Mounjaro is a weekly injectable medication for weight loss that activates two key hormone receptors (GLP-1 and GIP) making it the first dual-acting treatment of its kind. It is currently prescribed off-label in Australia for obesity and metabolic health support.
Who is Mounjaro for?
Adults with BMI ≥30, or
Adults with BMI ≥27 with a weight-related condition (e.g. prediabetes, PCOS, insulin resistance)
How It Works
Reduces appetite and food cravings
Slows stomach emptying and promotes fullness
Enhances insulin sensitivity and regulates blood sugar
Targets GIP & GLP-1 pathways for enhanced effect over semaglutide (Wegovy/Ozempic)
Expected Weight Loss
Clinical studies show up to 22.5% total body weight loss
Dosing Schedule
Mounjaro (Tirzepatide) is titrated slowly to minimize side effects:
Month | Weekly Dose |
1 | 2.5 mg |
2 | 5 mg |
3 | 7.5 mg |
4 | 10 mg |
5 | 12.5 mg |
6+ | 15 mg (max dose) |
Not all patients need the highest dose—your Rumen provider will guide this.
Common Side Effects
Nausea or vomiting
Diarrhoea or constipation
Decreased appetite
Headache
Tip: High-fat or greasy foods can worsen nausea—opt for small, protein-rich meals.
Important Safety Info
Avoid if you or your family have a history of medullary thyroid cancer
Not to be used in combination with other GLP-1 medications
Not suitable for Type 1 diabetes
Why Rumen + Mounjaro Works
Expert supervision from GPs, dietitians & health coaches
Structured support around food, movement & mindset
Early identification of side effects and dose optimization
Realistic planning for long-term success beyond medication
Let’s Talk
Rumen provides a supportive, medical pathway for effective weight loss using the latest tools—like Mounjaro.