our bodies create vitamin D when ultraviolet ...

Taking vitamin D2 might lower the body's levels of the more efficient form of vitamin D, vitamin D3, according to new research from the University of Surrey, John Innes Centre and Quadram Institute ...

Neurodegenerative diseases like Alzheimer's, Parkinson's, and Huntington's disease are characterized by the progressive loss of neurons. The resulting debilitating symptoms, such as loss of memory and ...