Product Name:BCAA CAS No.: 69430-36-0 L-Leucine: 46.5%~51.0% L-Valine: 23.3%~25.9% L-Isoleucine: 23.3%~25.9% Composition: L- leucine, L- isoleucine, L- valine Ratio: 2:1:1 Puritas: 99% Gradus : Food Grade Appearance: White crystals or crystalline powder Usage: Nutrition supplement for bodybuilding