Supplements and Safety (full documentary) | Hidden Dangers of Vitamins & Supplements | FRONTLINE

Transcript

Tonight on Frontline... >> A multi-billion >> ...the debate over supplements. >> How could it be that yo without any evidence that it's >> They say their products will make you healthier. >> Consumers derive a benefit. Over half the country every day takes a supplement s >> But critics say that many have fra could be dangerous, and should be reg... Read More