Bulk Nutrients vs Optimum Nutrition:Which is more popular?
In September 2026, Bulk Nutrients had more branded searches than Optimum Nutrition among protein powder brands in Australia. Bulk Nutrients had about 74,000 branded searches, while Optimum Nutrition had 9,900. Bulk Nutrients made up 27.1% of all protein powder brand searches we track, and Optimum Nutrition accounted for 3.6%. When we asked ChatGPT and Google AI Overviews about protein powder brands, Bulk Nutrients appeared in all four answers and Optimum Nutrition in three. Bulk Nutrients was mentioned before Optimum Nutrition in two out of three answers.
Who do people search for more?
Bulk Nutrients, about 7 searches for every 1 for Optimum Nutrition
Who does AI mention more?
Bulk Nutrients, mentioned in every answer we collected
Who does AI recommend more?
Bulk Nutrients, named ahead of Optimum Nutrition in 2 of 3 answers
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Top protein powder brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and one Google AI Overview, Bulk Nutrients appeared in all four answers. Optimum Nutrition was mentioned in three out of four: in two of the three ChatGPT answers and in the Google AI Overview. Bulk Nutrients was listed before Optimum Nutrition in two out of three answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Bulk Nutrients4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
True Protein3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
Optimum Nutrition3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
Muscle Nation1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
Macro Mike1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
Myprotein0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
EHP Labs0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
See every answer about protein powder brands
4 answers
Asked ChatGPT
“Which protein powder brand should I buy in Australia?”
Asked ChatGPT
“What are the best protein powder brands in Australia?”
Asked ChatGPT
“What's the best value protein powder in Australia?”
Searched Google, AI Overview
“protein powder”
Google showed no AI Overview for this search.
Searched Google, AI Overview
“best protein powder”
Brands are shown in the order each answer named them. The survey took place in Australia on October 22, 2026.
Is Bulk Nutrients or Optimum Nutrition more popular in search?
This chart shows how often people search Google for Bulk Nutrients and Optimum Nutrition by name. Each line represents a brand's share of searches for all seven protein powder brands we track, month by month, from searches in Australia.
Share of searches by month for Bulk Nutrients, Optimum Nutrition. The figures are in the table below the chart.
View monthly share of searches table
| Month | Muscle Nation | Bulk Nutrients | True Protein | Macro Mike | Myprotein | Optimum Nutrition | EHP Labs |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 34.2% | 27.9% | 12.5% | 10.2% | 6.8% | 3.7% | 4.6% |
| Nov 2025 | 55.3% | 16.6% | 9.1% | 6.1% | 5% | 1.8% | 6.1% |
| Dec 2025 | 46.2% | 25.4% | 7.6% | 7.6% | 6.2% | 2.8% | 4.2% |
| Jan 2026 | 32.2% | 32.2% | 11.8% | 9.6% | 6.4% | 3.5% | 4.3% |
| Feb 2026 | 35.1% | 28.7% | 12.8% | 8.6% | 7% | 3.8% | 3.8% |
| Mar 2026 | 41.4% | 27.8% | 10.2% | 8.3% | 5.6% | 3.7% | 3% |
| Apr 2026 | 40.4% | 27.2% | 12.2% | 8.2% | 5.4% | 3.6% | 3% |
| May 2026 | 35% | 28.6% | 15.7% | 8.6% | 5.7% | 3.8% | 2.6% |
| Jun 2026 | 47.5% | 21.3% | 9.5% | 11.7% | 4.3% | 2.9% | 2.9% |
| Jul 2026 | 35.1% | 28.7% | 12.8% | 10.5% | 5.7% | 4.7% | 2.6% |
| Aug 2026 | 41.6% | 27.9% | 12.5% | 8.4% | 4.6% | 3.1% | 2% |
| Sep 2026 | 40.3% | 27.1% | 12.1% | 9.9% | 4.4% | 3.6% | 2.4% |
How has the Bulk Nutrients and Optimum Nutrition comparison changed over the last 12 months?
3 findings
- Bulk Nutrients was ahead of Optimum Nutrition in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Bulk Nutrients’ share of searches among protein powder brands in Australia moved from 27.9% to 27.1%, and its estimated monthly branded searches held steady at 74K.
- Across the 12 months ending September 2026, Optimum Nutrition’s share of searches among protein powder brands in Australia moved from 3.7% to 3.6%, and its estimated monthly branded searches held steady at 9.9K.
How did search popularity change for Australia protein powder brands in September 2026?
2 changes

In September 2026, Optimum Nutrition gained share of searches among protein powder brands in Australia, from 3.1% to 3.6%.

In September 2026, Bulk Nutrients lost share of searches among protein powder brands in Australia, from 27.9% to 27.1%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Bulk Nutrients’ and Optimum Nutrition’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.
Bulk Nutrients
1 branded search term
- bulk nutrients
Optimum Nutrition
1 branded search term
- optimum nutrition
Other head-to-heads among protein powder brands

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