Mounjaro is a weekly weight loss injection that can help you lose weight by making you feel full and satisfied. It’s a one-of-a-kind drug that helps suppress your appetite while breaking down fats.
If you’re struggling to lose weight, talk to us about your health and we’ll help you find an effective solution. Order Mounjaro online with us and we’ll deliver it the next working day.
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Mounjaro is a medication originally designed to control blood sugar levels for people with diabetes, which has since been licensed for weight loss too. It contains the active ingredient tirzepatide, which is a GIP receptor and GLP-1 antagonist. The exact way it works to help you lose weight is not completely understood, but scientists believe it helps slow the movement of food from your stomach, making you feel full for longer.
In the UK, it’s only available as a weight loss treatment if you have a BMI over 30, or over 27 with a weight-related health problem, like pre-diabetes.
Mounjaro comes in pre-filled pens with six different doses. You’ll start on the lowest dose of 2.5mg, which gradually increases every four weeks.
How does Mounjaro work?
Tirzepatide, the active ingredient in Mounjaro, is a GLP-1 antagonist receptor. It works similarly to semaglutide, the active ingredient in Ozempic and Wegovy.
It's not completely understood how GLP-1 helps you lose weight, but studies have shown it can make you feel more full. GLP-1 is a hormone that naturally occurs in your body. When you eat something, it sends signals to your brain to tell it you’re satisfied or full. This helps control your appetite and stops you from eating too much. It also slows down the movement in your gut, preventing your food from entering the intestines so you feel full for longer. In short, GLP-1 works in your gut and brain to control your appetite.
It also affects the release of a hormone called GIP (gastric inhibitory polypeptide). This hormone is responsible for breaking down fatty foods, which can contribute to weight loss.
Although Mounjaro can help you lose weight, it’s recommended that you exercise regularly and eat a well-balanced, healthy diet to get the best results.
What doses of Mounjaro are there?
Mounjaro comes in pre-filled pens with six different doses: 2.5 mg, 5 mg, 7.5 mg, 10 mg, 12.5 mg and 15 mg. You’ll start on the lowest dose of 2.5mg once a week and at the end of four weeks it will increase to the next dose, which is 5mg once a week. The dose will increase every four weeks (or longer if your clinician decides so) till the maximum dose of 15mg. You can buy a Monjaro starter pack with us, it includes 2.5mg and 5mg pens to commence your course.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
Mounjaro Tirzepatide
How to use Mounjaro
Each pen is pre-filled with a dose of either 2.5 mg, 5 mg, 7.5 mg, 10 mg, 12.5 mg, or 15 mg. Each week inject the correct dose at the same time. It can be taken at any time during the day, but you’ll need to make sure you stick to that same time each week. So before using your first dose, it’s a good idea to wait until it’s a time and a day when you’re most likely to be free.
How to inject Mounjaro:
Mounjaro can be injected in your stomach, upper leg and upper arm.
The same area can be injected every week, just make sure it’s not the same spot.
It can be injected with or without food.
If you want to stop taking Mounjaro, talk to your clinician first.
What should I do if I make a mistake when taking Mounjaro?
If you accidentally use more Mounjaro than you should’ve done, contact a clinician immediately for medical advice. Too much can lower your blood sugar levels, which can make you lightheaded or sick.
If you forget to take a dose of Mounjaro but it's been less than four days, use it as soon as you remember. If it’s been more than four days, though, skip the missed dose and carry on with your normal dosing schedule.
How long does Mounjaro take to work?
In a 40-week-long study, people using Mounjaro showed significant weight loss results. On average, patients taking the:
5 mg dose lost of 17 lbs,
10 mg dose lost 21 lbs,
15 mg dose lost 25 lbs.
However, you might not get these results. Everyone will react differently to Mounjaro; some may get better results while others might lose less weight. It’s also important to exercise regularly and go on a calorie-controlled diet to get the best results.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
Mounjaro Tirzepatide
Mounjaro Tirzepatide
FAQ: Mounjaro
Have something specific you want to know? Search our info below, or ask our experts a question if you can’t find what you’re looking for.
How does Mounjaro compare with Ozempic and Wegovy?
Answer:
Mounjaro, Wegovy and Ozempic are three injections that all work in a similar way. Wegovy and Ozempic contain the same active ingredient, semaglutide, which works by suppressing your appetite to make you feel full. This is the same way Mounjaro works too. However, Mounjaro is slightly different to Ozempic and Wegovy, in that it also functions as a GIP receptor, helping break down fatty acids.
