NOW Foods L-Tyrosine 500mg (120cap)

L-Tyrosine is a non-essential amino acid that comes from the amino acid phenylalanine. It is converted into dopamine and norepinephrine and found in nuts, fish, and poultry. Supplementation with both tyrosine and phenylalanine leads to alertness and mental arousal. It may also have a positive effect on your mood. Tyrosine deficiency is thought to be …

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