Free form amino acid supplement. Supplies both the D and L forms of phenylalanine. What is Vitacost DLPA DL-Phenylalanine? . Vitacost DLPA DL-Phenylalanine supplies a combination of the D and L forms of the amino acid phenylalanine. Phenylalanine is an essential amino acid meaning the body needs it but can’t make it on its own—it must be obtained through diet. Foods such as meat poultry fish milk eggs and cheese are good sources of phenylalanine. . Why choose Vitacost DLPA DL-Phenylalanine? Contains both the D and L forms of phenylalanine. Supplies 500 mg of DL-phenylalanine per single-capsule serving. Contains 60 servings per bottle. High quality at a great value! About Vitacost. Vitacost nutritional products are manufactured to high standards of quality efficacy and safety. Each Vitacost product meets or exceeds the standards and requirements set forth in the FDA’s Code of Federal Regulation (21 CFR 111) Current Good Manufacturing Practices (CGMP). . . . *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose treat cure or prevent any disease.