Evlution Nutrition 100% Pure Tribulus Terrestris Extract - Maximum Potency 90% Steroidal Saponins, Testosterone Booster and Estrogen Blocker Support - 60 Capsules About this item BUILT FOR YOU: Our 100% Tribulus Terrestris Extract contains 650mg Ultra Pure Tribulus Terrestris Extract and is designed to help optimize your performance and stamina. SUPERIOR POTENCY: The key to what separates the effectiveness of our 100% Tribulus supplement from the rest is the 90% level of Steroidal Saponins, the active ingredient in Tribulus that makes it an all-star performance and lean muscle supplement. MAXIMUM STRENGTH: Our unique formula uses a superior level of pure 100% Tribulus extract that’s standardized to more than 2x the active compound found in most Tribulus supplements. NO STIMULANTS: 100% Tribulus can be used anytime of day due to it's stimulant-free formula. Take morning, noon, or night to help supplement your daily workout routine. PREMIUM QUALITY: Evlution Nutrition's 100% Tribulus is Vegan & Gluten-Free ingredients, made in the USA at a plant with certified good manufacturing practices, and is 3rd party tested to ensure integrity and purity.