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.
Every L-Tyrosine (Performance) product we have scored
| # | Product | Score | Per serving |
|---|---|---|---|
| 1 | Pure Encapsulations Cognitive Aminos | 91 A | $0.98 |
| 2 | Thorne Thyroid Health Complex | 90 A | $0.33 |
| 3 | Transparent Labs BULK Pre-Workout | 90 A | $1.67 |
| 4 | Pure Encapsulations Iodine and Tyrosine | 90 A | $0.33 |
| 5 | Life Extension Thyroid Support Complex | 90 A | $0.90 |
| 6 | Thorne Emotion Balance Support | 87 A | $1.05 |
| 7 | Pure Encapsulations L-Tyrosine | 87 A | $0.38 |
| 8 | Nutricost L-Tyrosine Capsules | 87 A | $0.09 |
| 9 | Momentous Tyrosine | 87 A | $0.33 |
| 10 | Jarrow Formulas L-Tyrosine (2-Pack) | 87 A | $0.16 |
| 11 | Pure Encapsulations Emotional Wellness | 86 A- | $1.29 |
| 12 | Pure Encapsulations Thyroid Support Complex | 86 A- | $1.25 |
Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.
Common questions
How much L-Tyrosine (Performance) should I take?
The typical range is 500-2000mg. Use during demanding periods
When should I take L-Tyrosine (Performance)?
30-60 min pre-workout. Empty stomach preferred.
Which form of L-Tyrosine (Performance) is best?
Powder — Flexible. Other forms in the catalog: Capsule.
Is L-Tyrosine (Performance) safe?
Commonly reported: Headache, GI upset, Anxiety. Serious warnings: May raise blood pressure. No concerns
Which L-Tyrosine (Performance) supplement scores highest?
Pure Encapsulations Cognitive Aminos, at 91/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.
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.