Best Weight Loss Medications in New Zealand: 2026 Guide

Best Weight Loss Medications in New Zealand: 2026 Guide

Compare Mounjaro, Wegovy, and Saxenda: effectiveness, cost, and availability in NZ.

If you're considering prescription weight loss medication in New Zealand, understanding your options helps you make an informed choice. Here's a practical guide to what's available in 2026.

The Major Options

GLP-1 and GIP/GLP-1 Injections

These are currently the most effective prescription options for weight loss:

Wegovy (semaglutide)

  • GLP-1 agonist, once weekly injection
  • Average weight loss: ~15% of body weight
  • Available in NZ now
  • Cost: ~$460-500/month
  • Not Pharmac funded for weight loss

Mounjaro (tirzepatide)

  • Dual GIP + GLP-1 agonist, once weekly injection
  • Average weight loss: ~20-22% of body weight
  • Medsafe approved; commercial availability expected 2026
  • Estimated cost: $350-800/month depending on dose
  • Not Pharmac funded

Saxenda (liraglutide)

  • GLP-1 agonist, daily injection
  • Average weight loss: ~5-8% of body weight
  • Available in NZ
  • Cost: ~$550-600/month
  • Not Pharmac funded for weight loss

How They Compare

MedicationAvg Weight LossDosingNZ Status
Mounjaro20-22%WeeklyComing 2026
Wegovy~15%WeeklyAvailable now
Saxenda5-8%DailyAvailable now

How to Choose

Consider These Factors

  • Your weight loss goals: How much do you want/need to lose?
  • Availability: Can you access it now, or can you wait?
  • Cost: What can you afford monthly, long-term?
  • Dosing preference: Weekly vs daily injections
  • Medical history: What's safe for your situation?

If You Want Maximum Results

Mounjaro offers the highest average weight loss. If you can wait for availability and afford the cost, it may be worth waiting.

If You Want to Start Now

Wegovy offers strong results and is available immediately. You could start now and consider switching later if desired.

If Budget Is a Priority

All options are expensive when unfunded. Wegovy's flat pricing may be more predictable than Mounjaro's dose-dependent costs.

Who Qualifies

General eligibility criteria for prescription weight loss medications:

  • BMI ≥30 (obesity), OR
  • BMI ≥27 (overweight) with weight-related health conditions
  • No contraindications to the specific medication
  • Commitment to lifestyle changes alongside medication

What About Other Options?

Older weight loss medications exist but are generally less effective than the newer injectables. Your doctor can discuss whether they might be appropriate for your situation.

The Bottom Line

The "best" medication is the one that:

  • You can access
  • You can afford long-term
  • Is safe for your medical situation
  • You can tolerate and maintain

Effectiveness matters, but sustainability matters more.

Find Your Best Option

At Well Revolution, we help you navigate these choices and find the treatment that fits your situation. Start a free consultation to discuss your options.

Best Weight Loss Medications in New Zealand: 2026 Guide

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