The nutrition section

Nutrition

Calculators for energy needs, macros and body composition, plus quick food-reference tables, with every formula cited to its published source.

Your daily targets

No target set yet. Estimate your maintenance calories once (Mifflin-St Jeor) and this section leads with your numbers.

Sex
Unit system

2,711 kcal/day maintenance

Sets protein at 1.8 g/kg and fat at 25% of calories. Tune the split, compare formulas or track the number over time on the full TDEE calculator.

  • Nutrition calculators

    All 17 nutrition calculators, every formula cited to its published source.

    All cited

Food reference

4 tables

Quick, bookmarkable tables (protein content, calories and portion sizes for common foods) to pair with the calculators above.

Eating on GLP-1 medication

5 guides · Start with the section overview →

Semaglutide, tirzepatide and the rest solve the intake problem and create a nutrition one. What to eat when appetite collapses, the appetite and digestion changes to expect, keeping muscle while the weight comes off, and what each medicine changes about how you eat.