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Tyrosine: An amino acid, one of the 20 building blocks of protein. A nonessential amino acid, tyrosine is produced from another amino acid, phenylalanine. Deficiency of the enzyme phenylalanine hydroxylase that catalyzes this reaction causes the genetic disease called phenylketonuria (PKU). Tyrosine is a precursor of thyroid hormones, catecholamines, and melanin. Symbol: Tyr.
Library > Literature & Language > Dictionary ( tī ' rə-sēn ' ) n. A white crystalline amino acid, C 9 H 11 NO 3 , that is obtained from the hydrolysis of proteins ...
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Tyrosine supplement benefit and side effects, what is the best way to use this amino acid? by Ray Sahelian, M.D. Available in 250 mg, 500 mg, and 750 mg pills.
Tyrosine – Improves Mood, Mental Ability and Sex Drive. Tyrosine supports and assists neurotransmitters in the brain. When the body is stressed out, aged, or tired the ...
Find patient medical information for TYROSINE on WebMD including its uses, effectiveness, side effects and safety, interactions, user ratings and products that have it.