Dietary Supplement "L-Tyrosine", 500 mg Doctor's Best Best L-Tyrosine

Tyrosine is a conditionally essential amino acid that serves as a precursor to the neurotransmitters catecholamine, dopamine, adrenaline, and noradrenaline. These are vital signaling molecules for the brain and the nervous system of the entire body. The thyroid gland also requires tyrosine for the production of the critical hormone thyroxine.