L-Tyrosineand Mental Energy.
Evidence gradeB
ImpactModerate
Confidencemedium
Imported rating. This grade comes from SuppCo and has not been independently reviewed. It describes research, not a product, and it is not medical advice.
The rating
- Direction
- Favourable
- Rated by
- SuppCo
- Observed
- 28 September 2026
Studies behind it
Effect of tyrosine supplementation on clinical and healthy populations under stress or cognitive demands--A review.B. Jongkees · Journal of psychiatric research2015Food for creativity: tyrosine promotes deep thinkingL. Colzato · Psychological Research2014Effects of acute caffeine, theanine and tyrosine supplementation on mental and physical performance in athletesJ. Zaragoza · Journal of the International Society of Sports Nutrition2019