amino_acid1 cited usesBest taken: morning
L-Tyrosine
A non-essential amino acid and precursor to catecholamine neurotransmitters (dopamine, norepinephrine, epinephrine). Supports cognitive performance under stress, focus, and alertness.
What it’s good for
L-Tyrosine for Lack of Focus
Not yet verified1 study · 0 supporting · 0 against
7 safety notes
L-tyrosine is the direct precursor to dopamine and norepinephrine via tyrosine hydroxylase. Under stressful conditions, catecholamine turnover increases and tyrosine supplementation prevents depletion, maintaining focused attention.
Dose: 500–1000 mg