Research Regarding Athletes Using Herbals as Effective Ergogenic Aids

Research regarding athletes using herbals as effective ergogenic aids

A) is extensive and provides conclusive evidence of their positive effects on performance.
B) is limited because much of what we know about the efficacy of herbal supplements is based on anecdotal data and poorly controlled studies.
C) has been relatively easy to do, since herbs are regulated as dietary supplements in the United States and are required to be standardized.
D) generally reports significant ergogenic effects with limited potential health risks.