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HIIT - time-efficient, but not calorie magic

HIIT - time-efficient, but not calorie magic

HIIT burns about the same calories as moderate cardio in less time. The famous 24-hour afterburn is real but small, about 6-15% extra. Pick what you will stick with.

13 Jul 2026 · Burnie Academy
HIIT cardio calorie-burn exercise

You have seen the headlines. 'Burn fat for 24 hours with HIIT.' 'Just 4 minutes and your metabolism fires up.' It sounds amazing. But when scientists put high-intensity interval training (HIIT) next to normal steady cardio and counted the real calories, the story was much simpler. HIIT is not magic. It is a smart, time-saving way to move. Let us look at what really happens.

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