Andrew Huberman· PhD
these amino acids each have unique metabolic roles in the body it's not interchangeable for example the essential amino acid will'll just pick a brain one uh tryptophan for serotonin production or thine for mucin production in the gut which helps the gut lining or you know take your pick phenyalanine these all of these essential amino acids do various things in the body for skeletal muscle the primary essential amino acid is Lucine