Culturelle vs Florastor:Which is more popular?
In September 2026, Florastor had more branded searches than Culturelle among probiotic brands worldwide. Florastor had about 90,500 branded searches, while Culturelle had 40,500. Florastor made up 4.5% of all probiotic brand searches we track, and Culturelle accounted for 2%. When we asked ChatGPT and Google AI Overviews about probiotic brands, Culturelle and Florastor each appeared in three of the five answers. Culturelle was mentioned before Florastor in two out of three answers.
Who do people search for more?
Florastor, about 2 searches for every 1 for Culturelle
Who does AI mention more?
Both were mentioned in 3 of 5 answers.
Who does AI recommend more?
Culturelle, named ahead of Florastor in 2 of 3 answers
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Top probiotic brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Culturelle and Florastor were each mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Culturelle was listed before Florastor 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.
- Florastor3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Align3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Culturelle3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Garden of Life1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Yakult0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
BLIS0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
BioGaia0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Blackmores0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Seed0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Radiance0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about probiotic brands
5 answers
Asked ChatGPT
“Which probiotic brand should I buy?”
Asked ChatGPT
“What are the best probiotic brands?”
Asked ChatGPT
“What's the best probiotic brand for gut health?”
Searched Google, AI Overview
“probiotic for gut health”
Searched Google, AI Overview
“probiotic supplements”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Culturelle or Florastor more popular in search?
This chart shows how often people search Google for Culturelle and Florastor by name. Each line represents a brand's share of searches for all 12 probiotic brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Florastor, Culturelle. The figures are in the table below the chart.
View monthly share of searches table
| Month | Yakult | BLIS | BioGaia | Blackmores | Seed | Florastor | Radiance | Align | Culturelle | Garden of Life | Bio-Kult | Optibac |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 31% | 20.7% | 16.9% | 7.6% | 4.8% | 4.2% | 5.1% | 2.8% | 2.3% | 2.3% | 1.5% | 0.83% |
| Nov 2025 | 28.1% | 23% | 15.4% | 8.4% | 5.2% | 3.8% | 5.6% | 3.1% | 2.5% | 2.5% | 1.4% | 0.92% |
| Dec 2025 | 24.3% | 24.3% | 16.3% | 8.9% | 4.7% | 4.9% | 6% | 3.3% | 2.7% | 2.2% | 1.5% | 0.98% |
| Jan 2026 | 24.5% | 24.5% | 16.4% | 7.4% | 5.6% | 4% | 6% | 3.3% | 3.3% | 2.2% | 1.5% | 1.2% |
| Feb 2026 | 29.2% | 19.5% | 16% | 7.2% | 5.5% | 4.8% | 5.8% | 3.9% | 3.2% | 2.2% | 1.4% | 1.2% |
| Mar 2026 | 30.8% | 20.6% | 13.8% | 7.5% | 5.8% | 5% | 5% | 3.4% | 3.4% | 2.3% | 1.5% | 1% |
| Apr 2026 | 31.4% | 21% | 14% | 9.4% | 5% | 4.2% | 5.1% | 2.8% | 2.8% | 1.9% | 1.3% | 1% |
| May 2026 | 32% | 21.4% | 14.3% | 7.8% | 5.2% | 4.3% | 5.2% | 2.9% | 2.9% | 1.9% | 1.3% | 0.86% |
| Jun 2026 | 29.6% | 19.8% | 16.2% | 8.9% | 5.8% | 4.9% | 4.9% | 3.3% | 2.7% | 1.8% | 1.2% | 0.97% |
| Jul 2026 | 26.9% | 22% | 18% | 9.8% | 5.3% | 4.4% | 4.4% | 3% | 2.4% | 1.6% | 1.1% | 0.89% |
| Aug 2026 | 27.1% | 22.2% | 18.1% | 9.9% | 5.3% | 4.5% | 4.5% | 3% | 2% | 1.6% | 1.1% | 0.89% |
| Sep 2026 | 27.1% | 22.2% | 18.1% | 9.9% | 5.2% | 4.5% | 4.5% | 3% | 2% | 1.6% | 1.1% | 0.89% |
How has the Culturelle and Florastor comparison changed over the last 12 months?
3 findings
- Florastor was ahead of Culturelle in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Culturelle’s share of searches among probiotic brands worldwide moved from 2.3% to 2%, and its estimated monthly branded searches moved from 49.5K to 40.5K.
- Across the 12 months ending September 2026, Florastor’s share of searches among probiotic brands worldwide moved from 4.2% to 4.5%, and its estimated monthly branded searches held steady at 90.5K.
How did search popularity change for probiotic brands worldwide in September 2026?
1 change

Estimated monthly branded searches for Culturelle worldwide fell 18.2% over 12 measured months, from 49.5K to 40.5K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Culturelle’s and Florastor’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.
Culturelle
1 branded search term
- culturelle probiotic
Florastor
1 branded search term
- florastor
Other head-to-heads among probiotic brands

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