David Castille, M.S., CSCSWhen it comes to competitive athletics, or just reaching goals in the gym, people are always looking for some form of aid or advantage. Beta-hydroxy-beta-methylbutyrate (the only form of HMB), or HMB, may prove to be a potent ergogenic aid for many different kinds of athletes.  HMB, discovered by Dr. Steven Nissen, has been around since the early- to mid-90s where it has been used primarily by athletes and bodybuilders. During the past two decades, research has bee...