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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Is Cinnamon Good for Weight Loss?
Cinnamon is often promoted as a natural weight loss aid, but the scientific evidence for its effectiveness is limited. While some studies suggest cinnamon may have modest metabolic benefits, it is not a reliable weight loss solution on its own. For meaningful weight management in the UK, the NHS recommends a combination of calorie reduction, increased physical activity, and in some cases prescription weight loss medication. This guide explains what the evidence actually shows about cinnamon and how it compares to evidence-based weight management approaches.
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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 Cinnamon for Weight Loss?
Research into cinnamon and weight loss has produced mixed results. Some small studies suggest that cinnamon may slightly improve insulin sensitivity and reduce blood sugar spikes after meals, which could theoretically help with appetite control. However, these effects are modest and most studies involved very small sample sizes.
- A few studies showed participants consuming cinnamon lost slightly more weight than placebo — but the differences were typically under 1 kg over several weeks
- Cinnamon may help regulate blood sugar in people with type 2 diabetes, which can support weight management indirectly
- The active compound, cinnamaldehyde, is thought to increase fat oxidation and thermogenesis (calorie burning)
The reality is that cinnamon alone will not produce meaningful weight loss. It may provide a very small benefit as part of a broader lifestyle approach, but relying on cinnamon without addressing diet and activity levels is unlikely to work. For weight management in the UK, the NHS emphasises that sustainable loss requires a calorie deficit of approximately 500 kcal per day, which cinnamon cannot create on its own.
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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.
Effective Weight Loss Options in the UK
If you are overweight and seeking effective weight management, several evidence-based approaches have stronger scientific support than cinnamon alone. These include reducing calorie intake through dietary changes, increasing physical activity, and in some cases prescription weight loss medication.
- Lifestyle changes: The NHS recommends losing 0.5–1 kg per week through balanced diet and exercise
- NHS weight loss support: Free programmes and digital tools are available through primary care
- Prescription weight loss medication: For adults with a BMI of 30 or above, or 27 or above with weight-related health conditions, GLP-1 weight loss injections may be prescribed following clinical assessment
Calculate your BMI using our free tool above to understand whether you might be eligible for additional support. You can also use our GLP-1 weight loss calculator to explore how prescription weight loss medication may support your goals.
- 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 I lose weight by just taking cinnamon?
Cinnamon alone is unlikely to produce meaningful weight loss. While some research suggests modest metabolic effects, weight loss requires a calorie deficit. The NHS recommends combining dietary changes with physical activity. Cinnamon may be a helpful addition to a broader lifestyle approach, but it cannot replace diet and exercise.
How much cinnamon do I need to take for weight loss?
There is no established safe or effective dose of cinnamon for weight loss. Studies that showed any benefit typically used 1–6 grams per day, but results were minimal. High doses of cinnamon can be toxic to the liver. If considering cinnamon supplements, discuss this with your GP first.
Is cinnamon better than prescription weight loss medication?
No. Prescription weight loss medications like semaglutide (Wegovy) have strong clinical trial evidence showing average weight loss of around 15% of body weight. Cinnamon's effects are far more modest. These medications require a prescription and clinical assessment, and work best alongside diet and exercise.
What is the most effective way to lose weight in the UK?
The NHS recommends a combination of reduced calorie intake (typically 500 kcal per day deficit), increased physical activity, and behaviour change support. For adults with a BMI of 30 or above, or 27 or above with weight-related conditions, prescription weight loss medication may be offered through specialist services.
Should I ask my GP about weight loss medication?
If you have a BMI of 30 or above, or 27 or above with weight-related health conditions like high blood pressure or type 2 diabetes, your GP can assess whether prescription weight loss treatment may be suitable. They can refer you to specialist weight management services or discuss private options available in the UK.
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.