Brandwave

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.

Among probiotic brands worldwide in September 2026

Who do people search for more?

Florastor, about 2 searches for every 1 for Culturelle

Florastor 90.5K searchesCulturelle 40.5K searches

Who does AI mention more?

Both were mentioned in 3 of 5 answers.

Culturelle in 3 of 5Florastor in 3 of 5

Who does AI recommend more?

Culturelle, named ahead of Florastor in 2 of 3 answers

Culturelle first in 2Florastor first in 1

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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.

  1. Align1st
  2. Culturelle2nd
  3. Florastor3rd
  4. Garden of Life4th
  5. Yakult–
  6. BLIS–
  7. BioGaia–
  8. Blackmores–
  9. Seed–
  10. Radiance–
  11. +2 more

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

+2 more

See every answer about probiotic brands

5 answers

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.

Culturelle and Florastor among probiotic brands worldwide, by month

Share of searches by month for Florastor, Culturelle. The figures are in the table below the chart.

View monthly share of searches table
MonthYakultBLISBioGaiaBlackmoresSeedFlorastorRadianceAlignCulturelleGarden of LifeBio-KultOptibac
Oct 202531%20.7%16.9%7.6%4.8%4.2%5.1%2.8%2.3%2.3%1.5%0.83%
Nov 202528.1%23%15.4%8.4%5.2%3.8%5.6%3.1%2.5%2.5%1.4%0.92%
Dec 202524.3%24.3%16.3%8.9%4.7%4.9%6%3.3%2.7%2.2%1.5%0.98%
Jan 202624.5%24.5%16.4%7.4%5.6%4%6%3.3%3.3%2.2%1.5%1.2%
Feb 202629.2%19.5%16%7.2%5.5%4.8%5.8%3.9%3.2%2.2%1.4%1.2%
Mar 202630.8%20.6%13.8%7.5%5.8%5%5%3.4%3.4%2.3%1.5%1%
Apr 202631.4%21%14%9.4%5%4.2%5.1%2.8%2.8%1.9%1.3%1%
May 202632%21.4%14.3%7.8%5.2%4.3%5.2%2.9%2.9%1.9%1.3%0.86%
Jun 202629.6%19.8%16.2%8.9%5.8%4.9%4.9%3.3%2.7%1.8%1.2%0.97%
Jul 202626.9%22%18%9.8%5.3%4.4%4.4%3%2.4%1.6%1.1%0.89%
Aug 202627.1%22.2%18.1%9.9%5.3%4.5%4.5%3%2%1.6%1.1%0.89%
Sep 202627.1%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
  1. 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

How the Brand Demand Index is measured

Other head-to-heads among probiotic brands

Creator with pink hair and a pink jacket

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