If you are searching for a Mounjaro click chart broken down by strength, such as 5 mg, 7.5 mg, 10 mg, 12.5 mg, or 15 mg, here is the important point: there is no manufacturer approved click chart for these strengths. Every Mounjaro KwikPen delivers 0.6 ml per dose, while the concentration of tirzepatide changes between strengths.
For adults in the UK using or considering Mounjaro and looking for clear guidance on dose administration and pen mechanics, this distinction matters. Unofficial click counting charts can cause confusion about how the device works and may lead to incorrect assumptions about the dose being given.
What genuinely changes during treatment is your prescribed strength as you move through the dose escalation schedule. That is the timeline worth understanding rather than trying to work out your dose from clicks. Below, we explain what the clicks mean, why a Mounjaro click chart does not provide a reliable way to calculate doses, how Mounjaro dosing progresses, how its device differs from Wegovy, and why some common online advice can be misleading.
Key things to know
- Every Mounjaro KwikPen delivers 0.6 ml per dose, regardless of the strength of tirzepatide in the pen
- What changes during treatment is your prescribed strength, not a click count
- The appropriate way to follow your treatment is to use the strength prescribed by your healthcare professional and follow the pen instructions
- Mounjaro and Wegovy use different pen designs, so advice about one device should not automatically be applied to the other
Why There Is No Genuine Click Chart by Strength
According to the current Mounjaro product information, each KwikPen contains 4 doses of 0.6 ml. The available strengths contain different amounts of tirzepatide in that 0.6 ml dose. For example, a 2.5 mg dose contains 2.5 mg of tirzepatide in 0.6 ml, while a 15 mg dose contains 15 mg of tirzepatide in 0.6 ml.
This means the volume does not increase as the strength increases. Instead, the concentration of tirzepatide in the solution is different.
The important point is that the Mounjaro KwikPen is designed to provide a fixed dose based on the strength of the pen. It is not designed for you to select a smaller dose by counting mechanical clicks.
A click chart that claims a particular number of clicks equals a particular number of milligrams is therefore not a manufacturer approved dosing method. You should not use such a chart to work out, split, or change your dose.
It is easy to see how this confusion can spread. Different injection pens use different mechanisms, and online discussions often group Mounjaro together with other GLP 1 medicines. Advice that applies to one type of pen may not apply to another.
A chart can also look convincing simply because it contains specific numbers. However, a detailed table is not necessarily evidence that the calculation is valid for your particular pen.
What the Clicks Actually Mean
The Mounjaro KwikPen uses mechanical feedback as part of its operation. The important thing is not to treat the number of clicks as a measurement of the amount of medicine in your dose.
| What you hear or see | What it means |
|---|---|
| 2 clicks during the priming step | This is part of the priming process. It is not a measurement of the Mounjaro dose |
| Mechanical sounds during injection | These can be part of the normal operation of the pen and should not be used to calculate a dose |
| The dose knob reaches the injection position | The pen is ready for the injection step according to the Instructions for Use. It does not provide a click based dose calculation |
Some online sources claim that a complete Mounjaro dose equals a specific number of clicks. You should not use this type of information to calculate a smaller dose or compare the strength of different Mounjaro pens.
The Real Week by Week Timeline: Dose Escalation
What can follow a week by week pattern is your prescribed strength, not a click count.
For adults, Mounjaro treatment generally starts at 2.5 mg once weekly for 4 weeks. After 4 weeks, the dose is increased to 5 mg once weekly. If a higher dose is needed, increases of 2.5 mg can be made after at least 4 weeks on the current dose, up to a maximum of 15 mg once weekly. Your prescriber decides whether and when your dose should increase.
| Approximate weeks | Typical stage |
|---|---|
| Weeks 1 to 4 | Starting dose of 2.5 mg once weekly |
| Weeks 5 to 8 | The dose is generally increased to 5 mg once weekly |
| Week 9 onwards | If appropriate, the dose may be increased in 2.5 mg steps after at least 4 weeks on the current strength, up to 15 mg once weekly |
This is a general treatment schedule, not a rule that applies in exactly the same way to everyone. Your prescriber may decide to keep you on your current strength for longer depending on your response and how you tolerate treatment.
The 2.5 mg dose is the recommended starting dose. It is followed by 5 mg after 4 weeks, with further increases considered when appropriate. You should not increase your dose yourself or use clicks to create an intermediate dose.
Weight Loss by Week: What We Can Honestly Say
We cannot give you a specific week by week weight loss figure because individual results vary.
Clinical trials of tirzepatide have shown weight reduction over longer periods of treatment when it is used alongside a reduced calorie diet and increased physical activity. However, trial averages cannot predict exactly how much weight one person will lose or how quickly they will lose it.
Your starting weight, prescribed strength, eating pattern, physical activity, individual response, and other health factors can all affect your results.
It is also worth being cautious about online charts that promise a particular amount of weight loss by a particular week. There is no single weight loss timeline that applies to everyone.
If you are tracking your progress, it can be more useful to look at your own measurements over time and discuss them with your healthcare professional rather than comparing yourself with an online chart.
A Note on Wegovy Click Charts
Wegovy needs to be treated differently because the UK Wegovy FlexTouch pen is a dial a dose pen. It contains four doses, and the dose selector is used to select the prescribed dose. The current UK instructions specifically state that you should not set the dose by counting the number of clicks you hear.
This means Wegovy and Mounjaro should not be treated as having identical pen mechanisms.
You may see click counting discussions online involving different injection pens. Some pens have dose selectors, while others use fixed dose mechanisms. The correct instructions depend on the specific medicine and device you have.
If you are using Mounjaro, follow the Instructions for Use supplied with your Mounjaro KwikPen rather than applying advice about another pen.
If you have questions about your dose, strength, or treatment timeline on Mounjaro treatment, start your free consultation for support from a clinician prescribed service and discuss your questions about treatment, injection technique, or dose changes with a healthcare professional.
A Note on Reviews
You may see specific customer testimonials or a "2,400+ reviews" figure referenced elsewhere on this site. We are not able to verify individual patient testimonials or aggregate review figures, so we have not included them here.
Sources
- Mounjaro KwikPen strengths and doses, Eli Lilly and Company
- Errors Possible When Microdosing (Counting Clicks) to Dose Weight Loss Medicines, ConsumerMedSafety.org
- Mounjaro prescribing information and dose escalation schedule, Eli Lilly and Company
Medical Disclaimer
This page provides general information about Mounjaro's device design and dosing schedule as a weekly subcutaneous injection. It is not a substitute for personalised medical advice, diagnosis, or treatment.
Do not attempt to identify, measure, split, or adjust your Mounjaro dose using click counting or an unofficial dosing chart. Follow the dosing instructions provided by your prescriber and the Instructions for Use supplied with your pen.
Side effects such as nausea, diarrhoea, vomiting, constipation, and abdominal pain can occur with Mounjaro. If you experience severe or persistent symptoms, speak to your prescriber or pharmacist.
Individual weight loss results vary and cannot be predicted from a general timeline or chart. Your dose escalation schedule should be based on your prescribed treatment plan rather than an online pattern.
If you have questions about your medicine, dose, side effects, or injection technique, speak to your prescriber, pharmacist, or GP. Keeping a record of your weekly injections may also help you keep track of your treatment and discuss your progress with your healthcare professional.