L-Tyrosine
An amino acid precursor to dopamine/noradrenaline, used for focus under stress.
Educational only — not medical advice. BodEvo summarizes research cautiously and labels estimates as estimates. Talk to a physician or registered dietitian before starting any supplement, diet, or training program.
What the evidence says
May support focus when neurotransmitters are depleted by stress; limited benefit when well-rested.
Typical dose & timing
Dose: 500–2,000 mg pre-workout.
Timing: Pre-workout or before demanding tasks.
Role in a stack
Focus ingredient in pre-workouts.
Redundancy check: Redundant across multiple focus ingredients.
Cautions & safety
Benefits show mainly under stress/sleep deprivation, not at baseline.
Generally well tolerated. Educational only.
Best for
focus during stress/fatigue · stim stacks
Use it in the app: open the Supplement Library and Stack Builder — free, local-first, no account required.