Do You Really Know Why You’re Taking Those Vitamins?

The Vitamin Basics

There are a plethora of vitamins, from vitamins vitamin B, C, D as well as Calcium and Magnesium. Then there are vitamins A, E, and K, among a host of others that are often treated as the less popular ones, although they do have their purpose. But what do they do, and are they as safe as doctors say they are?