JISM JISM
▸ Guide

Guides

Last updated: August 2, 2026

Reference pages explaining how the numbers behind a calorie target are actually derived — the equations, the limits, and a source for every claim. No calculators and no sign-up; these are here to be read.
  1. 01How your daily calories are calculatedMifflin-St Jeor, the activity ladder, and the 25% deficit cap.
  2. 02How much protein do you actually need?Grams per kilogram by goal, the ceilings, and what to multiply them by.
  3. 03Does exercise earn back calories?Why most calculators count your training twice.
  4. 04How fast can you safely lose weight?0.5 kg a week, and why the predicted finish date slips.
  5. 05What BMI tells you, and what it doesn'tWhat the index can screen for, and the three things it cannot see.
  6. 06How to split your calories into carbs and fatProtein first, fat floor, carbs absorb the rest.

Latest articles

All articles →

Try it on WhatsApp