Amino acids

L-Tyrosine — timing, dose & interactions

Precursor of dopamine, noradrenaline and thyroid hormone. May help maintain working memory under acute stress or sleep loss.

Also known as NALT

Timing

When to take it

Empty stomach in the morning, or 30–60 min before a demanding task.

Interactions

L-Tyrosine with other supplements

No documented supplement interactions in our dataset.

Safety

Medications & health conditions

CautionAntidepressants or other serotonergic drugs

Tyrosine with MAO inhibitors. With MAOIs, tyrosine may contribute to dangerous blood pressure spikes. Avoid unless your doctor agrees.

Mechanism-based

Buying guide

What to look for on the label

  • L-Tyrosine

    • L-tyrosine (better absorbed than N-acetyl-L-tyrosine)

FAQ

Common questions

When is the best time to take L-Tyrosine?

On waking. Empty stomach in the morning, or 30–60 min before a demanding task.

Should L-Tyrosine be taken with food?

L-Tyrosine is best absorbed on an empty stomach. Empty stomach in the morning, or 30–60 min before a demanding task.

Sources

References

  1. 01Jongkees BJ et al. Effect of tyrosine supplementation on clinical and healthy populations under stress or cognitive demands — a review. J Psychiatr Res 2015.