Thinking about starting Mounjaro for weight loss? You’re not alone. This once-weekly injection has quickly become one of the most talked-about treatments for people who are struggling to lose weight through diet and exercise alone. If you’re considering it, it’s important to understand how it works, how to use it safely, and what kind of results to expect. In this guide, we’ll walk you through the essentials — from how Mounjaro supports weight loss to the best ways to inject it and where to get professional support.
What Is Mounjaro and How Does It Help with Weight Loss?
Mounjaro, also known as tirzepatide, is a once-weekly injection that supports weight loss by targeting the hormones that control hunger and fullness. It helps reduce appetite, slows digestion, and makes you feel fuller for longer.
It was first used to treat type 2 diabetes, but it's now also prescribed for weight loss — especially for people living with obesity or weight-related health conditions. When paired with healthier eating and regular movement, it can support steady, long-term weight reduction.
Here’s how it works:
- Reduces appetite – so you feel less hungry throughout the day
- Slows digestion – helping you stay full for longer after meals
- Improves blood sugar control – which supports steady energy levels
- Targets hunger hormones – helping you better manage when and how much you eat
Mounjaro isn’t for everyone, but it can be a helpful option for those who’ve found it hard to lose weight with lifestyle changes alone.
What to Expect Before and After Starting
Mounjaro is a prescription-only treatment, so you’ll need a consultation first. A healthcare professional will review your weight, medical history, and any existing conditions to make sure it’s a safe and suitable option for you.
After starting, you might notice side effects like nausea, reduced appetite, or mild stomach upset. These are usually temporary. Weight loss tends to happen gradually, especially when the treatment is used alongside healthy eating and regular movement.
Best Place to Inject Mounjaro for Weight Loss
Injecting Mounjaro is a simple process once you’ve been shown how. It’s taken just once a week using a pre-filled injection pen. You can inject it into your stomach (away from the belly button) or the front of your thigh. It’s best to rotate between these areas each time to avoid irritation.
Here are some tips for using it correctly:
- Wash your hands and clean the injection site
- Let the pen reach room temperature before use
- Press and hold the pen firmly to deliver the full dose
- Avoid injecting into any bruised, sore, or irritated skin
If you're unsure, don't worry — your pharmacist will talk you through the best ways to inject Mounjaro for weight loss and make sure you're confident before you begin.
Who Should and Shouldn’t Use Mounjaro
Mounjaro can be a helpful option for people who are struggling to lose weight, especially when other methods haven’t worked. That said, it isn’t suitable for everyone — which is why a proper consultation is essential before starting.
Mounjaro may be suitable for:
- Adults with a high BMI
- People living with weight-related conditions such as type 2 diabetes or high blood pressure
- Those who haven’t had success with diet and exercise alone
Mounjaro may not be suitable for:
- Anyone who is pregnant or breastfeeding
- People with certain medical conditions or a history of serious digestive issues
- Those who are already seeing steady results with lifestyle changes alone
Your pharmacist or prescriber will always check if this treatment is right for you based on your health and personal goals. They'll take into account your medical history, current medications, and any concerns you might have. This way, you can feel confident that you're making a safe and informed choice.
Speak to Heald Green Pharmacy’s Weight Loss Team
At Heald Green Pharmacy, we offer Mounjaro as part of our dedicated Weight Loss Clinic in Manchester. Our service is local, confidential, and run by trained professionals who are here to help you feel supported every step of the way. We understand that starting a new treatment can feel like a big decision, which is why we take the time to listen and offer clear, personalised advice.
Whether you’re just starting to explore your options or ready to begin treatment, we’re here to guide you. From one-to-one consultations to ongoing check-ins, we’ll help you use Mounjaro safely and confidently. You don’t have to figure this out on your own — get in touch with us today to book your consultation and take the first step towards a healthier you.
This blog was written on behalf of Heald Green Pharmacy by Pharmacy Mentor.
