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Tyrosine is a non-essential amino acid the body makes from another amino acid called phenylalanine. It is a building block for several important brain chemicals called neurotransmitters, including epinephrine, norepinephrine, and dopamine. Neurotransmitters help nerve cells communicate and influence mood. It is involved in the structure of almost every protein in the body.
This amino acid helps to:
There is also some evidence that supplemental tyrosine improves physical performance under extreme environmental conditions and intense exercise.
Tyrosine is manufactured by extraction from vegetable protein into white crystals or a crystalline powder that is tasteless and odourless.