May 12 2009

Creatine and caffeine for performance

Thousands of companies battle over the $20-billion U.S. dietary supplement industry every day, trying to turn profit by selling vitamins, minerals, botanicals, meal replacement supplements and various sports nutrition products. With all the money exchanging hands, from research and development to overly hyped-up advertising, it’s often hard for the average bodybuilder to separate fact from fiction. Looking at clinical evidence, conclusions based on scientific observation, as well as anecdotal reports from trained athletes, two over-the-counter supplements consistently come ahead of all others: creatine and caffeine. Continue reading


Mar 19 2008

Caffeine enhances testosterone during exercise

Hard physical training requires massive amounts of energy and sustained mental focus. has been employed as an in athletics for many years – from recreational bodybuilders to competitive athletes. The substance positively affects time-to-exhaustion and endurance-training potential. Caffeine has a large number of reported physiological benefits to athletes; such as greater muscle contractions from antagonistic actions on adenosine receptors, delayed fatigue by stimulating the central nervous system, direct neuro-endocrine activation and direct actions on skeletal muscle function. It has been shown to support endurance athletes engaged in strenuous cycling, running and swimming. Caffeine has also been shown to improve performances in intermittent high-intensity team sports.
Continue reading


Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License.