Andro Study in JAMA

CHICAGO--The Feb. 9 issue of Journal of the American Medical Association(JAMA) has published a study that considered the testosterone-increasing effectsof androstenedione, a sports supplement made popular when it was touted bybaseball's Mark McGwire. The study followed men who took 300 mg of andro per dayfor seven days.

It reported that they did, indeed, experience increased testosterone levels.Andro, which can be purchased in natural products stores, is allowed in majorleague baseball, the National Hockey League and the National BasketballAssociation. However, it is banned by the International Olympic Committee, theNational Football League and the National Collegiate Athletic Association.