Acute L-arginine supplementation reduces the O2 cost of moderate-intensity exercise and enhances high-intensity exercise tolerance
Notes for this study:
Notes for this study:
| Effect | Decrease |
| Trial Design | doubleblind |
| Trial Length | 1week |
| Number of Subjects | 9 |
| Gender | m |
Supplemental arginine for 3 days at 6g, relative to placebo, was able to enhance nitric oxide production and decrease oxygen consumption (7%) while improving time to exhaustion (24.8%) in otherwise healthy men.
| Effect | None |
| Trial Design | Double blind |
| Trial Length | 2-4 Weeks |
| Number of Subjects | 30 |
| Gender | Male |
| Age Range | 18-29, 30-44 |
| Body Types | Trained, Average |
4 weeks supplementation of L-arginine L-asparate (2.8-4.7g arginine) has failed to modify physical performance or any measured endocrine parameter in otherwise trained athletes.