--- title: "Bio-Kult vs Radiance: Which is searched more?" description: "Is Bio-Kult or Radiance more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Probiotic brands set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time." canonical: "https://gobrandwave.com/demand/global-en/compare/bio-kult-vs-radiance" publisher: "Brandwave" --- # Bio-Kult vs Radiance: Which is searched more? Is Bio-Kult or Radiance more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Probiotic brands set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time. ## Key facts - **Compared**: Bio-Kult and Radiance - **Competitive set**: Probiotic brands - **Market**: Global - **Month measured**: Sep 2026 - **Bio-Kult Share of Search**: 1.1% - **Radiance Share of Search**: 4.5% ## Is Bio-Kult or Radiance more popular in search? - In September 2026, Radiance had more branded searches than Bio-Kult among probiotic brands worldwide. Radiance had about 90,500 branded searches, while Bio-Kult had 22,200. Radiance made up 4.5% of all probiotic brand searches we track, and Bio-Kult accounted for 1.1%. - Radiance was ahead of Bio-Kult in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Bio-Kult’s share of searches among probiotic brands worldwide moved from 1.5% to 1.1%, and its estimated monthly branded searches moved from 33.1K to 22.2K. - Across the 12 months ending September 2026, Radiance’s share of searches among probiotic brands worldwide moved from 5.1% to 4.5%, and its estimated monthly branded searches moved from 110K to 90.5K. ## Top probiotic brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, neither Bio-Kult nor Radiance showed up in any of the five answers. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Align | 1st | 3 of 3 | 0 of 2 | 3 of 5 | | Culturelle | 2nd | 3 of 3 | 0 of 2 | 3 of 5 | | Florastor | 3rd | 3 of 3 | 0 of 2 | 3 of 5 | | Garden of Life | 4th | 1 of 3 | 0 of 2 | 1 of 5 | | Yakult | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | BLIS | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | BioGaia | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Blackmores | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Seed | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Radiance | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Bio-Kult | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Optibac | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about probiotic brands - Asked ChatGPT "Which probiotic brand should I buy?": 1. Align, 2. Florastor, 3. Culturelle - Asked ChatGPT "What are the best probiotic brands?": 1. Culturelle, 2. Align, 3. Florastor, 4. Garden of Life - Asked ChatGPT "What's the best probiotic brand for gut health?": 1. Align, 2. Culturelle, 3. Florastor - Searched Google, AI Overview "probiotic for gut health": named none of the brands we track - Searched Google, AI Overview "probiotic supplements": named none of the brands we track Not named in any answer: Yakult, BLIS, BioGaia, Blackmores, Seed, Radiance, Bio-Kult and Optibac. Brands are listed in the order each answer named them. The answers were collected in the United States on October 21, 2026. ## How did search popularity change for probiotic brands worldwide in September 2026? - Estimated monthly branded searches for Bio-Kult worldwide fell 32.9% over 12 measured months, from 33.1K to 22.2K in September 2026. - Estimated monthly branded searches for Radiance worldwide fell 17.7% over 12 measured months, from 110K to 90.5K in September 2026. ## Month by month | Month | Bio-Kult estimated searches | Bio-Kult Share of Search | Bio-Kult rank | Radiance estimated searches | Radiance Share of Search | Radiance rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 33.1K | 1.5% | 11 | 110K | 5.1% | 5 | | Nov 2025 | 27.1K | 1.4% | 11 | 110K | 5.6% | 5 | | Dec 2025 | 27.1K | 1.5% | 11 | 110K | 6% | 5 | | Jan 2026 | 33.1K | 1.5% | 11 | 135K | 6% | 5 | | Feb 2026 | 27.1K | 1.4% | 11 | 110K | 5.8% | 5 | | Mar 2026 | 33.1K | 1.5% | 11 | 110K | 5% | 7 | | Apr 2026 | 27.1K | 1.3% | 11 | 110K | 5.1% | 5 | | May 2026 | 27.1K | 1.3% | 11 | 110K | 5.2% | 5 | | Jun 2026 | 22.2K | 1.2% | 11 | 90.5K | 4.9% | 7 | | Jul 2026 | 22.2K | 1.1% | 11 | 90.5K | 4.4% | 7 | | Aug 2026 | 22.2K | 1.1% | 11 | 90.5K | 4.5% | 7 | | Sep 2026 | 22.2K | 1.1% | 11 | 90.5K | 4.5% | 7 | ## How each brand is measured Brandwave collects information about searches that people make online using Bio-Kult’s and Radiance’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. - **Bio-Kult**: Measured on the search term “bio kult”. - **Radiance**: Measured on the search term “radiance”. - [Bio-Kult profile](/demand/global-en/brands/bio-kult) - [Radiance profile](/demand/global-en/brands/radiance) - [All probiotic brands worldwide](/demand/global-en/categories/probiotic-brands): The set both shares are measured inside, 12 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is Bio-Kult or Radiance more popular in search? In September 2026, Radiance had more branded searches than Bio-Kult among probiotic brands worldwide. Radiance had about 90,500 branded searches, while Bio-Kult had 22,200. Radiance made up 4.5% of all probiotic brand searches we track, and Bio-Kult accounted for 1.1%. ## Cite this page Brandwave. "Bio-Kult vs Radiance: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/bio-kult-vs-radiance This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/bio-kult-vs-radiance. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.