Does GR-7 restore hair color?
About Joe Cannon
Joe Cannon, MS has been investigating supplements and teaching people about them since the 1990s. He holds an MS in exercise science and a BS degree in chemistry and biology. He uses science to evaluate supplements. He's the author of several books including the first book about exercise-induced rhabdomyolysis. He's been quoted in the New York Times, Shape Magazine, and The Daily Beast. He trains personal trainers, speaking to thousands each year, and has even lectured to NASA.