Calorie deficit
A calorie deficit occurs when you eat fewer calories than you burn (TDEE), a necessary condition to lose weight.
In practice
A moderate, gradual deficit is more sustainable and helps preserve muscle mass, especially when combined with weight training and adequate protein.
For information only
Results are estimates based on general formulas and do not replace the advice of a doctor, dietitian or qualified professional. They are not a diagnosis or treatment. If you have a medical condition, are pregnant or have doubts, talk to a professional before changing your diet or training.
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Frequently asked questions
What is Calorie deficit?
A calorie deficit occurs when you eat fewer calories than you burn (TDEE), a necessary condition to lose weight. A moderate, gradual deficit is more sustainable and helps preserve muscle mass, especially when combined with weight training and adequate protein.
Can you give a practical example of Calorie deficit?
With a TDEE of 2500 kcal, eating 2000 creates a 500 kcal daily deficit: about 3500 kcal a week, in theory half a kilo of fat (in practice it varies).
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