Caffeineand Physical 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
A review of caffeine’s effects on cognitive, physical and occupational performanceT. Mclellan · Neuroscience & Biobehavioral Reviews2016Caffeine effects on systemic metabolism, oxidative-inflammatory pathways, and exercise performance.R. Barcelos · Nutrition research2020Effects of caffeine supplementation on physical performance and mood dimensions in elite and trained-recreational athletesPablo Jodra · Journal of the International Society of Sports Nutrition2020