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 Dandelion Root Tea Help with Weight Loss?
Dandelion root tea is often promoted as a natural weight loss remedy, but the scientific evidence supporting it is limited. While dandelion has been used in traditional medicine for centuries, modern research has not established it as an effective weight loss tool. If you're looking to manage your weight in the UK, understanding what actually works — from lifestyle changes to prescription options — is far more important than relying on herbal teas alone.
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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 Research Actually Show?
Dandelion root contains compounds like inulin and taraxacin, which have mild diuretic properties. This means it may increase water loss through urination, but this is not the same as fat loss. Studies on dandelion for weight loss are sparse and of poor quality. A few small studies suggest dandelion might have minor effects on appetite or digestion, but these findings are not strong enough to recommend it as a weight management tool.
The key distinction: losing water weight is temporary and returns when you rehydrate. Sustainable weight loss requires reducing body fat, which comes from consistent calorie deficit, increased physical activity, and behavioural change. Dandelion tea may have some minor digestive benefits, but it will not create the calorie deficit needed for meaningful weight loss.
If you're serious about weight management in the UK, the NHS recommends evidence-based approaches: dietary changes, regular physical activity, and where appropriate, prescription weight loss medication alongside lifestyle modification.
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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 Weight Loss Options in the UK
The NHS weight management pathway prioritises proven interventions. Losing weight sustainably means creating a calorie deficit of around 500 kcal per day, which typically results in losing 0.5–1 kg per week. Effective strategies include portion control, balanced nutrition, and regular activity.
For eligible adults, prescription weight loss medication may be offered through NHS specialist services or privately. GLP-1 medications like semaglutide (Wegovy) and tirzepatide (Mounjaro) are licensed in the UK and have strong clinical trial evidence. These work alongside dietary changes, not as replacements. Try our free GLP-1 weight loss calculator to explore realistic weight loss projections based on evidence from clinical trials, and use our BMI calculator to assess your current weight category.
- 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.
Will dandelion root tea help me lose weight?
Dandelion root tea has limited scientific evidence for weight loss. While it has mild diuretic properties, any water weight loss is temporary. Real weight loss requires sustained calorie deficit through diet and activity. If you're looking for effective weight management, evidence-based approaches — including lifestyle changes and prescription medication where eligible — are far more reliable.
Is dandelion tea safe to drink daily?
Dandelion tea is generally safe for most people in moderate amounts, but it can interact with certain medications and may cause side effects like digestive upset or allergic reactions in some individuals. If you take medications or have health conditions, check with your GP before using dandelion regularly. It's not a substitute for evidence-based weight management.
What is the difference between water weight loss and fat loss?
Water weight loss is temporary and returns when you rehydrate. Fat loss requires a sustained calorie deficit over time. Diuretic teas like dandelion may cause short-term water loss, but this doesn't represent actual weight management progress. The NHS recommends sustainable loss of 0.5–1 kg per week through diet and activity — this is primarily fat loss, not water weight.
What are the actual NHS recommendations for weight loss?
The NHS recommends a calorie deficit of around 500 kcal daily for steady weight loss of 0.5–1 kg per week. This comes from balanced eating, portion control, and regular physical activity. For adults with a BMI of 30 or above (or 27+ with weight-related conditions), prescription weight loss treatment may be available through NHS specialist services following GP referral.
Are prescription weight loss medications more effective than herbal remedies?
Yes. Clinical trials show prescription GLP-1 medications like semaglutide (Wegovy) and tirzepatide (Mounjaro) help participants lose 15–21% of body weight on average when combined with lifestyle changes. These have robust clinical evidence. Dandelion and similar herbal teas lack this level of proven effectiveness. Prescription medications require a prescription and clinical assessment from a qualified healthcare provider.
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.