Musashi vs Optimum Nutrition:Which is more popular?
In September 2026, Optimum Nutrition had more branded searches than Musashi among sports supplement brands worldwide. Optimum Nutrition had about 368,000 branded searches, while Musashi had 246,000. Optimum Nutrition made up 19.3% of all sports supplement brand searches we track, and Musashi accounted for 12.9%. When we asked ChatGPT and Google AI Overviews about sports supplement brands, Optimum Nutrition appeared in all five answers and Musashi in none.
Who do people search for more?
Optimum Nutrition, about 50% more searches than Musashi
Who does AI mention more?
Optimum Nutrition, mentioned in every answer we collected
Who does AI recommend more?
Optimum Nutrition, the only one of the two named
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Top sports supplement brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Optimum Nutrition appeared in all five answers. Musashi did not appear in any of the five 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.
Optimum Nutrition5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Thorne3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers- Momentous2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Myprotein0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Musashi0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers- BSc0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about sports supplement brands
5 answers
Asked ChatGPT
“Which sports supplement brand should I buy?”
Asked ChatGPT
“What are the best sports supplement brands?”
Asked ChatGPT
“What's the best sports supplement brand for protein for training?”
Searched Google, AI Overview
“sports supplement brands”
Searched Google, AI Overview
“sports nutrition supplements”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Musashi or Optimum Nutrition more popular in search?
This chart shows how often people search Google for Musashi and Optimum Nutrition by name. Each line represents a brand's share of searches for all six sports supplement brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Optimum Nutrition, Musashi. The figures are in the table below the chart.
View monthly share of searches table
| Month | Myprotein | Optimum Nutrition | Musashi | Momentous | BSc | Thorne |
|---|---|---|---|---|---|---|
| Oct 2025 | 59.1% | 21.8% | 14.5% | 4.4% | 0.09% | 0.09% |
| Nov 2025 | 73% | 14.7% | 9.8% | 2.4% | 0.05% | 0.05% |
| Dec 2025 | 64.3% | 15.8% | 15.8% | 3.9% | 0.08% | 0.08% |
| Jan 2026 | 67.9% | 16.7% | 11.1% | 4.1% | 0.07% | 0.07% |
| Feb 2026 | 64.3% | 19.4% | 13% | 3.2% | 0.07% | 0.07% |
| Mar 2026 | 60% | 18.1% | 18.1% | 3.6% | 0.08% | 0.08% |
| Apr 2026 | 63.8% | 19.2% | 12.9% | 3.9% | 0.13% | 0.1% |
| May 2026 | 65.3% | 19.7% | 10.8% | 4% | 0.16% | 0.1% |
| Jun 2026 | 59.6% | 21.9% | 14.7% | 3.6% | 0.14% | 0.1% |
| Jul 2026 | 56.8% | 25.6% | 14% | 3.4% | 0.14% | 0.09% |
| Aug 2026 | 56.4% | 25.4% | 13.9% | 4.2% | 0.09% | 0.09% |
| Sep 2026 | 63.8% | 19.3% | 12.9% | 3.9% | 0.08% | 0.07% |
How has the Musashi and Optimum Nutrition comparison changed over the last 12 months?
3 findings
- Optimum Nutrition was ahead of Musashi in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Musashi’s share of searches among sports supplement brands worldwide moved from 14.5% to 12.9%, and its estimated monthly branded searches held steady at 246K.
- Across the 12 months ending September 2026, Optimum Nutrition’s share of searches among sports supplement brands worldwide moved from 21.8% to 19.3%, and its estimated monthly branded searches held steady at 368K.
How did search popularity change for sports supplement brands worldwide in September 2026?
2 changes

In September 2026, Optimum Nutrition lost share of searches among sports supplement brands worldwide, from 25.4% to 19.3%.

In September 2026, Musashi lost share of searches among sports supplement brands worldwide, from 13.9% to 12.9%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Musashi’s 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.
Musashi
1 branded search term
- musashi
Optimum Nutrition
1 branded search term
- optimum nutrition
Other head-to-heads among sports supplement brands

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