Twinlab Amino Fuel Tablets are an amino acid supplement containing a high-tech anabolic formula with 1000 mg (per tablet) of branched chain amino acids, L-Carnitine and peptide-bonded and free amino acids. All of these readily absorbable amino acids come from the highest quality whey and egg white proteins.Research shows that when taken orally, peptide-bonded amino acids increase nitrogen retention and are superior for achieving optimum muscle growth.*