Best time to take L-Tyrosine

Written to our editorial standards · reviewed against published research· Updated 2 Jun 2026
Morning, empty stomach, before demanding tasks

Take L-tyrosine in the morning on an empty stomach, 30 to 60 minutes before stressful or demanding work.

Tyrosine is the raw material for dopamine and noradrenaline, which get depleted under stress, so it is timed before mental load. It competes with food protein for absorption, so fasted is better.

When
Take in the morning
With food?
Empty stomach
Typical dose
500 mg
How to take it

Take 500 to 2000 mg about 30 to 60 minutes before a demanding task, away from protein.

Watch out

Take it earlier in the day to protect sleep.

Full guide
L-Tyrosine: benefits, dose & evidence
Read the ingredient guide →

Common questions

When is the best time to take L-Tyrosine?
Take L-tyrosine in the morning on an empty stomach, 30 to 60 minutes before stressful or demanding work. Take 500 to 2000 mg about 30 to 60 minutes before a demanding task, away from protein.
Should I take L-Tyrosine with or without food?
Empty stomach. Tyrosine is the raw material for dopamine and noradrenaline, which get depleted under stress, so it is timed before mental load. It competes with food protein for absorption, so fasted is better.
Anything to watch out for with L-Tyrosine timing?
Take it earlier in the day to protect sleep.

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Educational use only, not medical advice. The right timing and dose depend on your health, your other supplements, and any medications. Always consult a qualified clinician, especially if you take prescription drugs or are pregnant or nursing.