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Twinlab L-Tyrosine

$7.39

The amino acid L-tyrosine is important for making the brain chemicals epinephrine, norepinephrine, and dopamine. Each capsule contains 500 mg.

Now Foods / Hc1177 L-Tyrosine

$6.99

L-Tyrosine is a non-essential amino acid that plays an important role in the production of neurotransmitters dopamine and norepinephrine. In addition, because L-Tyrosine is necessary for the synthesis of thyroid hormone and epinephrine (adrenaline),...

FoodScience of Vermont L-Tyrosine -- 500 mg - 60 Vegetarian Capsules

$6.10

Where Science and Nature Come Together®. A dietary supplement to support mood balance, stress management, and thyroid function.* Tyrosine is a precursor of adrenaline and the neurotransmitters, norepinephrine and dopamine, which regulate mood and...

Jarrow Formulas L-Tyrosine 500 -- 500 mg - 100 Capsules

$6.65

Pharmaceutical Grade. Free Form Amino Acid. Supports Synthesis of Brain Neurotransmitters. L-Tyrosine is utilized for the synthesis of catecholamine neurotransmitters, such as norepinephrine, epinephrine and dopamine. Jarrow Formulas® L-Tyrosine is...

Metagenics Lumina Designed to Support Dopamine Function - 60 Softgels

$55.25

Lumina is designed to support healthy mental function and relaxationissues related to proper focus attention learning and memorythrough modulating the metabolism of neurotransmitters such as dopamine gamma-aminobutyric acid GABA and...

Source Naturals L-Tyrosine 500 mg. - 100 Tablets

$6.58

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 and to enkephalins special peptides that subdue messages of physical discomfort....