Creatine is the most-studied supplement in sports science, and also the most mythologized — kidney damage, mandatory loading phases, and cognitive miracle claims that don't survive a close read of the meta-analyses. A mechanistic look at the phosphocreatine system as a chemical capacitor, the real effect sizes from recent meta-analyses, why some people are non-responders, and what the cognition evidence actually supports.
Supplements
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Creatine, Honestly