Revigor helps produce new tissue by slowing muscle breakdown and enhancing protein synthesis.Arginine is an amino acid that promotes nutrient rich blood flow and is a building block for proteins which can contribute to healing.Glutamine is an amino acid that helps cells produce the building blocks needed for new tissue.Key nutrients to support tissue building.Helps build new tissue when your body needs it the most - after injury, surgery and wounds.Contains less than 1% fruit juice in Orange flavor and contains no fruit juice in Fruit Punch and Unflavored.