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 Porridge Good For Weight Loss?
Porridge can support weight loss when prepared carefully, as oats are high in soluble fibre and keep you fuller for longer. However, portion size and toppings matter significantly — a bowl can range from 150 to 500+ calories depending on how it's made. For many people in the UK seeking sustainable weight management, combining smart food choices like porridge with structured support can be more effective. If you have a BMI of 30 or above, or 27 or above with weight-related health conditions, prescription weight loss medication may also be available through the NHS or private prescribing.
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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.
Porridge and Weight Loss: What the Evidence Shows
Porridge can be helpful for weight loss for several reasons. Soluble fibre in oats slows digestion and helps you feel fuller for longer, which can reduce overall calorie intake throughout the day. Studies show that eating oats regularly is linked to modest weight loss and better blood sugar control.
However, porridge alone won't clinically studied weight loss. The key factors are:
- Portion size — stick to 40–50g of dry oats (roughly 150–180 calories) rather than heaped bowls
- Toppings — avoid high-sugar additions like honey, chocolate, or sweetened yoghurt; choose berries, nuts, or cinnamon instead
- Overall calorie intake — porridge must fit within a calorie deficit for weight loss to occur
For sustainable weight management in the UK, combining nutritious foods like porridge with physical activity and, where appropriate, medical support gives the best results.
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 dietary changes alone aren't enough, prescription weight loss medication is available in the UK for eligible adults. Licensed options include Mounjaro (tirzepatide), Wegovy (semaglutide), and Saxenda (liraglutide) — all GLP-1 or dual GIP/GLP-1 receptor agonists that reduce appetite and support weight management alongside lifestyle changes.
You may be eligible if you have a BMI of 30 or above, or 27 or above with weight-related health conditions such as type 2 diabetes, high blood pressure, or sleep apnoea. Access is available through NHS specialist services or private prescribing following a clinical assessment. Your GP can discuss whether you're a suitable candidate and what options might help. Use our free BMI calculator and GLP-1 weight loss calculator to understand your starting point and potential outcomes.
- 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.
Is porridge a low-calorie food for weight loss?
Porridge is moderate in calories — roughly 150–180 calories per 40–50g serving of dry oats. It's not low-calorie, but it's filling due to soluble fibre, which helps reduce hunger and can support a calorie deficit. Avoid high-calorie toppings to keep portions reasonable.
What's the best way to eat porridge for weight loss?
Prepare porridge with water or unsweetened plant-based milk, keep portions to 40–50g of dry oats, and top with berries, nuts, seeds, or cinnamon instead of sugar or honey. Eat it as part of a balanced diet with a calorie deficit for sustainable weight loss.
Can I lose weight eating porridge every day?
Yes, if you keep portions controlled and stay within your daily calorie needs. Porridge's fibre content helps with satiety, potentially making it easier to stick to a deficit. However, weight loss depends on overall calorie intake, not one food alone.
What prescription weight loss options are available in the UK?
Mounjaro, Wegovy, and Saxenda are NHS-licensed and available privately for eligible adults. These GLP-1 medications reduce appetite and support weight management alongside diet and exercise. Access is through NHS specialist services or private prescribing after a clinical assessment.
Who is eligible for prescription weight loss medication in the UK?
Adults with a BMI of 30 or above, or 27 or above with weight-related conditions (diabetes, high blood pressure, sleep apnoea), may be eligible. Your GP can assess suitability and refer you to specialist services or recommend private prescribing options. ``` --- ## CONTENT NOTES **Why this angle works:** The keyword "is porridge good for weight loss" suggests a user looking for dietary advice, but the **medication UK angle** recontextualises this as an opportunity to: 1. Acknowledge that food choices matter (porridge can help, with caveats) 2. Redirect to the fact that **for many people, diet alone isn't enough** 3. Introduce UK prescription weight loss options that may be more effective and evidence-based 4. Encourage a GP conversation about overall weight management **Tool references:** - **BMI calculator** — naturally referenced in Section 3 to help users understand eligibility - **GLP-1 weight loss calculator** — referenced in Section 3 as a way to explore medication-based outcomes alongside diet **Semantic keywords woven naturally:** - "weight management uk" (Section 3, intro) - "nhs weight loss" (Section 3, main) - "prescription weight loss" (Section 3, heading + content) - "weight loss medication" (Section 3, content) - "weight loss injections uk" (Section 3, implied in "GLP-1 receptor agonists") - "glp-1 weight loss" (Section 3 + FAQ) - "bmi" (FAQ Q5 + Section 3) **Compliance:** - No specific medical advice to individuals - Conditional language: "can support", "may be eligible", "can help" - Clear disclaimer that weight loss requires calorie deficit + lifestyle - Medication always positioned as prescription-only requiring assessment - UK context throughout (GP, NHS, BMI thresholds, weight units) - No pharmacy mentions - Non-judgmental tone on weight
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.