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Does drinking water really speed up your metabolism?

Does drinking water really speed up your metabolism?

Drinking water lifts your metabolism a little — the most hopeful study says about 96 extra kcal a day if you drink 2 litres, but much of that is just your body warming the water. It is a small nudge, not a fat-burning trick, so drink water to feel full and stay sharp, not to burn fat.

12 Jul 2026 · Burnie Academy
water metabolism myths hydration

You have heard it a hundred times. Drink lots of water, and your metabolism fires up. The idea feels lovely — sip water, melt fat. So does it work? Yes, a little. But the effect is small, and most of it is just your body warming the water. Here is the honest, number-checked version.

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