L-Tyrosine
Moderate study situation·7/10
A higher score indicates better study conditions, but not necessarily effectiveness.
A non-essential amino acid used to support cognitive function and stress resilience.
dose range
500–2000 mg
1-2 times daily or before stress/cognitive demand
Consumption
For acute support, take 30–60 minutes before stressful or cognitively demanding activities, preferably on an empty stomach.
Not fat-soluble.
Best time
Taking with food may reduce absorption.
Description
L-Tyrosine is a conditionally essential amino acid that serves as a precursor to neurotransmitters such as dopamine and norepinephrine. It is commonly supplemented to enhance cognitive performance in stressful or high-demand situations.
benefits
Main effects with level of evidence
Moderate
Note on evidence
Evidence supports cognitive benefits in stressful conditions, but routine daily enhancement claims have less robust backing.
Supports cognitive performance under stress
ModerateSupplementing with L-Tyrosine may help maintain working memory and attention during acute physical or psychological stress.
Particularly relevant for: Cognitive Enhancement · Stress Relief
examine-ltyrosine · Examine.com - L-Tyrosinepubmed-hogervorst2019 · Hogervorst, E. et al., Tyrosine supplementation and cognitive performance: a review, Nutrients, 2019pubmed-nery2012 · Nery, C. et al., Effect of L-tyrosine on cognitive performance under stress: Systematic review, CNS & Neurological Disorders Drug Targets, 2012
May support mood and emotional resilience
LimitedAs a precursor to catecholamines, L-Tyrosine supplementation may support neurotransmitter synthesis and mood during periods of depletion.
Particularly relevant for: Depression / Mood Enhancement
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This information is for educational purposes only and does not replace medical advice.