Source Naturals, L-Tyrosine, 500 mg, 100 Tablets
Source Naturals · 100 tablets · Tablets
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Iherb
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Product description
Dietary SupplementFree FormAmino AcidL-Tyrosine is a free-form amino acid which crosses the blood-brain barrier. It is a precursor for the motivational neurotransmitters dopamine, norepinephrine, and epinephrine, as well as for thyroid hormones and enkephalins, important peptides which ease messages of physical discomfort. L-Tyrosine is also a constituent of amino sugars (glycosaminoglycans), which play a role in numerous biological functions.
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Price history
Best price so far: £12.07 at Iherb on 22 Jul 2026