The UK's most complete GLP-1 guide
Every Question Answered. Every Side Effect Explained.
- How GLP-1 medications work
- Mounjaro vs Wegovy compared
- Injection instructions
- Side effects & solutions
- What to eat on treatment
- FAQs answered
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Does Weight Loss Hypnosis Actually Work?
Weight loss hypnosis is a popular approach many people explore, but the evidence for its effectiveness is limited. Hypnotherapy may help some people change eating behaviours and reduce cravings, but it's not a standalone solution for significant weight management in the UK. If you're serious about losing weight, prescription weight management options, lifestyle changes, and NHS guidance offer more robust evidence-based results. Let's explore what the science actually says about hypnosis, and what alternatives might work better for you.
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Calculate Your BMI Instantly
Enter your height and weight below. Supports both imperial (stone & lbs) and metric (kg). Results include NHS category, healthy weight range, and ethnicity adjustments.
What Is BMI and Why Does It Matter?
Body Mass Index (BMI) is the most widely used screening tool for assessing whether your weight falls within a healthy range. Used by the NHS, GPs, and weight management services across the UK, BMI provides a quick snapshot of your weight relative to your height. The formula is simple: your weight in kilograms divided by your height in metres squared (kg/m²).
While BMI isn't a perfect measure — it doesn't account for muscle mass, bone density, or fat distribution — it remains the standard first step in identifying potential weight-related health risks including type 2 diabetes, cardiovascular disease, high blood pressure, and certain cancers.
The NHS also recommends adjusted thresholds for people of South Asian, Chinese, or Black African heritage — a BMI of 23 or above is classified as overweight, and 27.5 as obese. Our calculator includes this adjustment as a one-click toggle.
What Does the Evidence Say About Hypnosis for Weight Loss?
Clinical evidence for weight loss hypnosis is mixed and limited. Most studies show modest results at best, typically 1–3 kg weight loss over several weeks — far less than what lifestyle changes or prescription medications achieve. A 2020 review found that hypnotherapy alone is not significantly more effective than standard behavioural support for weight loss. The British Psychological Society notes that hypnosis may help with motivation and cravings, but works best as part of a broader weight management programme, not as a standalone treatment.
- Hypnosis may reduce food cravings and emotional eating for some people
- Individual response varies widely — it doesn't work equally for everyone
- Results are usually modest without concurrent lifestyle changes
- NHS does not routinely offer hypnotherapy as a weight loss treatment
- Some private practitioners offer hypnosis for weight loss, but credentials vary
If you're looking for evidence-backed weight loss approaches in the UK, prescription weight management through your GP, GLP-1 weight loss injections, or NHS Weight Loss Plan typically deliver more measurable results alongside diet and exercise changes.
Clinically BackedWeight Loss
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How It Works
Three simple steps to understand your weight and take action.
Enter your height and weight in our free calculator. Get your BMI, NHS category, healthy weight range, and ethnicity-adjusted thresholds instantly.
If your BMI suggests you're overweight or obese, explore our GLP-1 calculators to project potential weight loss on Mounjaro or Wegovy.
Use our progress tracker to log your weight weekly, visualise your journey with charts, and stay motivated — all stored privately in your browser.
Free Weight Loss Tools & Guides
Everything you need to understand your weight, explore medication options, and track your progress — completely free.
How Does Hypnotherapy Compare to Prescription Weight Loss Options?
Unlike hypnosis, prescription weight loss medications have strong clinical evidence. GLP-1 injections like Wegovy (semaglutide) showed 14.9% average body weight loss in clinical trials — significantly more substantial than hypnosis. Prescription weight management in the UK requires a clinical assessment from a GP or licensed prescriber, and you receive personalised support. Hypnosis costs vary widely (£40–£200+ per session privately) with no NHS coverage, whilst prescription options may be available through NHS specialist services or registered online pharmacies. For sustainable weight management in the UK, combining evidence-based approaches — diet, activity, and where appropriate, prescription medication — works better than hypnosis alone. Our free GLP-1 weight loss calculator can help you explore potential outcomes with prescription medication, whilst your GP can discuss which approach suits your individual circumstances.
