More than half of Americans take a dietary supplement, but the truth is, most people don't need them. There are, however, a handful of supplements that can be helpful in some situations!

Hosted by: Hank Green
Sources: ER visits supplement paradox selenium/vitE on prostate cancer glucosamine combo calcium & fracture calcium & osteop,-dependency,-and-toxicity/folate autism cochrane eyes AREDS2 2013 BMJ 2006 laryngoscope 2005 review