With some vitamins and minerals, the upper limit is pretty close to the RDA. So it's easy to get too much. For example, a man who takes just over three times the RDA of vitamin A would get more ...

where can i find a chart with all the natural (dietary) sources of all the vitamins and minerals? it used to be readily available, but i can't seem to find it anywhere. I must admit that I am not ...

Dietary supplements should not replace complete meals, which are essential to nurturing the body. ... Vitamin and mineral supplements such as vitamin D and calcium remain the most popular types.