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You crack an energy drink and brace for a jolt. Hidden beneath the caffeine and fizz is taurine—the molecule that, paradoxically, tends to quiet nerves, steady...

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You swallow the scoop and, within minutes, your skin prickles. The odd thing about beta-alanine is that you can feel it today—but its real work shows up weeks...

Creatine
A French chemist boiled beef in the 1830s and pulled out a crystal he named after κρέας—meat. Nearly two centuries later, the same molecule is helping...
