Plan a temporary return to maintenance calories during a fat-loss phase, with break macros, duration, and a clear return-to-deficit structure.
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Scale weight increase during a diet break is primarily glycogen and water — not fat regain. Expect it to decrease again once you return to your deficit.
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Health & Nutrition
A diet break is a deliberate, temporary return to maintenance calories within a prolonged fat-loss phase. Unlike an unplanned overeating episode, a structured break is designed to partially restore suppressed hormones, improve diet adherence, and reduce the psychological burden of a continuous deficit.
Sustained calorie restriction reduces leptin and thyroid hormones, increases appetite-stimulating hormones like ghrelin, and may downregulate resting metabolic rate. Research from the CALERIE and MATADOR studies suggests that periodic maintenance breaks partially reverse these adaptations, potentially resulting in equivalent or greater fat loss over a longer timeline compared to uninterrupted restriction.
Most people see a 1–2 kg scale increase during a diet break. This is largely glycogen and water replenishment — not fat gain. When carbohydrate intake rises to maintenance level, muscle glycogen stores refill and bind water (roughly 3 g water per 1 g glycogen). The scale increase is real but temporary and expected to reverse once restriction resumes.
Frequently asked questions
Most practitioners recommend a 1–2 week break after every 8–12 weeks of consistent deficit. Very short diets (under 8 weeks) do not typically require a formal break, though personal preference applies.
No. A refeed is a single higher-calorie day (often carb-focused) within an otherwise intact deficit week. A diet break lasts 1–2 weeks at full maintenance calories and provides more complete hormonal and psychological recovery.
Related
These related calculators come from the same leaf category, nearby sibling categories, or the same top-level topic.
Estimate a daily calorie deficit and target intake for slow, moderate, or aggressive fat-loss pacing.
Estimate total daily energy expenditure from age, body size, sex, and activity level, then compare maintenance, cutting, and bulking calories.
Estimate a fat-loss calorie target, weekly progress, and a rough target-date timeline from your current and goal weight.
Build a week-by-week calorie increase schedule to move from a dieted-down intake back to maintenance while minimising fat regain.
