If you've recently started taking a new vitamin or supplement, you might wonder how long it takes for vitamins to work or when you’ll notice a difference. The answer depends on several factors, ...

Health experts say most memory supplements don’t prevent dementia; exercise, nutrition, and treating vitamin deficiencies ...

SEATTLE — As Pacific Northwesterners go deeper into the "big dark," some may wonder about their vitamin D levels. "It's so unique because it's the one vitamin that we actually get from the sun, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Having to swallow a huge pill every day is the worst part of taking your daily vitamins. Not only can it ...

Biotin, also known as vitamin H, can be found in tiny amounts in various foods, such as bananas, egg yolks and nuts. The vitamin helps maintain the health of the skin, hair, eyes, liver and nervous ...

Learn how vitamin D and calcium work together to promote bone health. Vitamin D helps your body absorb and use calcium, which is essential for building strong bones.

Hair Vitamins and Supplements: What Are They and Do They Work? This article was reviewed by Addie Ganik, MD, FAAD. If you got a dollar for every time a celebrity promoted hair supplements, you’d be ...