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The 'afterburn' effect - how big is it really

The 'afterburn' effect - how big is it really

EPOC, the 'afterburn' after exercise, is real but small - about 6-15% of the calories you burned during the workout, often under 100 kcal. It is not a magic extra burn that pays for a heavy meal.

13 Jul 2026 · Burnie Academy
epoc exercise-burn weight-loss-myths

You finished a hard workout, and you can feel your heart still racing. Someone told you that your body keeps burning extra calories for hours after exercise - a magic 'afterburn' that melts fat while you sleep. It sounds amazing. But how big is it really? Let us look at the honest number, because it is much smaller than most people think.

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