vitamin K foods
How to Select the Best Vitamin and Mineral Supplement It can be quite confusing to go shopping for vitamins and minerals these days. They are in every store. They come in every shape and milligram with some having thousands of milligrams. Here is a brief history of vitamin and mineral supplements to help you better understand what the best choice is for you. The history of vitamins and minerals goes way back to the discovery in the 1930's. At this time certain deficiency diseases were recognized as being caused by a lack of vitamins and minerals. When this was realized the development of Recommended Daily Allowance (RDA) came about. In a nutshell the RDA is the amount of essential nutrients from food that is needed to keep a healthy person healthy. What does this little history have to do with vitamins and Minerals ? The first generation of vitamin/ mineral supplements were developed using synthetic versions of vitamins and minerals. These supplements were created in th