Performance
L-Tyrosine (Performance)
Also known as: L-Tyrosine
Dopamine precursor for focus and stress resilience during exercise.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Daily target & upper limit
1000 mg / dayL-Tyrosine (Performance) has an established daily reference intake. See best forms, label synonyms, upper-limit warnings, and top-scoring supplements:
L-Tyrosine (Performance) dosage reference →Primary uses
- Focus
- Stress resilience
- Cognitive performance
How it works
- Precursor to dopamine, norepinephrine
- Supports catecholamines under stress
- Enhances focus
Dosage
- Typical range
- 500-2000mg
- Timing
- 30-60 min pre-workout
- With food
- Empty stomach preferred
- Duration
- Use during demanding periods
- Special populations
- Demanding training, sleep deprivation
Forms
- Powder
- Capsule
Safety
Common side effects
- Headache
- GI upset
- Anxiety
Contraindications
- Hyperthyroidism
- MAOIs
Products containing L-Tyrosine (Performance)
Top-scoring supplements in our catalog that list L-Tyrosine (Performance) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
Evidence notes
Good evidence for stress and cognitive performance
Grade B: Some human trials support key claims; further confirmation needed.
Related in Performance
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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.