The Calorie Deficit Handbook: Find Your Number, Keep the Muscle

The last attempt didn't fail because it wasn't aggressive enough. It failed because it was too aggressive to survive a normal life.

A holiday, a bad week at work, a birthday — and a plan built on 1,200 calories and willpower doesn't come back from any of them. This is the other approach: a deficit small enough that you barely notice it, held for twelve weeks, with the arithmetic and the troubleshooting written down so you're not guessing when it stalls.

29 pages. One number, four habits, and a plan for the week something goes wrong.

What's inside

• Energy balance without the mythology — including a table showing exactly what keto, fasting, low fat and clean eating are all doing underneath. It's the same mechanism. You get to pick the version you can live with.
• A worksheet that gives you your starting number — resting rate, activity factor, and a deficit sized as a percentage rather than a guess. Four minutes with a calculator.
• The four levers that make a deficit tolerable — protein, food volume, fibre and liquid calories, in the order to install them.
• How to read the scale — why it swings two kilos in a day, what each cause is worth, and the weekly-average method that filters the noise out.
• Five plateau causes, ranked by likelihood — with the diagnostic to run before you cut anything. Most plateaus are not what people think they are.
• Keeping the muscle — the two non-negotiables that decide whether you lose fat or just lose weight.
• Stopping properly — diet breaks, the transition back to maintenance, and the warning signs that mean stop now.
• A twelve-week plan with a weekly tracker and four-week check-in questions.

What it doesn't do

It doesn't promise a number of kilos. At a sensible deficit, twelve weeks is roughly 4 to 6 kg for most people — not dramatic, and deliberately so. There are no crash phases, no sub-1,200-calorie targets, and no supplements. The largest deficit in this book is 20 percent, and there's a page explaining why anything past that is somebody else's job.

Who this is not for

Please don't buy this if you have a current or past eating disorder, or if you recognise this pattern: counting makes you anxious, a number on the scale changes your whole day, or restriction is followed by losing control. It's also not for you if you're underweight, pregnant, breastfeeding, under 18, or taking medication affected by a change in intake — including insulin. A deficit changes medication needs and that has to be managed by your doctor.

Goes well with

If you want the full nutrition picture rather than the fat-loss mechanics specifically, Lose Fat & Keep It Off: The Complete Nutrition System is the broader book. If hitting your protein target is the part that keeps slipping, The High-Protein Breakfast Blueprint fixes the meal where most people lose the most ground.

Instant download. PDF, 29 pages. Lifetime access. No equipment, no supplements required.

This guide is general information, not medical or dietetic advice.