Testrol contains the ultimate blend of eleven components relative to testosterone that are clinically proven to build muscle. Testrol is a powered-packed formula containing 2000mg of high potency ingredients such as Tribulus Terrestris, Xanthoparmelia, Cnidium Monnier, Avena Sativa, Damiana, Tongkat Ali, Selenium, Saw Palmetto, Macuna Pruriens, APG Gold (L-Arginine), and Gingko Biloba. Testrol (now available without a prescription) is a scientifically advanced formula designed to build muscle. If you are on an anabolic cycle, or nearing the end of a cycle, you need Testrol. From a clinical point of view, there's no question that testosterone is the strongest and most valuable anabolic hormone around. Build Lean Muscle Highly Anabolic Ingredient Summary: Xanthoparmelia Scabrosa - induces smooth muscle relaxation, allowing for maximum arterial dilation and increased blood flow. Cnidium Monnier - increases nitric oxide release and inhibits PDE-5. L-Arginine - Increases natural production of nitric oxide.