As a rule, younger people need less vitamin D than older people, regardless of sex. This article explains average vitamin D ...

As far as nutrients go, vitamin D is one of the most widely useful—but oft-overlooked—things we put in our bodies. For ...

You've likely heard about the benefits of vitamin ... function. When your body doesn't receive enough vitamin B12, it slows the growth of red blood cells. You lose 1% of your oldest red blood cells ...