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Do juice cleanses really melt fat? The honest truth

Do juice cleanses really melt fat? The honest truth

A juice cleanse drops the scale fast, but that quick weight is water and some muscle, not fat. The juice itself carries real sugar calories, so you may lose little true fat.

12 Jul 2026 · Burnie Academy
juice-cleanse myths water-weight fat-loss

Drink only fruit and veg juices for 3 to 7 days and you will burn off real fat fast.

mostly false

Mostly false. The number on the scale drops quickly, but most of that lost weight is water tied up with stored carbs (glycogen), plus some lean muscle. Burning 1 kg of real body fat needs about a 7700 kcal deficit, and a juice day still gives you sugar calories, so true fat loss is small.

Sources: Wikipedia - Glycogen · Wishnofsky 1960 - Caloric Equivalents of Gained or Lost Weight (JAMA)
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