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Slimming plans that promise the earth. Why the weight comes back and what holds instead

Willerby Nutrition
Updated on 25 October 2026, 2 min
Slimming plans that promise the earth. Why the weight comes back and what holds instead
Key points

Most slimming plans fail because they ask for changes nobody can keep up for long, so the old habits return the moment the plan ends, and the weight usually follows. The plan is the problem, not you. Once you see that, you can stop starting over.

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In this article
  1. The rebound in 4 stages
  2. Why strict rules backfire
  3. What the BDA suggests instead
  4. A test for any plan
  5. Breaking the cycle
  6. Support beats willpower
  7. Your own weight loss curve

The rebound in 4 stages

It usually goes like this. A strict plan begins with great energy. Early losses on the scales feel exciting, though much of it is water. Hunger and boredom build. A birthday, a holiday or a hard week breaks the rules, and the whole thing collapses. Then guilt sets up the next plan. Many people in Hessle and Hull have been round this loop more times than they can count.

Why strict rules backfire

  • They remove too much. Cutting out bread or all carbohydrate leaves you craving exactly that.
  • They skip meals. The NHS tips to help you lose weight warn against skipping meals and losing weight suddenly with diets, because you end up snacking more.
  • They have a finish line. When the plan ends, nothing replaces it.
  • They ignore your week. Shift patterns, children, a long commute on the A63. A plan written for nobody in particular fits nobody.

What the BDA suggests instead

The British Dietetic Association fact sheet on weight loss recommends lasting practical changes based on the Eatwell Guide and plainly advises avoiding fad diets, which it calls extreme, restrictive and hard to stick with. It also points out that small changes add up over a year. That is less exciting than a 2 week miracle, and far more likely to work.

A test for any plan

Before you start something new, ask yourself 3 things. Could I still eat like this in 12 months? Does it let me eat with family and friends? Does it include all the food groups? If any answer is no, it is a plan with a built-in end date. Our guide to first steps to eating well is a gentler place to begin.

Breaking the cycle

Pick 1 habit and keep it for a month. A real breakfast, a vegetable at every lunch, water instead of fizzy drinks. Then add the next. If you have bounced from plan to plan before, our article on how to stop yo-yo dieting is worth reading next.

Support beats willpower

Willerby Nutrition describes its mission as helping people in its local community to be healthier and happier. The approach is everyday habits, a breakfast taken at the club in the morning and daily follow-up from coaches trained in nutrition, rather than a plan with an end date. Your free assessment starts with how you actually live. If you have a health condition or take regular medication, ask your GP before changing the way you eat.

Your own weight loss curve

Type in your profile and the line redraws immediately.

You are
Best range, 0.5 to 1 kg per week Too quick, so muscle is lost Median curve The journey, plateaus and regains

At the middle pace, 8 kg comes off in about 11 weeks. At the gentlest pace you are looking at about 4 months.

The usual guide for weight loss that lasts is between 500 g and 1 kg per week, which forms the best band on the chart. Keep exceeding 1 kg per week and the body burns muscle nearly as much as fat. That is the striped band.

A rough projection only. Everyone follows their own path and results differ. Your device does the sums and nothing is stored or sent. At 65 or older, see your doctor first.

The way this curve is worked out

The zone tops out at 500 g every week, the gentlest pace, and bottoms out at 1 kg every week, the level where the risk starts.

Early weeks go quicker, largely because of water, and then things level off. After 40, the typical curve flattens gradually as metabolism slows. For similar effort, men tend to shed weight slightly sooner than women.

The journey curve includes flat spells lasting several days and slight regains, just like everyday life. It cannot tell you how yours will go.

These tips are general ones. They do not stand in for medical advice.

Further reading

For help from day to day, take a look at the healthy eating programme.