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, ...

Doctors prescribe vitamin B12 shots for people with a B12 deficiency or those with an underlying condition that inteferes ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Does anyone actually like taking vitamins? You either have to chew up a gummy that is almost like candy ...

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 ...