- Dual GIP/GLP-1 receptor agonist
- Up to 22.5% body weight loss (SURMOUNT-1)
- Weekly injection, dose escalation over 20+ weeks
- Available via private prescription in the UK
- Doses: 2.5mg → 5mg → 7.5mg → 10mg → 12.5mg → 15mg
- GLP-1 receptor agonist
- Up to 15–17% body weight loss (STEP trials)
- Weekly injection, 5-step dose escalation
- NHS & private prescription available
- Doses: 0.25mg → 0.5mg → 1mg → 1.7mg → 2.4mg
Mounjaro vs Wegovy: Head-to-Head
A side-by-side comparison of the two most popular GLP-1 weight loss medications available in the UK.
| Feature | Mounjaro | Wegovy |
|---|---|---|
| Drug class | Dual GIP/GLP-1 agonist | GLP-1 agonist |
| Active ingredient | Tirzepatide | Semaglutide |
| Avg. weight loss | 15–22.5% | 12–17% |
| Key trial | SURMOUNT-1 (2022) | STEP 1 (2021) |
| Max dose | 15 mg weekly | 2.4 mg weekly |
| Escalation period | 20–32 weeks | 16–20 weeks |
| Administration | Weekly injection (pen) | Weekly injection (pen) |
| NHS availability | Private prescription only | NHS & private |
| Approx. private cost | £150–£250/month | £150–£300/month |
| Common side effects | Nausea, diarrhoea, constipation | Nausea, vomiting, diarrhoea |
Data sourced from SURMOUNT-1 and STEP 1 clinical trials. Costs are approximate and vary by provider. Always consult a prescriber.
Am I Eligible for Weight Loss Medication?
In the UK, eligibility for GLP-1 weight loss medications like Mounjaro and Wegovy is based on your BMI and overall health profile.
- BMI of 30 or above (obese)
- Age 18 or over
- No contraindicated conditions
- Committed to lifestyle changes
- BMI of 27 or above
- Plus type 2 diabetes
- Or high blood pressure
- Or obstructive sleep apnoea
Use our BMI calculator to check whether your BMI falls within the eligible range.
How We Built These Tools
Every calculator and guide on myweightcheck is built with accuracy and transparency in mind. Our BMI calculator uses the standard WHO formula with NHS-aligned category thresholds. Our GLP-1 projections are modelled on published clinical trial data from SURMOUNT and STEP studies.
All data stays on your device. We don't require sign-ups, and we don't store your health information on any server. Your progress tracker saves data locally in your browser using localStorage, so only you can see it.
We're based in the UK and our tools are designed specifically for UK users — supporting stone & lbs by default, referencing NHS guidelines, using NICE-approved medication data, and linking to GPhC-registered pharmacies.
Frequently Asked Questions
Common questions about BMI, weight loss medications, and our free UK tools.
Can hypnosis help me lose weight on the NHS?
No — hypnotherapy for weight loss is not routinely available on the NHS for weight management specifically. Your GP can refer you to tier 3 specialist weight management services, which typically use evidence-based behavioural support, diet plans, and prescription medications. Private hypnosis is available, but evidence is limited and costs vary.
How much weight can you lose with hypnosis?
Evidence suggests most people lose 1–3 kg with hypnotherapy over several weeks — modest compared to other approaches. Results vary widely between individuals. Without concurrent lifestyle changes (diet and activity), weight loss is even more limited. Prescription weight loss medication shows more consistent, larger outcomes in clinical trials.
Is weight loss hypnosis worth the cost in the UK?
If you're looking for significant, measurable weight loss, prescription weight management and lifestyle changes offer stronger evidence. Hypnosis may support motivation and cravings as part of a broader programme, but alone it's unlikely to deliver substantial results. NHS weight management services are free through your GP.
What's more effective — hypnosis or GLP-1 weight loss injections?
GLP-1 injections (Wegovy, Mounjaro) have robust clinical trial evidence showing 15–clinically studied weight loss. Hypnosis shows modest results (1–3 kg). Both require commitment, but prescription medications are prescription-only and require clinical assessment. Use our BMI calculator to check your starting point and discuss options with your GP.
Can I use hypnosis alongside prescription weight loss medication?
Theoretically yes, but there's no evidence that combining them improves results. If you're prescribed weight loss medication, your prescriber will recommend diet and activity changes as the core support. Speak to your GP or prescriber if you're considering hypnotherapy alongside prescription treatment.
Ready to take control of your weight loss journey?
Start with a free BMI check, explore your GLP-1 options, or begin tracking your progress today. No sign-up. No cost. Just results.