Sci Fit's Tribulus Terrestris has been shown when taken at 750mg. per day to increase Testosterone levels by 38% in as little as 5 days!Tribulus Terrestris is believed to enhance testosterone levels by increasing lutenizing hormone (LH) levels. LH signals the pituitary gland to naturally produce more testosterone.Tribulus Terrestris is an all natural herbal alternative to synthetic anabolic hormones. Increased levels of testosterone promote protein synthesis and positive nitrogen balance. The benefits for the athlete are muscle cell growth and increased body strength, as well as faster recuperation and recovery.Tribulus Terrestris is non-toxic and exhibits no harmful side effects.Tribulus Terrestris has been widely available since 1998 and has continually received positive consumer response.Sci Fit's Tribulus Terrestris is pharmaceutical grade and available in 500mg. 60 capsule sizes.