Meal replacement brands in Australia:Which are most popular?
In September 2026, The Man Shake was the most searched meal replacement brand in Australia, accounting for 37.2% of all searches among the six brands we track. When we checked with ChatGPT and Google AI Overviews, The Lady Shake was mentioned most often, in three of the five answers. The Lady Shake was recommended most often, coming first in one out of four responses that gave a list.
The Man ShakeShare of searches 37.2%Mentioned in 2 of 5 AI answersPlace in AI recommendations 2nd
OptifastShare of searches 24.8%Mentioned in 2 of 5 AI answersPlace in AI recommendations 4th- The Lady ShakeShare of searches 16.6%Mentioned in 3 of 5 AI answersPlace in AI recommendations 1st
OptiSlimShare of searches 13.6%Mentioned in 1 of 5 AI answersPlace in AI recommendations 3rd
HuelShare of searches 3.9%Mentioned in 1 of 5 AI answersPlace in AI recommendations 6th
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Top meal replacement brands in ChatGPT and Google AI Overviews
In Brandwave's three ChatGPT questions and two Google AI Overviews, The Lady Shake was mentioned most often, in three of the five answers. The Lady Shake was recommended most often, coming first in one out of four answers that gave a list. The Man Shake was second, and OptiSlim was third.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
- The Lady Shake1st
The Man Shake2nd
OptiSlim3rd
Optifast4th
IsoWhey5th
Huel6th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- The Lady Shake3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
The Man Shake2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Optifast2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
IsoWhey2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
OptiSlim1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Huel1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
See every answer about meal replacement brands
5 answers
Asked ChatGPT
“Which meal replacement shake should I buy in Australia?”
Asked ChatGPT
“What are the best meal replacement shakes in Australia?”
Asked ChatGPT
“What's the best meal replacement shake for weight loss?”
Searched Google, AI Overview
“meal replacement shakes”
Searched Google, AI Overview
“meal replacement”
Brands are shown in the order each answer named them. The survey took place in Australia on October 26, 2026.
Which meal replacement brands do people search for most?
This chart shows how often people search Google for each meal replacement brand by name. Each line represents a brand's share of searches for all six meal replacement brands we track, month by month, from searches in Australia.
Share of searches by month for The Man Shake, Optifast, The Lady Shake, OptiSlim, Huel, IsoWhey. The figures are in the table below the chart.
View monthly share of searches table
| Month | The Man Shake | Optifast | The Lady Shake | OptiSlim | Huel | IsoWhey |
|---|---|---|---|---|---|---|
| Oct 2025 | 35.8% | 23.9% | 19.5% | 13.1% | 3.9% | 3.9% |
| Nov 2025 | 41.6% | 22.7% | 18.6% | 10.1% | 2.5% | 4.5% |
| Dec 2025 | 38.6% | 25.8% | 17.3% | 11.5% | 2.8% | 4.1% |
| Jan 2026 | 41.8% | 22.8% | 18.6% | 10.2% | 2.9% | 3.7% |
| Feb 2026 | 36.7% | 24.5% | 20.1% | 11% | 3.9% | 3.9% |
| Mar 2026 | 35.6% | 23.8% | 19.5% | 10.6% | 5.7% | 4.7% |
| Apr 2026 | 31.6% | 31.6% | 17.3% | 11.5% | 4.1% | 4.1% |
| May 2026 | 33.7% | 27.6% | 18.5% | 12.3% | 4.3% | 3.6% |
| Jun 2026 | 33.9% | 27.8% | 18.6% | 12.4% | 3.7% | 3.7% |
| Jul 2026 | 35.2% | 28.7% | 15.7% | 12.8% | 3.8% | 3.8% |
| Aug 2026 | 33.5% | 27.4% | 18.3% | 12.2% | 4.3% | 4.3% |
| Sep 2026 | 37.2% | 24.8% | 16.6% | 13.6% | 3.9% | 3.9% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 37.2% | 18.1K | +22.3% | +3.7 points | |
| 2, held 2nd | 24.8% | 12.1K | 0% | -2.5 points | |
| 3, held 3rd | 16.6% | 8.1K | 0% | -1.7 points | |
| 4, held 4th | 13.6% | 6.6K | +22.2% | +1.3 points | |
| 5, held 5th | 3.9% | 1.9K | 0% | -0.4 points | |
| 6, held 6th | 3.9% | 1.9K | 0% | -0.4 points |
37.2%
Held 1st. 18.1K estimated branded searches, +22.3% vs prior month. Share +3.7 points.
2.
Optifast24.8%
Held 2nd. 12.1K estimated branded searches, 0% vs prior month. Share -2.5 points.
16.6%
