INGREDIENT BREAKDOWNAndrosterone - Converts to DHT, the male sex hormone. Helps increase strength and libido 1-Andro - Converts to 1-Testosterone. Considered a lean bulking compound, 1-Andro is the premiere legal anabolic compound on the market and will allow you to build strength and size without excess water weight. 4-Andro - Converts to Testosterone. Considered a "wet" gainer, 4-Andro will help you build strength and size, but does aromatize which may result in excess water retention. 4-Andro is great for libido. Arimistane - Anti estrogen compound that will combat the side effects of 4-Andro and keep your muscle lean and hard.