
Keywords: 5-HIAA; 5-hydroxyindole acetic acid; 5-HT; serotonin; AAA; aromatic amino acids; AAT; aspartate aminotransferase; ADT; large neutral amino acid mixture; ALA; alanine; ASP; aspartate; BBB; blood-brain barrier; BCAA; branched-chain amino acids; BHM; β-hy