Advanced Muscle Science is devoted to consumer and product quality and safety. You will find that all AMS products adhere to pharmaceutical-quality standards. In addition, we have chosen only the best manufacturing facilities in the world to produce our products. The AMS brand represents quality, innovation and integrity, legally designed to enhance athletic appearance and performance. AMS is the proud maker of Arom-X, 4-AD, 1-Andro and other scientifically developed dietary supplements.