NSF Certified for Sport
NSF Certified Sport
The NSF Certified for Sport Program certifies that what in on the label is in the bottle and the product does not contain unsafe levels of contaminants, prohibited substances or masking agents. NSF is an independent and accredited non-governmental organization.
NSF Certified for Sport products are tested for compliance with label claims and to ensure the absence of more than 200 substances banned by many major athletic organizations. Some of the substances included on the banned list include stimulants, narcotics, steroids, diuretics, beta-2 agonists, and masking agents.