MaxGXL is a compositionally patented nutritional product developed by renowned immunologist Dr. Robert Keller. Marketed through Max International, a reseach and science based company that focuses on a proper blend of science and nature, founded in February 2007. MaxGXL has passed the ConsumerLab.com's Athletic Banned Substance Screening Program. This program screens for over 170 substances based on the 2007 World Anti-Doping Agency (WADA) Prohibit list. MaxGXL is a patented all natural product which has been granted a "COMPOSITION PATENT" normally only given to PRESCRIPTION DRUGS because it produces such poweful results. For more information on MaxGXL and Max International visit www.mymaxgxl.com/livinglife.