🌿 Wegovy vs Mounjaro – Dosage & Weight Loss Timeline
At Happy Pharmacy, we provide both Wegovy and Mounjaro— two powerful, once-weekly injectable medications for weight loss. Whether you're just starting your journey or comparing treatment options, here’s what you can expect from each.
💉 Wegovy (Semaglutide)
📅 Dosage Schedule
Wegovy is gradually increased over 17 weeks to reduce side effects and allow your body to adapt:
- Weeks 1–4: 0.25 mg once weekly
- Weeks 5–8: 0.5 mg once weekly
- Weeks 9–12: 1.0 mg once weekly
- Weeks 13–16: 1.7 mg once weekly
- Week 17 onward: 2.4 mg once weekly (maintenance dose)
👉 Wegovy comes in prefilled pens and is delivered with clear instructions.
📚 Source: Wegovy Official Dosing Guide
⚖️ Weight Loss Timeline (Based on Clinical Studies)
- 12 weeks: ~5–8% of starting body weight lost
- 16 weeks: ~8–10%
- 68 weeks (~15 months): Up to 15% total body weight lost on average
📚 Source: Wegovy Clinical Trial Summary
💉 Mounjaro (Tirzepatide)
📅 Dosage Schedule
Mounjaro is also titrated gradually, with a wider dosing range up to 15 mg:
- Weeks 1–4: 2.5 mg once weekly (starter dose – not for weight loss efficacy)
- Weeks 5–8: 5 mg
- Weeks 9–12: 7.5 mg
- Weeks 13–16: 10 mg
- Weeks 17–20: 12.5 mg
- Week 21 onward: 15 mg (maximum dose)
👉 Mounjaro comes in prefilled pens and is delivered with clear instructions.
📚 Source: Mounjaro Dosing – Eli Lilly
⚖️ Weight Loss Timeline (Based on Clinical Studies)
- Month 1: ~4% weight loss
- Month 2: 6–7%
- Month 4: ~11–13%
- Month 6+: ~15–20%
- 72 weeks (~18 months): Up to 22.5% weight loss
📚 Source: Lilly Clinical Trials – SURMOUNT-1
💬 Need Help Deciding?
If you're unsure whether Wegovy or Mounjaro is right for you, our clinical team can help. Begin your 2 minute online consultation today.