April 22, 1976, Cogress passed an act prohibiting the FDA from doing just this and in 1996 additional legislation resulted in vitamins being classified as food,

April 22, 1976, Cogress passed an act prohibiting the FDA from doing just this and in 1996 additional legislation resulted in vitamins being classified as food, not drugs. The FDA has wanted to do something about this for a long time. They clearly see supplements as dangerous (especially things like 6000% RDA).