never heard of it, but if its for horses, i def wouldnt take it. so many things that it can mess up. number one, i dont even know what it is, but its made for a HORSE. horses have larger hearts...etc not like humans do. are you new to body building or just new to this site. if ur just new to this site, u can consider running a PH, but what i suggest is EAT more than you ever have in your life. i guarantee u will grow. train right and eat like a horse, dont take stuff for a horse bro. supplemets u can take that are safe include creatine, AAs, baas, mild test boosters, protein, prime, and the best supplement out there is....get ready for it...CHICKEN. lean protein right there and u eat alot of it u will grow (along with a proper diet and lots of it)