Regardless of sport, every athlete is looking for an edge to be better than his opponent. When is supplemental help acceptable?

Many of these stimulants and supplements claim to enhance performance during training to deliver more mental focus, energy, endurance, strength, and fat loss.

In this installment, the Research Meathead takes a look at Creatine, Beta Alanine, and HMB.

Have you thought about what those stimulants you are ingesting really do?