Source Naturals L-Tyrosine Free-Form Powder Description
L-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, as well as for thyroid hormones and enkephalins, special peptides that subdue messages of physical discomfort. Tyrosine is also a constituent of amino sugars (glycosaminoglycans), special compounds which have important roles throughout the body.
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These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.