Dietary Supplement. Lean muscle. Fast absorbing anabolic liquid. Naturally and artificially flavored. Same classic formula - new look! 15 g protein per serving. The L-Tryptophan in this product is naturally present in the protein. It is not added or manufactured. The science behind the size. Twinlab Amino Fuel delivers protein in its most easily digested, absorbable and usable form to maximize muscle growth and optimize protein synthesis. Research shows that when taken orally, peptide-bonded amino acids increase nitrogen retention better than free form amino acid mixtures for optimum muscle growth. 15 g premium quality, branched chain, peptide-bonded and free amino acids per serving. Contains stress B-complex vitamins, energizing complex carbohydrates and pure crystalline fructose. Helps maximize muscle growth and optimize protein synthesis. www.twinlabfuel.com. facebook.com/twinlabfuel. (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).