Andrew Huberman· PhD
if you want to increase alertness and focus caffeine is a potent way to do that
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
if you want to increase alertness and focus caffeine is a potent way to do that
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when you take caffeine in pill form it tends to have a much more potent and long lasting effect than when you take caffeine in the form of coffee or tea it's actually a world apart in terms of its effects
even 100 milligrams of caffeine in tablet form I suppose it could be in capsule form as well but in its pure form leads to much greater enhancement of alertness and focus then does often the comparable amount or even twice the amount of caffeine contained in coffee or tea