Discription: Optimum Nutrition's Instantized BCAA 5000 Powder provides a 5000 mg blend of the three Branched Chain Amino Acids (L-Valine, L-Leucine and L-Isoleucine) in every serving. The Branched Chain Amino Acids (BCAA's), so named because of their unique branched chemical structure, are essential in that the body cannot make them from other compounds. In recent times, these amino acids have been investigated for their potential anticatabolic (preventing muscle breakdown) and anabolic (muscle building) effects. Other Ingredients: Natural And Artificial Flavors, Citric Acid, Inulin, Lecithin, Sucralose, Tartaric Acid, Silicon Dioxide, FD&C Red #40. NOTE: Serving sizes are larger in flavored versions due to additional ingredients to enhance taste. Warnings: Keep out of reach of children. Check with a qualified health care professional before taking this product if you are pregnant, nursing a baby, under 18 years of age, or if you have any known or suspected medical condition(s) and/or are taking any prescription or OTC medication(s). Allergen Information: Contains Soy (Lecithin) Ingredients.