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
Free tracker included with every download this week
Does Hypnotherapy Really Work for Weight Loss?
Hypnotherapy is sometimes promoted as a weight loss solution, but the evidence for its effectiveness is limited. While some people report modest benefits, there is no robust clinical evidence that hypnotherapy produces significant or sustained weight loss compared to other approaches. For weight management in the UK, evidence-based methods—including lifestyle changes, prescription medication where appropriate, and professional support—are more reliably supported by research and NHS guidance.
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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 the Research Actually Shows About Hypnotherapy and Weight Loss
Clinical trials on hypnotherapy for weight loss show mixed and generally modest results. Most studies involve small sample sizes, short follow-up periods, and lack proper control groups. A 2021 systematic review found that hypnotherapy may produce weight loss comparable to other behavioural interventions, but not superior to them. The average weight loss reported across studies is typically 0.5–2 kg—often less than what participants achieve through standard lifestyle changes alone.
The challenge with hypnotherapy research is that any weight loss observed may result from the attention and encouragement received during sessions, rather than from hypnosis itself. When compared against placebo or standard advice, hypnotherapy shows minimal additional benefit. For sustainable weight management in the UK, NICE and NHS guidance emphasise calorie reduction, physical activity, and behavioural support—not hypnotherapy as a primary intervention.
If you want to check your current weight status, use our free BMI calculator above to see where you stand against NHS healthy weight ranges.
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.
Evidence-Based Alternatives for Weight Loss in the UK
For genuine, sustained weight loss, the UK National Health Service recommends a combination of reduced calorie intake, increased physical activity, and behavioural change. GLP-1 weight loss injections like Mounjaro and Wegovy have strong clinical evidence—STEP and SURMOUNT trials showed average weight loss of 14–21% of body weight when combined with lifestyle changes.
Prescription weight loss medication requires clinical assessment and is available through NHS weight management services or private prescribing. Our GLP-1 weight loss calculator can help you understand potential outcomes with evidence-based medication. For weight loss uk approaches, focus on what research actually supports: structured diet, exercise, and when appropriate, prescription treatment guided by your GP.
- 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 hypnotherapy help you lose weight at all?
Some people report modest weight loss after hypnotherapy, but clinical evidence does not show it works better than standard advice or other behavioural approaches. Any benefit is typically small (under 2 kg) and may reflect the attention and support received during sessions rather than hypnosis itself. For reliable weight loss, evidence-based methods are more effective.
Why don't hypnotherapists recommend it for weight loss?
Responsible hypnotherapists often acknowledge that hypnotherapy is not a primary weight loss tool. It may support motivation or reduce stress eating in some cases, but cannot replace calorie reduction and physical activity. Professional bodies do not position hypnotherapy as a standalone weight loss treatment.
How does GLP-1 weight loss medication compare?
GLP-1 medications like Wegovy have clinical trial evidence showing average weight loss of 14–21% of body weight. This is substantially more than typical hypnotherapy results. Prescription weight loss medication works by reducing appetite and supporting calorie reduction—mechanisms supported by robust clinical data and NHS approval.
Should I try hypnotherapy alongside diet and exercise?
If you find hypnotherapy helps with stress or motivation, it may complement your weight loss efforts. However, prioritise proven methods: calorie deficit, physical activity, and if eligible, prescription medication assessed by your GP. Use our free progress tracker to monitor real results from evidence-based approaches.
What's the NHS position on hypnotherapy for weight loss?
NHS weight management services focus on evidence-based interventions: structured diet, physical activity, behavioural support, and prescription medication where appropriate (through tier 3 specialist services). Hypnotherapy is not included in standard NHS weight management pathways due to limited evidence of effectiveness.
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.