JISSN

Caffeine’s Placebo Effect on Performance

September 27, 2010 / 2 minutes of reading

Caffeine is one of the oldest performance-enhancing aids around.  According to the summary article on caffeine by the JISSN, it: enhances performance when consumed in doses of about 3-6 mg per kilogram bodyweight (more isn’t better) has a greater performance-enhancing effect when consumed by pill vs. liquid (coffee for instance) keeps you mentally alert (it’s the most widely used CNS stimulant in the world) benefits sustained maximal endurance exercise as well as run and stop type intermittent exercise (soccer for …

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Caffeine Boosts Performance

May 26, 2010 / 2 minutes of reading

There’s a reason people shy away from “decaf”. Many of us, myself included, are looking for that immediate mental boost that comes from taking caffeine, the most widely consumed, legal psychoactive agent in the world. So how does caffeine work and what does it do? Within 45 minutes after ingestion, caffeine is completely absorbed. It binds to the receptor site for the neurotransmitter adenosine. By doing so, less adenosine binds to these sites thereby decreasing adenosine activity. This decrease in adenosine …

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