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L-Tyrosine Definition
What Is L-Tyrosine?

L-Tyrosine, a non-essential amino acid synthesized from another amino acid phenyl alanine, is a direct precursor to Thyroxine, a primary thyroid hormone, as well as Adrenaline and Nor-adrenaline. Thyroxine has been found to increase metabolic rate and control growth rate. L-Tyrosine is a necessary amino acid in the production of neurotransmitters including epinephrine, norepinephrine, and dopamine. L-Tyrosine also appears to have a mild stimulatory effect on the central nervous system. L-Tyrosine has been found to assist in optimizing thyroid hormone levels, increased mood, concentration, and productivity.

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