Is Mounjaro Available in New Zealand? 2026 Cost & Alternatives

If you’ve been eyeing Mounjaro as a weight loss option in New Zealand, you’re not alone. The drug is now available by prescription here, but the path to getting it involves some fine print — and a significant price tag.

Medsafe approval for weight loss: February 2026 ·
Pharmac funding: Not funded (as of May 2026) ·
Prescription required: Yes, from a NZ-registered health professional ·
Available at: Some pharmacies, including Chemist Warehouse ·
Starting dose: 2.5 mg

The table below summarises the key facts about Mounjaro in New Zealand.

Can my GP prescribe Mounjaro?

What is the process to get a Mounjaro prescription in NZ?

• Mounjaro is a prescription-only medicine in New Zealand (Medsafe, the NZ medicines regulator).
• Only a NZ-registered health professional — your GP or a specialist — can write a prescription (Healthify, a NZ health information provider).
• Your GP can prescribe Mounjaro directly, but may refer you to an obesity specialist or endocrinologist for assessment.
• You will need to pay the full cost yourself — Pharmac does not fund Mounjaro (Pharmac, NZ drug funding agency).

The implication: getting a prescription is straightforward on paper, but the out-of-pocket expense is a real barrier for most patients.

Are there any restrictions on who can prescribe?

There are no legal restrictions beyond the requirement that the prescriber be a NZ-registered health professional. However, clinical guidance suggests that Mounjaro should be prescribed only after a thorough medical assessment, including checking for contraindications such as a history of pancreatitis or certain thyroid cancers (Medsafe consumer information).

The takeaway: while doctors can prescribe, affordability is the real gatekeeper.

What weight loss drugs are available in NZ?

New Zealanders now have several medical options for weight loss, each with different approval statuses, funding, and price points. Here’s a breakdown of the main players.

Mounjaro (tirzepatide)

• Approved by Medsafe for chronic weight management in February 2026 (Pocket Lab).
• Dual GLP-1/GIP receptor agonist — a unique mechanism that sets it apart from older options.
• Administered as a once-weekly injection (Healthify).
• Not funded by Pharmac; patient pays full cost.

Wegovy (semaglutide)

• Approved for weight loss in NZ and also not funded (Pharmac).
• Once-weekly injection, similar dosing to Mounjaro.
• Often cited as the main competitor to Mounjaro.

Ozempic (semaglutide) – off-label for weight loss

• Approved for type 2 diabetes, but sometimes prescribed off-label for weight loss.
• May be cheaper if funded for diabetes, but not for weight loss use alone.

Other alternatives

• Saxenda (liraglutide) — a daily injection, approved and available in NZ (Healthify).
• Phentermine and other oral medications are also available, but less commonly used for long-term weight management.

The pattern: for anyone seeking weight loss medication without type 2 diabetes, all the major options are fully out-of-pocket.

Is Mounjaro better than Wegovy?

Effectiveness comparison

Both Mounjaro and Wegovy are GLP-1 receptor agonists, but Mounjaro also targets the GIP receptor — a dual-action approach that, in clinical trials, led to greater average weight loss (Pocket Lab).

Side effect profiles

Side effects are similar for both: nausea, vomiting, diarrhoea, and constipation are the most common. Mounjaro’s dual mechanism does not appear to introduce new safety concerns beyond what is seen with Wegovy (Medsafe).

Cost comparison in NZ

Since neither drug is funded, the patient pays the full price. Reported monthly costs for Mounjaro range from about NZ$430 to NZ$900 depending on the dose (Victoria University of Wellington). Wegovy is expected to be in a similar price range.

The trade-off: Mounjaro may offer slightly better efficacy, but the difference in cost is negligible — both are expensive.

Here’s how they stack up side-by-side:

Three major weight loss drugs, one clear pattern: Mounjaro leads on efficacy, but all cost the same premium.

The bottom line: efficacy edge exists, but the real barrier is the price tag, not the choice between drugs.

What is a cheaper alternative to Mounjaro?

Ozempic cost vs Mounjaro

Ozempic is often perceived as cheaper, but that’s only true if you have type 2 diabetes and qualify for Pharmac funding. For weight loss alone, Ozempic is also unfunded and can cost NZ$100–500 per month (Healthify).

Wegovy cost

Wegovy’s price is expected to be similar to Mounjaro — neither offers a significant cost advantage.

Non-prescription alternatives

• Structured lifestyle programmes (e.g., through a dietitian or exercise physiologist) are cheaper but require sustained effort.
• Over-the-counter supplements are not evidence-based and should not be considered a substitute.
• Some patients explore compounded versions, but these are not regulated by Medsafe and carry safety risks.

Why this matters: for most people, the cheapest effective option remains Ozempic if they happen to have diabetes — otherwise, all GLP-1 drugs are costly.

Can you regain weight after stopping Mounjaro?

What does research say about weight regain?

Weight regain after stopping GLP-1 medications is well documented. Clinical studies show that many patients regain a significant portion of lost weight within 6–12 months of discontinuation (Victoria University of Wellington).

How to maintain weight loss after stopping

• Dietary changes and physical activity remain the cornerstone of long-term weight management.
• Some clinicians advocate a gradual tapering of the dose rather than stopping abruptly.
• Regular follow-up with a health professional is recommended to adjust strategies.

Who should not take Mounjaro (contraindications)

• Pregnancy or breastfeeding (Medsafe CMI)
• Personal or family history of medullary thyroid carcinoma
• History of pancreatitis
• Severe gastrointestinal disease

The takeaway: Mounjaro is a tool, not a cure. Patients who use it without building sustainable habits are likely to see the weight return.

How to get Mounjaro in NZ — step by step

1. Book a consultation with your GP or a specialist obesity clinic.
2. Discuss your medical history — the doctor will check for contraindications and assess suitability.
3. Get a prescription if you are a candidate. The starting dose is 2.5 mg once weekly.
4. Take your prescription to a pharmacy that stocks Mounjaro — Chemist Warehouse is one option (Pocket Lab).
5. Pay out of pocket — there is no Pharmac subsidy, so expect to pay the full price at the counter.
6. Follow up with your prescriber regularly to monitor progress and adjust dose.

What this means: the pathway is straightforward, but the cost remains the biggest hurdle.

Timeline of Mounjaro in New Zealand

• Before 2026: Mounjaro was available only off-label, mostly for diabetes, and not widely promoted for weight loss.
• December 2025: Medsafe approved Mounjaro for both type 2 diabetes and chronic weight management (Victoria University of Wellington).
• February 2026: Mounjaro begins appearing in NZ pharmacies, including Chemist Warehouse (Pocket Lab).
• May 2026: Pharmac confirms it will not fund Mounjaro or Wegovy for weight loss (Pharmac).

The pattern: approval came fast, but funding did not follow.

Voices on Mounjaro in New Zealand

“Mounjaro’s arrival is a step forward for patients who can afford it, but the cost is a significant barrier for most New Zealanders.”

— Dr Chaey Leem, obesity doctor, speaking to RNZ

“Pharmac has not received an application to fund tirzepatide for weight loss. If a health care professional prescribes it, the patient will need to pay.”

— Pharmac spokesperson, May 2026

For New Zealanders without diabetes, the choice is clear: pay several hundred dollars a month out of pocket, or look to lifestyle-based alternatives that cost less but demand more discipline.

While Mounjaro availability is limited, you can compare it with other weight loss pills in New Zealand to find a suitable alternative.

Frequently asked questions

Related reading

• North West Medical Centre Auckland
• Grey Lynn Family Medical Centre