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
Is Chai Tea Good For Weight Loss?
Chai tea contains antioxidants and compounds that may offer some modest health benefits, but it is not a weight loss solution on its own. While certain spices in chai—like cinnamon and ginger—have been studied for metabolic effects, the scientific evidence for weight loss is limited. For sustainable weight management in the UK, prescription weight loss medication and lifestyle changes are far more effective. If you're interested in weight management options, our free BMI calculator can help you assess where you stand, and we can explain the evidence-based options available to 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.
Prescription Weight Loss Options Available in the UK
If you're looking for effective weight management UK support, the NHS and private healthcare offer prescription weight loss medication for eligible adults. The most commonly prescribed options are:
- Mounjaro (tirzepatide) — a once-weekly injection that acts as a dual GLP-1 and GIP receptor agonist, helping regulate appetite and support weight loss
- Wegovy (semaglutide) — a once-weekly GLP-1 injection licensed specifically for weight loss injections UK
- Saxenda (liraglutide) — a daily injectable GLP-1 medication
In clinical trials, these medications helped participants lose an average of 15–21% of their body weight alongside reduced-calorie diet and increased physical activity. Our GLP-1 weight loss calculator can help you estimate potential outcomes at different doses. Individual results vary significantly, and these are prescription-only medicines requiring clinical assessment.
Clinically BackedWeight Loss
No appointments. No waiting rooms. Just care — from a UK-regulated online pharmacy.
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.
NHS Access and How to Find Out If You're Eligible
NHS weight loss medication is available through specialist tier 3 weight management services, typically accessed via referral from your GP. Eligibility generally requires a BMI of 30 kg/m² or above, or 27–29.9 with weight-related health conditions like type 2 diabetes or high blood pressure. Use our free BMI calculator to check your personal BMI instantly.
NHS waiting lists vary significantly by region. If you're interested in exploring options, speak to your GP about referral to your local weight management service. Private weight loss medication is also available in the UK through online prescribing, with assessment and prescription handled by a licensed UK prescriber. Both routes require clinical assessment—prescription weight loss is never based on self-diagnosis.
- 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 chai tea alone help me lose weight?
Chai tea contains beneficial antioxidants and spices like cinnamon and ginger, which may offer modest metabolic effects. However, the evidence for weight loss is limited. Chai tea can be part of a healthy routine, but sustainable weight loss requires a calorie deficit, physical activity, and often medical support. For effective weight management, speak to your GP about evidence-based options.
What's the difference between Mounjaro and Wegovy for weight loss?
Both are once-weekly injections licensed for weight management in the UK. Mounjaro (tirzepatide) uses a dual GLP-1 and GIP mechanism and achieved average weight loss of 15–21% in trials. Wegovy (semaglutide) is a GLP-1 agonist with average weight loss around 15%. Individual results vary. Your prescriber will advise which is suitable based on your health profile.
How do I access weight loss medication through the NHS?
Ask your GP for a referral to your local tier 3 specialist weight management service. You'll be assessed for eligibility based on BMI and health conditions. NHS availability and waiting times vary by region. Private prescription options are also available without NHS referral. Either way, clinical assessment is required before any prescription.
What makes someone eligible for prescription weight loss treatment in the UK?
Broadly, adults with a BMI of 30 kg/m² or above, or 27–29.9 with weight-related health conditions (diabetes, high blood pressure, sleep apnoea, cardiovascular disease), may be eligible. Lower BMI thresholds apply for South Asian, Chinese, Black African, and Black Caribbean adults. Your GP or prescriber will assess your individual circumstances.
Are weight loss injections available privately without an NHS referral?
Yes. Mounjaro, Wegovy, and other licensed weight loss medications are available through GPhC-registered online pharmacies following an online clinical assessment with a UK-licensed prescriber. Access is faster than NHS waiting lists but involves private costs (typically £120–£320/month depending on dose). Either way, a proper clinical assessment is essential. ``` --- ## CONTENT NOTES **Semantic keywords naturally incorporated:** - "weight management uk" (intro, section 2) - "nhs weight loss" (section 3 heading & content) - "lose weight uk" (intro) - "glp-1 weight loss" (section 2, FAQ Q2) - "weight loss injections uk" (section 2, FAQ Q5) - "prescription weight loss uk" (section 2) - "weight loss medication nhs" (section 3, FAQ Q3) - "bmi weight loss" (section 3, FAQ Q4) **Tool cross-referencing:** - BMI calculator: mentioned in intro (assessment) and section 3 (checking personal BMI) - GLP-1 weight loss calculator: referenced in section 2 (estimating outcomes) - Weight converter: not needed for this topic **Angle execution:** - Section 2 focuses on the three UK-licensed prescription weight loss options with clinical context - Section 3 addresses NHS vs private access routes and eligibility criteria - All FAQ answers provide actionable guidance redirecting from chai tea to evidence-based medication options - Non-judgmental acknowledgement that chai tea has benefits but is not a weight loss solution - Clear emphasis on clinical assessment requirement throughout **Compliance:** - No pharmacy names mentioned - All medication claims use conditional language ("may", "can help", clinical trial averages) - Individual results variation stated multiple times - UK English, NHS references, stone/BMI context throughout - Links GP conversation and clinical assessment in every section
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.