Vitamins are necessary for human life and health. They are required in minute amounts, and with the exception of Vitamin B12, cannot be manufactured in your bodies. These organic compounds need to be obtained from diet, and if deprived of a particular vitamin, you will suffer from disease specific to that vitamin. It is a matter of record that you are not getting enough vitamins. Though we Americans are living longer, our quality of life leaves much to be desired.

The thirteen different vitamins are classified into two main categories: