Professional Strength Tribulus Strength Libido Support Hormone Support Dietary Supplement Combines Powder & Extract Extract Standardized for 40% Saponins Contains Saponins, Flavonoids & Sterols Who We Are Founded in 1977, we are a family-run company that has been formulating and manufacturing proven nutritional products for dedicated athletes. Our products are founded in over 90 countries around the world. CLASSIC SERIES Since the 70's We've been dedicated to making some of the finest nutritional products for world-class bodybuilders. Today, the new Classic Series still represents our steadfast commitment to those individuals seeking to achieve strength and perfection in the gym. TRIBULUS PRO Tribulus Pro™ is a natural herbal supplement containing biologically active compound including saponins, flavonoids. alkaloids, and sterols. Tribulus Pro™ combines both the powdered whole fruit with a standardized 40% extract for the best of both worlds. The unique formula found in Tribulus Pro™ can best deliver the physiological benefits that the herb has to offer.