There are many resources available to help you make better choices when it comes to choosing dietary supplements. The manufacturer or distributer of a dietary supplement has the option to invest in an unbiased third-party product evaluation and assurance to validate purity and the truth in labeling
Purity Resources:
United States Pharmacopeia (USP)
Verification Programs for Purity and Banned Substances:
NSF International Certified for Sport
Banned Substances Control Group (BSCG) partnered with Anti-Doping Research Laboratory