Ramadan Nutrition and Weight Loss Injections
Safe Fasting Guide for UK Patients on Mounjaro, Wegovy & More

Ramadan fasting aligns well with GLP-1 weight loss medications like Mounjaro (tirzepatide) and Wegovy (semaglutide), as they suppress appetite and support sustained energy during non-eating hours. This combined guide draws on expert UK pharmacy advice for timing injections, hydration, balanced suhoor/iftar meals, and lifestyle adjustments to maintain health goals without compromising your fast.
Is It Allowed to Take Weight Loss Injections During Ramadan?
Necessary medications, including weekly GLP-1 injections, do not break the fast according to Islamic scholars and UK medical experts.
- Injections like Mounjaro or Wegovy are considered essential treatments, similar to other vital meds.
- Time them during non-fasting windows (after iftar or before suhoor) to minimize side effects like nausea.
- Consult your GP or pharmacist 4–6 weeks before Ramadan for personalized adjustments, especially if you have other conditions like diabetes.
Optimal Injection Timing for GLP-1 Medications
Weekly injections offer flexibility during Ramadan's dawn-to-sunset fast.
- Preferred: Evening (Iftar) - Inject after sunset, ideally during Maghrib prayer (30 mins), before eating to leverage appetite suppression.
- Alternative: Suhoor - Before dawn meal if it fits your schedule better.
- Studies on semaglutide/tirzepatide during fasting show good tolerance; avoid starting new doses or titrating up in early Ramadan.
- Do not pause unless advised – stopping may require restarting at lower dose, impacting progress.
Hydration Strategies to Prevent Dehydration
Dehydration risks rise with GLP-1s due to reduced thirst signals; prioritise fluids in eating windows.
- Aim for 2–3 liters between iftar and suhoor, sipped steadily (e.g., 500ml/hour).
- Include electrolyte drinks and water-rich foods like cucumber, watermelon, and soups.
- Avoid caffeine/sugary beverages that worsen GI side effects or cause crashes.
- Signs to watch: fatigue, dizziness - break fast if severe and seek medical help.
Suhoor: Pre-Dawn Meals for Sustained Energy
Suhoor fuels the fast; focus on slow-digesting, nutrient-dense choices to combat GLP-1 nausea.
- Complex carbs: Oats, wholegrain bread, barley porridge.
- Proteins: Eggs, Greek yoghurt, nuts, cheese.
- Healthy fats/fiber: Avocado, seeds, veggies (spinach, tomatoes).
- Hydrating options: Soups, fruits like bananas or pears.
- Avoid: Fried foods and heavy carbs that spike then crash energy.
Iftar: Breaking the Fast Mindfully
Start light to stabilise blood sugar, then build balanced plates supporting weight loss.
- Begin with: Dates + water/milk (traditional, hydrating).
- Proteins: Grilled chicken, fish, lentils, chickpeas.
- Veggies/salads: Leafy greens, cucumber, with olive oil.
- Whole grains: Quinoa, brown rice, chapati in moderation.
- Limit: Sweets, fried samosas/pakoras, excessive carbs/fats common in South Asian iftars.
Exercise and Lifestyle Adjustments
Maintain activity safely to aid digestion and weight goals without overexertion.
- Shift workouts to 2 hours post-iftar: Light walks, stretching, yoga.
- Avoid new intense routines; stick to moderate levels.
- Short post-meal walks help GLP-1 digestion and portion control.
- Rest more if fatigued – Ramadan prioritises spiritual balance over fitness peaks.
- Severe symptoms: Nausea, dehydration, low energy – consider pausing and restarting post-Ramadan.
- Free support: Contact your prescriber (e.g., the Your Pharmacy team) for email queries.
- Vulnerable groups (elderly, pregnant, chronic illness): May get exemptions; discuss early.
When to Consult a Professional or Pause Treatment
Monitor for issues and seek UK pharmacy/GP advice.
By aligning medication, meals, and hydration with Ramadan, patients often find fasting easier on GLP-1s. Always prioritise safety - Ramadan Kareem!
About the Creator
Alex
I've built my career around people-focused roles in the software industry, where clear communication, hands-on support, and quality assurance are always top priorities.




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