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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Dandelion Root Tea and Weight Loss — What the Evidence Shows
Dandelion root tea is often promoted as a natural weight loss aid in the UK, but evidence for its effectiveness is limited. While some people use herbal teas as part of their weight management routine, the scientific support is modest. If you're looking to lose weight, it's worth understanding what herbal supplements can realistically offer — and importantly, what prescription weight loss options are available to eligible UK adults. This guide explores both natural approaches and evidence-based medical treatments, so you can make an informed decision about the right path for your health goals.
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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.
Dandelion Root Tea: Evidence and Limitations
Dandelion root tea contains compounds like inulin (a type of fibre) and chlorogenic acid, which may have mild diuretic and digestive effects. Some small studies suggest it could support healthy digestion, but there is no robust clinical evidence that dandelion root tea causes significant weight loss in humans.
Any weight loss associated with dandelion tea is likely to be modest and may relate to increased water loss or improved digestion rather than fat reduction. Additionally, dandelion can interact with certain medications, including diabetes treatments and blood thinners, so it's not suitable for everyone. If you're considering herbal supplements, always discuss this with your GP first, especially if you're taking prescription medicines.
For sustainable, evidence-based weight management in the UK, prescription options like Mounjaro (tirzepatide) and Wegovy (semaglutide) have much stronger clinical evidence. These GLP-1 medications are licensed by the MHRA and have demonstrated significant weight loss results in clinical trials — on average 15–clinically studied weight loss with Mounjaro and around 15% with Wegovy.
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.
Prescription Weight Loss Options Available in the UK
If you're looking for medically-supported weight loss medication in the NHS UK, you may be eligible for prescription treatment. Adults with a BMI of 30 or above, or 27 or above with weight-related health conditions like type 2 diabetes or high blood pressure, can access these treatments through NHS specialist weight management services or privately.
NHS route: Ask your GP for a referral to your local tier 3 weight management service. Waiting times vary by region, but specialist teams can assess you properly and prescribe Mounjaro, Wegovy, or Saxenda (liraglutide) if appropriate. Private route: You can access prescription weight loss through online consultations with UK-licensed prescribers and GPhC-registered pharmacies, without waiting for NHS referral.
Use our free BMI calculator above to check your starting point, and our GLP-1 weight loss calculator to explore potential outcomes with prescription medication.
If you're considering weight loss options, the first step is a conversation with your GP. They can assess your health history, discuss what's realistic for you, and advise on NHS eligibility or help you understand private options. Weight loss is rarely straightforward — it involves diet, activity, behaviour change, and sometimes medication. Prescription weight loss injections work best alongside lifestyle changes, not instead of them. Start by calculating your BMI using our free tool on this page, then speak to your healthcare provider about whether prescription weight management might be right for you.
- 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.
Does dandelion root tea actually help with weight loss?
There is limited scientific evidence that dandelion root tea causes significant weight loss. It may have mild diuretic effects and support digestion, but any weight loss is likely modest and short-term. For proven weight loss support, prescription medications like Mounjaro or Wegovy have much stronger clinical evidence.
Is dandelion root tea safe to take with other medicines?
Dandelion can interact with diabetes medications, blood thinners, and certain other drugs. Always speak to your GP before using dandelion supplements, especially if you're taking prescription medicines. Your GP can advise whether it's safe for you personally.
How do I know if I'm eligible for prescription weight loss medication in the UK?
You may be eligible if you have a BMI of 30 or above, or 27 or above with weight-related health conditions (type 2 diabetes, high blood pressure, sleep apnoea, etc.). Ask your GP for an assessment, or use our BMI calculator to check your starting point.
What's the difference between NHS and private weight loss medication access?
NHS access requires referral to a specialist tier 3 weight management service — waiting times vary by region. Private access is available through online consultations with UK-licensed prescribers without NHS referral, but you pay for the medication. Both routes require proper clinical assessment.
How much weight can I expect to lose with prescription weight loss injections?
Clinical trials show average weight loss of 15–21% of body weight with Mounjaro and around 15% with Wegovy, alongside diet and activity changes. Individual results vary significantly — your GP or prescriber can discuss realistic expectations for your situation.
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.