Details: Muscle Force Tribulus is made from the purest Bulgarian Tribulus! 1500mg per serving maximum strength, and the only product with Lecithin for fast uptake and bioavailability. Bullets: Muscle Force Tribulus is a proprietary formula of the finest Bulgarian Tribulus, providing 1500mg at 45% saponins extract per serving, and a NEW BIOAVAILABILTY FACTOR which provides better uptake than competing products. That means you will maximize testosterone levels more quickly and for longer duration. This is one of the best Tribulus formulas on the market and we guarantee it or your money back!