Big. Strong. Muscle. Black Magic Supply brings you the most powerful designer anabolic on the market today; Dura Gains! When our experts formulated Dura Gains our goal was to have a product that was nothing short of spectacular. Let's just say we over delivered on our expectations. Black Magic Supply utilized the highest quality ingredients, handcrafted to create a potent Anabolic Matrix to help elevate strength, increase endurance, boost muscle size, and deliver explosive power at levels never seen before.Dura Gains possesses a formula of anabolic potency that will provide results in a quick and efficient time frame shocking anyone that dares to try. Note: Manufacturers continually change product specifications. While we try our best to keep product descriptions up to date, they do not necessarily reflect the latest information available from the manufacturer. We are not responsible for incorrect or outdated product descriptions and/or images.