Effects of salbutamol and caffeine ingestion on exercise metabolism and performance.

@article{Collomp2002EffectsOS,
  title={Effects of salbutamol and caffeine ingestion on exercise metabolism and performance.},
  author={Katia Collomp and Robin Candau and Guillaume Y. Millet and Patrick Mucci and Fabio Borrani and Christian G. Prefaut and Jacques de Ceaurriz},
  journal={International journal of sports medicine},
  year={2002},
  volume={23 8},
  pages={
          549-54
        }
}
This study was designed to assess the effects of acute oral salbutamol and caffeine intake on performance and metabolism during short-term endurance exercise. Eight healthy volunteers participated in the double-blind placebo-controlled randomized cross-over study. Two 10 min cycling trials were performed at a power corresponding to 90 % VO 2 max for the first and a mock test for the second, separated by 10 min of passive recovery after ingestion of placebo (Pla), salbutamol (Sal, 6 mg) and… 
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TLDR
Caffeine can be used effectively as an ergogenic aid when taken in moderate doses, such as during sports when a small increase in endurance performance can lead to significant differences in placements as athletes are often separated by small margins.
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