amino acid
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
Evidence3 studies · 3 supporting · 0 against
7 safety notes
The raw material for dopamine. Under stress you burn through it, and topping up keeps focus from sliding.
Dose: 500–1000 mg