This food supplement provides essential amino acids in an appropriately balanced ratio. Directions: As a food supplement, take one to three capsules daily away from food, or as directed by your healthcare professional. One vegetarian capsule provides: Ingredient Weight L-Leucine 130mg L-Phenylalanine 130mg L-Lysine 100mg L-Histidine 76mg L-Isoleucine 76mg L-Valine 66mg L-Methionine 50mg L-Threonine 50mg L-Trytophan 20mg