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

L-Tyrosoine 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 enkephaline, special peptides which subdue messages of physical discomfort. L-Tyrosine is also a precursor for the protective skin pigment melanin.

L-Tyrosoine 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 enkephaline, special peptides which subdue messages of physical discomfort. Suggested Use: 1 tablet daily. Contains no yeast, dairy, gluten, egg, soy or wheat. Contains no sugar, starch, preservatives, or artificial color, flavor or fragrance. Manufactured in the USA. Manufactured in Scotts Valley, CA, under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration. (FDA)