“You have to pity the poor supplement industry. It is taking a real beating these days.” New York University Nutrition Professor Marion Nestle, blogging about recent government and press reports claiming that dietary supplement makers use “questionable and deceptive” marketing practices and provide advice posing potential health risks. She concludes, “Yes, I know half the U.S. adult population takes supplements and nearly everyone who takes them claims to feel better as a result. The science, however, consistently produces reasons for skepticism, if not caution.”  

Food Politics, August 9, 2010.