Nutrition
Metabolic Adaptation
Metabolic adaptation lowers energy expenditure during long cuts—plateaus are normal. Diet breaks, refeeds, and protein help without abandoning structure.
Metabolic adaptation is the body's downward adjustment of energy expenditure during prolonged calorie deficit—lower NEAT, hormonal shifts, and perceived fatigue—not a broken metabolism. Weight loss plateaus are expected; reverse dieting, diet breaks, or refeeds can ease adaptation while keeping protein and resistance training high.
Aggressive deficits accelerate adaptation and muscle risk.
Common questions
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Does metabolic adaptation mean your metabolism is damaged?
It is a normal compensatory response, not permanent damage. Strategic diet breaks and maintaining NEAT help more than extreme further restriction.
Related terms
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