Brandwave

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.

Search and AI answers in September 2026
  1. The Man ShakeShare of searches 37.2%Mentioned in 2 of 5 AI answersPlace in AI recommendations 2nd
  2. OptifastShare of searches 24.8%Mentioned in 2 of 5 AI answersPlace in AI recommendations 4th
  3. The Lady ShakeShare of searches 16.6%Mentioned in 3 of 5 AI answersPlace in AI recommendations 1st
  4. OptiSlimShare of searches 13.6%Mentioned in 1 of 5 AI answersPlace in AI recommendations 3rd
  5. 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.

  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.

How the Brand Demand Index is measured

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