Is the supplement industry doing enough for consumer safety?

Aired: 4/10/2015 | 0:09:05 | Clip
Some popular weight loss and workout supplements contain a chemical called BMPEA that includes an ingredient nearly identical to amphetamine, according to a new study. Dr. Pieter Cohen of Harvard Medical School and Daniel Fabricant of the Natural Products Association join Hari Sreenivasan to discuss the safety and regulation of dietary supplements.