"THERE is much concern these days about what’s in our dietary supplements. Are they actually filled with the ingredients that the labels promise?
Maybe, maybe not. Quality control issues in the estimated 85,000 dietary supplement products available in America should give every consumer pause. But even vitamins themselves — the 13 dietary chemicals necessary to prevent deficiency diseases like scurvy and rickets — pose hidden hazards of their own."
(image credit: Oivin Horvei for the New York Times)