Arginineand Physical Energy.
Evidence gradeC
ImpactSmall
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
Effects of Arginine Supplementation on Athletic Performance Based on Energy Metabolism: A Systematic Review and Meta-AnalysisAitor Viribay · Nutrients2020Effects of Chronic Supplementation of L-Arginine on Physical Fitness in Water Polo PlayersJ. Gambardella · Oxidative Medicine and Cellular Longevity2021Effects of Arginine-Based Supplements on the Physical Working Capacity at the Fatigue ThresholdC. Camic · Journal of Strength and Conditioning Research2010