Metabolic Maintenance D, L-Phenylalanine (with B6) 60 caps

L-Phenylalanine is an essential amino acid that converts to tyrosine. It follows the catecholamine pathway and is a precursor to thyroid hormone. Phenylalanine—>Tyrosine—>Norepinephrine —>Epinephrine L-Phenylalanine helps support the normal production of mood-elevating chemicals in the brain such as dopamine and norepinephrine. D-Phenylalanine helps to naturally reduce pain signals in the nervous system. The combination of the two forms may help support normal mood and address physical discomforts. It should not be used with MAO inhibitors or tricyclic antidepressants, or by patients who have PKU, or hypertension.