Ephedra and Caffeine: No good for strength?

The Effect of Ephedra and Caffeine on Maximal Strength and Power in Resistance-Trained Athletes Journal of Strength and Conditioning Research:Volume 22(2)March 2008pp 464-470 Caffeine and ephedrine-related alkaloids recently have been removed from International Olympic Committee banned substances lists, whereas ephedrine itself is now permissible at urinary concentrations less than 10 μg·mL-1. The changes to the … Read more