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Used by Mounjaro & Wegovy patients across the UK

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
Get the guide + free tracker — £1.99 →

Free tracker included with every download this week

GLP-1 Medication Guide — 11 chapters, 100+ pages, NHS-aligned with free 52-week weight loss tracker calendar
Free · Instant · No sign-up required

Can Weight Loss Get Rid Of Cellulite?

Cellulite is a common concern, affecting most women and some men regardless of weight. The short answer is: weight loss may help reduce cellulite's appearance, but it won't completely eliminate it. Cellulite depends on skin structure, genetics, and fat distribution — not just body weight. Understanding how weight, body composition, and skin health interact can help you set realistic expectations about what weight loss can achieve. Whether you're considering nhs weight loss support or managing weight independently, knowing the facts helps you focus on health outcomes that matter most.

10,000+ calculations today · NHS-aligned thresholds · 100% free

26%of UK adults are living with obesityNHS Digital, 2023
64%of adults in England are overweight or obeseHealth Survey for England
£6.5bnannual cost of obesity to the NHSPublic Health England
4.7Mpeople in England eligible for weight loss drugsNICE estimates, 2024

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.

Below 18.5Underweight
18.5 – 24.9Healthy
25 – 29.9Overweight
30+Obese

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.

How Weight Loss Affects Cellulite

Cellulite forms when fibrous connective tissue beneath the skin pulls downward, creating a dimpled or lumpy appearance as fat cells push upward. Weight loss can reduce the volume of fat cells, which may make cellulite less visible — but it doesn't change the underlying structure of connective tissue.

Clinical evidence suggests that a combination of weight loss, strength training, and improved circulation offers the best chance of reducing cellulite appearance. When you lose weight using glp-1 weight loss medication alongside exercise, you may see better results than weight loss alone, because muscle tone helps smooth the skin's surface.

  • Body composition matters more than BMI alone — muscle helps define appearance
  • Where you lose fat first is determined by genetics, not by choice
  • Skin elasticity and hydration also affect how cellulite appears
  • Age and hormones influence connective tissue structure

Using our free BMI calculator and weight loss projections can help you set realistic goals about sustainable weight loss and body composition changes.

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How It Works

Three simple steps to understand your weight and take action.

1Check Your BMI

Enter your height and weight in our free calculator. Get your BMI, NHS category, healthy weight range, and ethnicity-adjusted thresholds instantly.

2Explore Your Options

If your BMI suggests you're overweight or obese, explore our GLP-1 calculators to project potential weight loss on Mounjaro or Wegovy.

3Track Your Progress

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.

Realistic Expectations From Weight Loss

Even people at a healthy weight or with low body fat can have cellulite — it's not simply a sign of excess weight. Genetics determine about 80% of cellulite appearance, which means some people are more prone to visible cellulite regardless of weight.

If you're considering prescription weight loss medication or nhs weight loss programmes, focus on health benefits rather than cellulite elimination. Weight loss improves cardiovascular health, blood sugar control, joint function, and overall wellbeing — these are the meaningful outcomes. Cellulite reduction may be a pleasant side effect for some people, but it shouldn't be the primary motivation.

Our free progress tracker helps you monitor health improvements beyond appearance, including energy levels, fitness gains, and how your clothes fit. Your GP can discuss realistic weight loss goals for your individual health profile.

Mounjaro (Tirzepatide)
  • 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
Read our full Mounjaro guide →
Wegovy (Semaglutide)
  • 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
Read our full Wegovy guide →

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.

FeatureMounjaroWegovy
Drug classDual GIP/GLP-1 agonistGLP-1 agonist
Active ingredientTirzepatideSemaglutide
Avg. weight loss15–22.5%12–17%
Key trialSURMOUNT-1 (2022)STEP 1 (2021)
Max dose15 mg weekly2.4 mg weekly
Escalation period20–32 weeks16–20 weeks
AdministrationWeekly injection (pen)Weekly injection (pen)
NHS availabilityPrivate prescription onlyNHS & private
Approx. private cost£150–£250/month£150–£300/month
Common side effectsNausea, diarrhoea, constipationNausea, 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.

Standard eligibility
  • BMI of 30 or above (obese)
  • Age 18 or over
  • No contraindicated conditions
  • Committed to lifestyle changes
With comorbidities
  • 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 weight loss always reduce cellulite?

No. While reducing fat volume may make cellulite less noticeable, genetics, skin elasticity, connective tissue structure, and hormones play larger roles. Some people see significant improvement with weight loss; others see minimal changes. Results vary greatly between individuals.

Can prescription weight loss injections help with cellulite?

Prescription weight loss medications like Wegovy support weight loss when combined with dietary changes and exercise. Weight loss may improve cellulite appearance in some people, but these medications are not designed specifically to treat cellulite. Individual results vary significantly.

What's more effective — weight loss or exercise — for reducing cellulite?

Evidence suggests that combining both approaches works best. Strength training builds muscle definition and improves circulation, while weight loss reduces fat volume. Together, they may reduce cellulite appearance more effectively than either approach alone.

Is cellulite a sign that I'm overweight?

No. Cellulite is extremely common in people of all body weights, including those with healthy BMI ranges. It's primarily determined by genetics, skin structure, hormones, and age — not weight status. Most women experience some degree of cellulite.

How long does it take to see cellulite reduction after weight loss?

If weight loss reduces cellulite visibility, changes typically become noticeable after losing 5–10% of body weight. However, timescale varies widely between individuals based on genetics, skin elasticity, exercise routine, and where your body loses fat first.

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.

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