Other differences include the doses each pen is available in:
Mounjaro has six doses:2.5 mg, 5 mg, 7.5 mg, 10 mg, 12.5 mg and 15 mg;
Wegovy has five doses: 0.25mg, 0.5mg, 1mg, 1.7mg and 2.4mg; and:
Ozempic has four doses: 0.25mg, 0.5mg,1mg and 2mg.
Mounjaro and Wegovy are also licensed for weight loss, whereas Ozempic is only licensed to treat diabetes.
Furthermore, when Mounjaro was compared with Ozempic in a clinical trial, the results showed an average weight loss of 17 pounds on the 5 mg dose compared to only 13 pounds on the Ozempic 1 mg dose.
If you want to switch between these treatments, for example from Ozempic to Mounjaro, it should be an easy transition. This is because they work in a pretty similar way, even though they contain different active ingredients. For more information on how to switch between weight loss treatments check our blog post here or contact your clinician.
What are the side effects of Mounjaro?
Answer:
When you first start taking Mounjaro, you’ll probably experience nausea, and possibly diarrhoea. This is normal and isn’t something to worry about. But to make up for the loss of fluids, drink plenty of water to avoid dehydration. As you get used to taking Mounjaro, your side effects will calm down.
There are also other side effects mentioned in the patient information leaflet that might affect you. If you’re concerned about any of the side effects, you can talk to your clinician for medical advice.
Are there any foods I should avoid when taking Mounjaro?
Answer:
There are no specific foods which you should avoid when taking Mounjaro. However, for the best results, you should go on a calorie-controlled diet. This means instead of eating your normal amount of calories, you should aim to eat around 500 calories less per day. Your clinician will give you more information about this.
How effective is Mounjaro for weight loss?
Answer:
In a 72-week-long study, 2539 patients with a BMI over 30 (or over 27 with a weight-related illness) were split into four equal groups and received either a 5 mg, 10 mg, or 15 mg dose, or a placebo. They also had a registered dietician put them on a healthy 500-calorie deficit diet and had to do at least 150 minutes of physical activity per week.
At the end of the trial, the results showed that the 10 mg dose and 15 mg dose resulted in an average weight reduction of 19.5% and 20.9%, compared to only 3.1% weight reduction with the placebo. Moreover, 89% to 91% of patients lost 5% or more of their weight, which is considered clinically significant for improving metabolic health. Many of them even lost 10-20% of their weight, which provides additional therapeutic benefits, such as reducing the risk of cardiovascular diseases.
If I stop taking Mounjaro will I gain back the weight?
Answer:
It’s possible that once you stop using Mounjaro you might gain the weight back. This is because the effect of the hormone that suppresses your appetite will be reduced, so your appetite may increase.
But there are some things you can do to maintain your weight. Regularly exercising or continuing with your calorie-deficit diet will stop you from gaining back the weight. However, this may take a bit more dedication and discipline than it had before, especially in the first few days and weeks. Working with a licensed nutritionist or dietician can also help you keep track of your weight loss goals.
Can I take Mounjaro if I'm pregnant or breastfeeding?
Answer:
If you're pregnant or planning to become pregnant, avoid taking Mounjaro. This is because some studies show it might be toxic to your unborn child. You should also use effective contraception when taking Mounjaro.
It's also recommended that you avoid tirzepatide if you're breastfeeding or planning to breastfeed. It's unknown whether tirzepatide passes into breast milk and is harmful to your baby.
Why should I buy Mounjaro with Treated?
Answer:
Losing weight can be hard on your own, so we try to make this a little easier by providing you with effective weight loss treatments. Just answer some questions about your health, and choose the treatment you want. We’ll then deliver it the next working day.
You can also order your product on a personalised subscription plan; this way, you’ll never run low or forget to take a dose. Or choose to commence your course with our Mounjaro starter pack (x4 2.5mg pens and x4 5mg pens). If you also have any questions, you can contact our clinicians any time.
Jastreboff, A. M., Aronne, L. J., Ahmad, N. N., Wharton, S., Connery, L., Alves, B., Kiyosue, A., Zhang, S., Liu, B., Bunck, M. C. and Stefanski, A. (2022).
Tirzepatide Once Weekly for the Treatment of Obesity. New England Journal of Medicine, 387(3), 205–216.
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Disclaimer: The information provided on this page is not a substitute for professional medical advice, diagnosis, or treatment. If you have any questions or concerns about your health, please talk to a doctor.