Tyrosine and Tryptophan | Noshing for Neural Health Posted on 2023-01-262023-01-26 By CRPScontender No Comments on Tyrosine and Tryptophan | Noshing for Neural Health Video Introduction to the amino acids tyrosine and tryptophan. These amino acids are the precursors to the neurotransmitters dopamine, noradrenaline, adrenaline, and serotonin. A video essay.