Fitness Claims

Caffeine is the world's most widely consumed psychoactive substance and one of the most researched ergogenic aids in sports science. The cla...

Creatine monohydrate is one of the most extensively studied sports supplements. The claim is that regular creatine supplementation (typicall...

Branched-chain amino acids (BCAAs — leucine, isoleucine, and valine) are widely marketed as supplements that promote muscle protein synthesi...