Now Foods L-Tyrosine Pure Powder, 4 oz (113 g)  (113 g)

Neurotransmitter SupportPharmaceutical GradeHealthy Glandular FunctionSupports Mental AlertnessNon-GMOA Dietary SupplementKosherAmino AcidsFamily Owned Since 1968 HalalGMP Quality AssuredTyrosine is a conditionally indispensable amino acid required for the production of the neurotransmitters dopamine, adrenaline, and noradrenaline, as well as for the skin pigment, melanin. Noradrenaline (norepinephrine) and adrenaline (epinephrine) are the main actors in the body's response to acute stress and, along with dopamine, help to support a positive mood and mental alertness. In addition, tyrosine is especially critical for the normal function of the thyroid gland.