General Dosage
500-2,000 mg 30-60 minutes before a stressful or demanding task
Maximum dose: 12 g/day (150 mg/kg) has been used in military studies; 2 g/day is typical for supplements
L-Tyrosine Dosage Guide
This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer
Dosage Recommendations
General recommendation: 500-2,000 mg 30-60 minutes before a stressful or demanding task
Timing: Take 30-60 minutes before demanding tasks on an empty stomach for best brain uptake
Dosage by Condition
Acute stress performance
100-150 mg/kg body weightModerate
Daily nootropic use
500-1,000 mgEmerging
Pre-workout focus
1,000-2,000 mgEmerging
| Condition | Recommended Dose | Evidence |
|---|---|---|
| Acute stress performance | 100-150 mg/kg body weight | Moderate |
| Daily nootropic use | 500-1,000 mg | Emerging |
| Pre-workout focus | 1,000-2,000 mg | Emerging |
Upper limit: 12 g/day (150 mg/kg) has been used in military studies; 2 g/day is typical for supplements
Timing & Absorption
Take 30-60 minutes before demanding tasks on an empty stomach for best brain uptake
Can be taken with or without food.
References
- Mahoney CR, Castellani J, Kramer FM, et al. (2007). Tyrosine supplementation mitigates working memory decrements during cold exposure. Physiology & Behavior. DOI PubMed
- Jongkees BJ, Hommel B, Kühn S, Colzato LS (2015). Effect of tyrosine supplementation on clinical and healthy populations under stress or cognitive demands — a review. Journal of Psychiatric Research. DOI PubMed