Exercise Supplements Useful to Men
Caffeine and ephedrine supplements could help soldiers tap their deepest reserves of strength, according to researchers who say that giving the drugs to troops could be ethically sound even though giving them to athletes is not. Men who used caffeine and ephedrine increased their performance in bursts of powerful effort.
Ephedrine appeared to increase the ability of nerves to call on muscles to perform while caffeine seemed to increase the abilities of the muscles themselves to do the work. The results for caffeine seemed to be better supported than those of ephedrine. Other researchers have found that caffeine enhances aerobic endurance. However not much is known about ephedrine in this aspect.
In the study, 24 volunteers whose average age was 32 underwent tests of their anaerobic performance. In one part of the experiment, 16 men were tested to see how much power their muscles could generate in 30 seconds or less against heavy resistance on a stationary bike. Another eight men biked in a separate but also very taxing test of two minutes or more. Researchers then measured chemicals in their exhaled breaths to assess their metabolic capacity for anaerobic work.
Men in both types of activity were given capsules of caffeine, ephedrine, both or placebos. In the 30-second bike test, the administration of ephedrine produced an increase in power compared with the fake drug. The gain came only in the first 10 seconds and was only 1.5 percent greater. In the longer anaerobic test, caffeine combined with ephedrine produced an increase of about 7 percent in the ability to do work.
As for whether the findings would encourage athletes to use ephedrine or caffeine, the sad reality is that most already do. Ephedrine especially is used by body builders who are trying to raise their metabolic rates, burning more fat to get more muscle definition, according to Medicine and Science in Sports and Exercise.
Information provided is courtesy of and compiled by the Academy of Anti-Aging Research.
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