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 Tomato Soup Good For Weight Loss?
Tomato soup can be a helpful part of weight management if prepared thoughtfully. Many shop-bought and homemade versions are low in calories—typically 80–150 kcal per 200ml serving—making them suitable for a reduced-calorie diet. However, some commercial varieties contain added sugar and cream, which increases calorie content significantly. The key to using tomato soup for weight loss is choosing lower-calorie versions, controlling portion sizes, and pairing it with protein-rich foods like beans or lean meat to increase satiety and support sustainable weight management.
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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.
Nutritional Benefits of Tomato Soup for Weight Loss
Tomato soup has several properties that support weight management:
- Low calorie density: Homemade tomato soup made with tomatoes, onion, and vegetable stock contains approximately 80–120 kcal per 200ml serving, making it easy to fit into a calorie deficit.
- High water content: Tomatoes are 95% water, which increases volume without adding significant calories—this can help you feel fuller.
- Fibre and lycopene: Tomatoes contain dietary fibre (supporting digestion) and lycopene (an antioxidant linked to cardiovascular health).
- Soup effect: NHS research suggests that soup—particularly broth-based varieties—may promote satiety better than solid foods with equivalent calories.
However, shop-bought varieties often contain added sugars (5–10g per serving), cream, or oils that can double or triple the calorie content. Always check labels if using commercial soup.
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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.
How to Use Tomato Soup for Weight Management
To maximise tomato soup for weight loss, make it yourself using tinned tomatoes, vegetable stock, onion, and garlic—avoid adding cream or sugar. A standard 200ml serving (roughly 100 kcal) works well as a light lunch alongside a protein source such as grilled chicken, lentils, or Greek yoghurt to increase satiety and prevent overeating later. If buying shop-bought, choose varieties labelled "reduced sugar" or "light"—these typically contain 80–120 kcal per serving. Using our free BMI calculator above can help you assess your current weight status and determine how much daily calorie reduction you need. Tomato soup alone will not produce weight loss; sustainable weight management requires a consistent calorie deficit alongside physical activity.
- 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.
How many calories are in a bowl of tomato soup?
A 200ml serving of homemade tomato soup (made with tomatoes, stock, and vegetables) contains approximately 80–120 kcal. Shop-bought versions vary widely: "light" varieties contain 80–120 kcal, whilst creamy or condensed versions may contain 200–300 kcal per serving. Always check the nutrition label on commercial soups.
Is tomato soup better than other soups for weight loss?
Tomato soup is a good choice for weight loss because it's typically low in calories and high in water content. However, clear broths (chicken, vegetable) and minestrone soups are equally effective if made without cream or added oils. The best soup for weight loss is whichever one you'll eat consistently as part of a calorie deficit.
Can I eat tomato soup every day for weight loss?
Yes, you can include tomato soup daily as part of weight management, provided it fits within your daily calorie allowance and you pair it with protein (to avoid hunger later). However, relying solely on soup won't produce weight loss—you need overall calorie deficit through diet and physical activity. Use our GLP-1 weight loss calculator to see how structured approaches support sustainable results.
What should I add to tomato soup to make it more filling?
Add protein-rich foods to increase satiety: tinned beans (cannellini, chickpeas), lentils, diced chicken breast, or a dollop of Greek yoghurt. These additions add 50–150 kcal but significantly increase fullness, helping prevent overeating. Vegetables like spinach or celery add volume and nutrients with minimal calories.
Does tomato soup alone help you lose weight?
No. Weight loss requires a consistent calorie deficit (typically 500 kcal/day for 0.5kg loss per week) plus physical activity. Tomato soup is a useful low-calorie food but is just one component of a balanced diet. For personalised weight management guidance, consult your GP or a registered dietitian.
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.