Vitamins & Supplements

The National Research Council of the United States - National Academy of Sciences establishes guidelines on what quantities of the various nutrients should be eaten by men and women various ages. These are called RDAs (for Recommended Dietary Allowances, and often referred to as Recommended Daily Allowances). People who maintain a healthy diet may not need to take a vitamin supplement, however for many reasons, people sometimes need to add a vitamin to supplement their daily diet. Be sure to do your research and consult your physician before taking vitamin supplements. What many people do not know, is that while vitamin deficiencies can be harmful, so can excessive amounts of some vitamins. Thirteen compounds are considered to be vitamins. There are four that are considered to be fat soluble, meaning they are stored in fat. You do not necessarily need to consume these on a daily basis, because they are not readily excreted. They are: Vitamin A, D, E and K. 

There is a lot of research available on vitamins and the Internet is a great source. You may find it informative to see what Wikipedia has to say about vitamins. Below is an excellent source for your vitamin purchases. You will find a wide variety and great deals!