Creatine: What Is It Actually Doing Inside Your Muscles?

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Creatine: What Is It Actually Doing Inside Your Muscles?

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Creatine is one of the most extensively studied supplements in sports nutrition, yet explanations of how it works are often surprisingly vague. Its primary role involves the phosphocreatine system and the rapid regeneration of ATP during high-intensity activity. That seemingly small biochemical advantage can influence repeated bouts of training and, over time, adaptations to resistance exercise. This episode explains creatine without the marketing mythology. We follow the molecule from muscle storage to actual performance.

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