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Science Jun 3, 2026 · 7 min read

Adaptive TDEE: why your calorie target should move

Your metabolism isn’t a fixed number. Here’s how Delta learns your real energy expenditure from your own data.

Calorie calculators give you a starting estimate — but your body is the only accurate calculator.

Learning from the trend

By comparing your intake to your weight trend over time, Delta refines your true maintenance calories and keeps your targets honest.

Put it into practice with Delta

Track your food and training in one app — free to start.