Weight loss programmes in New Zealand:Which are most popular?
In October 2026, Optifast was the most searched weight loss programme in New Zealand, accounting for 57% of all searches among the four programmes tracked by the Brandwave Brand Demand Index. When we checked with ChatGPT and Google AI Overviews, Green Prescription was mentioned most often, in three of the five answers.
OptifastShare of searches 57%Mentioned in 1 of 5 AI answers- Green PrescriptionShare of searches 24.8%Mentioned in 3 of 5 AI answers
Weight WatchersShare of searches 13.1%Mentioned in 1 of 5 AI answers
Jenny CraigShare of searches 5.1%Mentioned in 0 of 5 AI answers
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Top weight loss programmes in ChatGPT and Google AI Overviews
In Brandwave's three ChatGPT questions and two Google AI Overviews, Green Prescription was mentioned most often, in three of the five answers. Jenny Craig, which ranked fourth in searches, was not mentioned at all.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Green Prescription3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Optifast1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Weight Watchers1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Jenny Craig0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about weight loss programmes
5 answers
Asked ChatGPT
“Which weight loss programme should I join in New Zealand?”
Asked ChatGPT
“What are the best weight loss programmes in New Zealand?”
Asked ChatGPT
“What's the best weight loss programme in New Zealand for steady weight loss?”
Searched Google, AI Overview
“weight loss programme nz”
Searched Google, AI Overview
“weight loss plan nz”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.
Which weight loss programmes do people search for most?
This chart shows how often people search Google for each weight loss programme by name. Each line represents a brand's share of searches for all four weight loss programmes we track, month by month, from searches in New Zealand.
Share of searches by month for Optifast, Green Prescription, Weight Watchers, Jenny Craig. The figures are in the table below the chart.
View monthly share of searches table
| Month | Optifast | Green Prescription | Weight Watchers | Jenny Craig |
|---|---|---|---|---|
| Nov 2025 | 57.2% | 14.7% | 21.7% | 6.5% |
| Dec 2025 | 45.7% | 14.4% | 32.1% | 7.8% |
| Jan 2026 | 47.2% | 13.2% | 31.8% | 7.8% |
| Feb 2026 | 53% | 17.5% | 22.7% | 6.8% |
| Mar 2026 | 49.4% | 22% | 22% | 6.6% |
| Apr 2026 | 50.7% | 17.7% | 23% | 8.5% |
| May 2026 | 46.2% | 21.3% | 26.2% | 6.4% |
| Jun 2026 | 50.3% | 21.6% | 21.6% | 6.5% |
| Jul 2026 | 55.7% | 18.5% | 18.5% | 7.2% |
| Aug 2026 | 56.1% | 18.4% | 18.4% | 7.2% |
| Sep 2026 | 56% | 21.2% | 16.3% | 6.4% |
| Oct 2026 | 57% | 24.8% | 13.1% | 5.1% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 57% | 4.4K | +27.1% | +0.9 points | |
| 2, held 2nd | 24.8% | 1.9K | +46.2% | +3.6 points | |
| 3, held 3rd | 13.1% | 1K | 0% | -3.3 points | |
| 4, held 4th | 5.1% | 390 | 0% | -1.3 points |
1.
Optifast57%
Held 1st. 4.4K estimated branded searches, +27.1% vs prior month. Share +0.9 points.
24.8%
Held 2nd. 1.9K estimated branded searches, +46.2% vs prior month. Share +3.6 points.
13.1%
Held 3rd. 1K estimated branded searches, 0% vs prior month. Share -3.3 points.
5.1%
Held 4th. 390 estimated branded searches, 0% vs prior month. Share -1.3 points.
Which brand is most popular in search among weight loss programmes in New Zealand?
4 brands
In October 2026, Optifast was the most searched among weight loss programmes in New Zealand, with an estimated 4.4K branded searches, 57% of all searches for the four tracked by the Brandwave Brand Demand Index. Green Prescription is in 2nd place, 32.2 percentage points behind at 24.8%.
| Brand | Share of searches | Peak | Low | Rank |
|---|---|---|---|---|
| 57.2% → 57% | 57.2%Nov 2025 | 45.7%Dec 2025 | 1st | |
| Green Prescription | 14.7% → 24.8% | 24.8%Oct 2026 | 13.2%Jan 2026 | 3rd → 2nd |
| 21.7% → 13.1% | 32.1%Dec 2025 | 13.1%Oct 2026 | 2nd → 3rd | |
| 6.5% → 5.1% | 8.5%Apr 2026 | 5.1%Oct 2026 | 4th |
Each finding as a sentence
- Across the 12 months ending October 2026, Green Prescription’s share of searches among weight loss programmes in New Zealand increased from 14.7% to 24.8%.
- Across the 12 months ending October 2026, Weight Watchers’ share of searches among weight loss programmes in New Zealand decreased from 21.7% to 13.1%.
- Across the 12 months ending October 2026, Jenny Craig’s share of searches among weight loss programmes in New Zealand decreased from 6.5% to 5.1%.
- Across the 12 months ending October 2026, Optifast’s share of searches among weight loss programmes in New Zealand peaked at 57.2% in November 2025 and was lowest at 45.7% in December 2025.
- Across the 12 months ending October 2026, Green Prescription’s share of searches among weight loss programmes in New Zealand peaked at 24.8% in October 2026 and was lowest at 13.2% in January 2026.
- Across the 12 months ending October 2026, Weight Watchers’ share of searches among weight loss programmes in New Zealand peaked at 32.1% in December 2025 and was lowest at 13.1% in October 2026.
- Across the 12 months ending October 2026, Jenny Craig’s share of searches among weight loss programmes in New Zealand peaked at 8.5% in April 2026 and was lowest at 5.1% in October 2026.
- Across the 12 months ending October 2026, Green Prescription rose from 3rd to 2nd among weight loss programmes in New Zealand.
- Across the 12 months ending October 2026, Weight Watchers fell from 2nd to 3rd among weight loss programmes in New Zealand.
- Across the 12 months ending October 2026, Optifast held steady: its share of searches among weight loss programmes in New Zealand moved less than 0.5 percentage points.
How did search popularity change for New Zealand weight loss programmes in October 2026?
4 changes
In October 2026, Green Prescription gained share of searches among weight loss programmes in New Zealand, from 21.2% to 24.8%.

In October 2026, Optifast gained share of searches among weight loss programmes in New Zealand, from 56% to 57%.

In October 2026, Weight Watchers lost share of searches among weight loss programmes in New Zealand, from 16.3% to 13.1%.

In October 2026, Jenny Craig lost share of searches among weight loss programmes in New Zealand, from 6.4% to 5.1%.
How are branded searches counted for weight loss programmes?
13 search terms
Each brand's share of searches among weight loss programmes comes from the terms listed under its name. When people mostly search for a brand because of something else it sells, only the searches that name this product count here.
Optifast
10 branded search terms
- chocolate optifast
- optifast
- optifast bars
- optifast chocolate bars
- optifast dessert
- optifast diet
- optifast protein plus
- optifast soup
- optifast vlcd
- optifast weight loss
Green Prescription
1 branded search term
- green prescription
Weight Watchers
1 branded search term
- weight watchers
Jenny Craig
1 branded search term
- jenny craig
Compare popularity between leading brands
Optifast vs Green Prescription: compare popularity
Optifast vs Weight Watchers: compare popularity
Optifast vs Jenny Craig: compare popularity
Green Prescription vs Weight Watchers: compare popularity
Green Prescription vs Jenny Craig: compare popularity
Weight Watchers vs Jenny Craig: compare popularity- Compare any of these brands

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