Source Naturals, L-Tyrosine, 500 mg, 100 Tablets

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Source Naturals, L-Tyrosine, 500 mg, 100 Tablets

Source Naturals

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Dietary Supplement Free Form Amino AcidL-Tyrosine is a free-form amino acid which rapidly crosses the blood-brain barrier. It is a precursor for the neurotransmitters dopamine, norepinephrine, and epinephrine, for thyroid hormones, and for enkephalins, special peptides which subdue messages of physical discomfort. L-Tyrosine is also a precursor for the protective skin pigment melanin.