Beta-Alanine is an amino acid used by muscle cells to synthesize carnosine. Increasing carnosine levels through supplements is becoming increasingly popular among athletes and bodybuilders. Carnosine is found, among other things, in skeletal muscle. Who is beta-alanine recommended for: People who practice endurance sports, before training Bodybuilders Each capsule contains 1000 mg of the amino acid beta-alanine. Like all BioTech USA products, beta-alanine capsules are made from safe and carefully selected ingredients.