Caffeineand Mental Energy.
Evidence gradeA
ImpactStrong
Confidencehigh
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
Mental Performance and Sport: Caffeine and Co-consumed Bioactive IngredientsD. Kennedy · Sports Medicine (Auckland, N.z.)2022Effects of caffeine ingestion on endurance performance in mentally fatigued individualsR. Azevedo · European Journal of Applied Physiology2016A review of caffeine’s effects on cognitive, physical and occupational performanceT. Mclellan · Neuroscience & Biobehavioral Reviews2016