L-Tyrosine

Also known as: tyrosine, NALT, N-acetyl L-tyrosine

AAdequate Evidence2 studies referenced

Common dosage

500-2000mg

Description

Dopamine and norepinephrine precursor that supports focus and stress resilience, especially under sleep deprivation or acute stress.

Safety & interactions

Take on empty stomach. Not recommended with MAOIs or thyroid issues.

Check all interactions →

Protocols featuring L-Tyrosine

Pre-Workout ProtocolSStrong Evidence

Focus & Productivity StackAAdequate Evidence

Studies on L-Tyrosine (2)

Effect of tyrosine supplementation on clinical and healthy populations under stress or cognitive demands

Jongkees BJ, et al. (2015) · J Psychiatr Res · n=600

Meta-analysisPubMed

Tyrosine supplementation mitigates working memory decrements during cold exposure

O'Brien C, et al. (2007) · Physiol Behav · n=8

RCTPubMed

Health domains

Cognitive performance Stress management

ProtocolEngine provides general health information based on published research. This is not medical advice. Consult a healthcare professional before starting any supplement or health protocol.