L-tyrosine is a non-essential amino acid and a precursor to adrenaline, norepinepherine, dopamine and L-dopa. L-tyrosine is involved in the production of thyroid hormone and the skin pigment melanin.* Free form amino acid, high purity, well tolerated.
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Isabella Scott - 2024-03-03
Truly a step above the rest in terms of quality and service. The delivery was swift, and the product is worth every penny!