BCAA 1000 contains a potent balance of Branched Chain Amino Acids which are building blocks of muscle mass and size. Metabolized directly in the muscle, BCAAs, may improve nitrogen retention by sparing other amino acid groups for repair and rebuilding.BCAA 1000 Facts Serving Size 2 Capsules Servings Per Container 100 Amount Per Serving L-Leucine 500 mg L-Isoleucine 250 mg L-Valine 250 mgDirections: As a dietary supplement, consume two capsules 1-3 times daily with water or your favorite beverage or use as directed by a physician or licensed nutritionist.Other Ingredients: Gelatin, magnesium stearate