What is BMR?

BMR (Basal Metabolic Rate) is the number of calories your body burns at complete rest to keep your organs running — about 60–70% of your total daily calorie burn.

BMR (Basal Metabolic Rate) is the number of calories your body burns at complete rest to keep your organs running — about 60–70% of your total daily calorie burn. BMR is calculated from weight, height, age, and sex. GLPeak uses the Mifflin-St Jeor equation, the most accurate published formula for most adults. BMR drops as you lose weight (a smaller body burns fewer calories at rest). That's the metabolic math behind most GLP-1 plateaus — what used to be a deficit becomes maintenance. BMR is not TDEE. TDEE = BMR × an activity factor. Use BMR for the floor and TDEE for actual calorie targets.

Related pages

• Metabolic calculator
• Ozempic plateau
• GLP-1 glossary

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