Brandwave

The Lady Shake vs Optifast:Which is more popular?

In September 2026, Optifast had more branded searches than The Lady Shake among meal replacement brands in Australia. Optifast had about 12,100 branded searches, while The Lady Shake had 8,100. Optifast made up 24.8% of all meal replacement brand searches we track, and The Lady Shake accounted for 16.6%. When we asked ChatGPT and Google AI Overviews about meal replacement brands, The Lady Shake appeared in three of the five answers and Optifast in two. The Lady Shake was mentioned before Optifast in every answer that named either.

Among meal replacement brands in Australia in September 2026

Who do people search for more?

Optifast, about 49% more searches than The Lady Shake

Optifast 12.1K searchesThe Lady Shake 8.1K searches

Who does AI mention more?

The Lady Shake, mentioned in 3 of 5 answers, Optifast in 2

The Lady Shake in 3 of 5Optifast in 2 of 5

Who does AI recommend more?

The Lady Shake, named ahead of Optifast in 3 of 3 answers

The Lady Shake first in 3Optifast never first

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Top meal replacement brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, The Lady Shake was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Optifast was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. The Lady Shake was listed before Optifast in every answer that named either.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. The Lady Shake1st
  2. The Man Shake2nd
  3. OptiSlim3rd
  4. Optifast4th
  5. IsoWhey5th
  6. 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

Brands are shown in the order each answer named them. The survey took place in Australia on October 26, 2026.

Is The Lady Shake or Optifast more popular in search?

This chart shows how often people search Google for The Lady Shake and Optifast 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.

The Lady Shake and Optifast among meal replacement brands in Australia, by month

Share of searches by month for Optifast, The Lady Shake. The figures are in the table below the chart.

View monthly share of searches table
MonthThe Man ShakeOptifastThe Lady ShakeOptiSlimHuelIsoWhey
Oct 202535.8%23.9%19.5%13.1%3.9%3.9%
Nov 202541.6%22.7%18.6%10.1%2.5%4.5%
Dec 202538.6%25.8%17.3%11.5%2.8%4.1%
Jan 202641.8%22.8%18.6%10.2%2.9%3.7%
Feb 202636.7%24.5%20.1%11%3.9%3.9%
Mar 202635.6%23.8%19.5%10.6%5.7%4.7%
Apr 202631.6%31.6%17.3%11.5%4.1%4.1%
May 202633.7%27.6%18.5%12.3%4.3%3.6%
Jun 202633.9%27.8%18.6%12.4%3.7%3.7%
Jul 202635.2%28.7%15.7%12.8%3.8%3.8%
Aug 202633.5%27.4%18.3%12.2%4.3%4.3%
Sep 202637.2%24.8%16.6%13.6%3.9%3.9%

How has the The Lady Shake and Optifast comparison changed over the last 12 months?

3 findings

How did search popularity change for Australia meal replacement brands in September 2026?

2 changes
  1. In September 2026, Optifast lost share of searches among meal replacement brands in Australia, from 27.4% to 24.8%.

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

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using The Lady Shake’s and Optifast’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

The Lady Shake

1 branded search term

  • lady shake

Optifast

1 branded search term

  • optifast

How the Brand Demand Index is measured

Other head-to-heads among meal replacement brands

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