Align vs Radiance:Which is more popular?
In September 2026, Radiance had more branded searches than Align among probiotic brands worldwide. Radiance had about 90,500 branded searches, while Align had 60,500. Radiance made up 4.5% of all probiotic brand searches we track, and Align accounted for 3%. When we asked ChatGPT and Google AI Overviews about probiotic brands, Align appeared in three of the five answers and Radiance in none.
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Top probiotic brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Align was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Radiance 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.
- 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 Align or Radiance more popular in search?
This chart shows how often people search Google for Align and Radiance 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 Radiance, Align. 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 Align and Radiance comparison changed over the last 12 months?
3 findings
- Radiance was ahead of Align in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Align’s share of searches among probiotic brands worldwide moved from 2.8% to 3%, and its estimated monthly branded searches held steady at 60.5K.
- 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.
How did search popularity change for probiotic brands worldwide in September 2026?
1 change
Estimated monthly branded searches for Radiance worldwide fell 17.7% over 12 measured months, from 110K to 90.5K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Align’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.
Other head-to-heads among probiotic brands
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