Held 3rd. 8.1K estimated branded searches, 0% vs prior month. Share -1.7 points.
4.
OptiSlim13.6%
Held 4th. 6.6K estimated branded searches, +22.2% vs prior month. Share +1.3 points.
5.
Huel3.9%
Held 5th. 1.9K estimated branded searches, 0% vs prior month. Share -0.4 points.
6.
IsoWhey3.9%
Held 6th. 1.9K estimated branded searches, 0% vs prior month. Share -0.4 points.
Which brand is most popular in search among meal replacement brands in Australia?
6 brands
In September 2026, The Man Shake was the most searched among meal replacement brands in Australia, with an estimated 18.1K branded searches, 37.2% of all searches for the six we track. Optifast is in 2nd place, 12.3 percentage points behind at 24.8%.
| Brand | Share of searches | Peak | Low | Rank |
|---|---|---|---|---|
| 35.8% → 37.2% | 41.8%Jan 2026 | 31.6%Apr 2026 | 1st | |
| 23.9% → 24.8% | 31.6%Apr 2026 | 22.7%Nov 2025 | 2nd | |
| The Lady Shake | 19.5% → 16.6% | 20.1%Feb 2026 | 15.7%Jul 2026 | 3rd |
| 13.1% → 13.6% | 13.6%Sep 2026 | 10.1%Nov 2025 | 4th | |
| 3.9% | 5.7%Mar 2026 | 2.5%Nov 2025 | 5th | |
| 3.9% | 4.7%Mar 2026 | 3.6%May 2026 | 6th |
Each finding as a sentence
- Across the 12 months ending September 2026, The Man Shake’s share of searches among meal replacement brands in Australia increased from 35.8% to 37.2%.
- Across the 12 months ending September 2026, Optifast’s share of searches among meal replacement brands in Australia increased from 23.9% to 24.8%.
- Across the 12 months ending September 2026, The Lady Shake’s share of searches among meal replacement brands in Australia decreased from 19.5% to 16.6%.
- Across the 12 months ending September 2026, The Man Shake’s share of searches among meal replacement brands in Australia peaked at 41.8% in January 2026 and was lowest at 31.6% in April 2026.
- Across the 12 months ending September 2026, Optifast’s share of searches among meal replacement brands in Australia peaked at 31.6% in April 2026 and was lowest at 22.7% in November 2025.
- Across the 12 months ending September 2026, The Lady Shake’s share of searches among meal replacement brands in Australia peaked at 20.1% in February 2026 and was lowest at 15.7% in July 2026.
- Across the 12 months ending September 2026, OptiSlim’s share of searches among meal replacement brands in Australia peaked at 13.6% in September 2026 and was lowest at 10.1% in November 2025.
- Across the 12 months ending September 2026, Huel’s share of searches among meal replacement brands in Australia peaked at 5.7% in March 2026 and was lowest at 2.5% in November 2025.
- Across the 12 months ending September 2026, IsoWhey’s share of searches among meal replacement brands in Australia peaked at 4.7% in March 2026 and was lowest at 3.6% in May 2026.
- Across the 12 months ending September 2026, OptiSlim, Huel and IsoWhey held steady: their share of searches among meal replacement brands in Australia each moved less than 0.5 percentage points.
How did search popularity change for Australia meal replacement brands in September 2026?
6 changes

In September 2026, The Man Shake gained share of searches among meal replacement brands in Australia, from 33.5% to 37.2%.

In September 2026, OptiSlim gained share of searches among meal replacement brands in Australia, from 12.2% to 13.6%.

In September 2026, Optifast lost share of searches among meal replacement brands in Australia, from 27.4% to 24.8%.
In September 2026, The Lady Shake lost share of searches among meal replacement brands in Australia, from 18.3% to 16.6%.

Estimated monthly branded searches for Huel in Australia fell 20.8% over 12 measured months, from 2.4K to 1.9K in September 2026.

Estimated monthly branded searches for IsoWhey in Australia fell 20.8% over 12 measured months, from 2.4K to 1.9K in September 2026.
How are branded searches counted for meal replacement brands?
6 search terms
Each brand's share of searches among meal replacement brands 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.
The Man Shake
1 branded search term
- man shake
Optifast
1 branded search term
- optifast
The Lady Shake
1 branded search term
- lady shake
OptiSlim
1 branded search term
- optislim
Huel
1 branded search term
- huel
IsoWhey
1 branded search term
- isowhey
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