Look for the mark and you'll find a safer product.
Athletes and the supplements they take are under more scrutiny than ever before. This year’s Olympic anti-doping program is the most rigorous program the Olympics has ever seen.
NSF International created this infographic to demonstrate how accidental doping as a result of taking a contaminated supplement is a real and preventable issue. Several Olympic and professional athletes have learned this lesson the hard way, many paying the price with damage to their reputation, loss of salary, or their shot at competing.