BioGaia vs Yakult:Which is more popular?
In September 2026, Yakult had more branded searches than BioGaia among probiotic brands in New Zealand. Yakult had about 3,010 branded searches, while BioGaia had 1,080. Yakult made up 24.7% of all probiotic brand searches we track, and BioGaia accounted for 8.9%. When we asked ChatGPT and Google AI Overviews about probiotic brands, BioGaia appeared in one of the five answers and Yakult in none.
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Top probiotic brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, BioGaia was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. Yakult 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.
Go Healthy4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Inner Health3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Clinicians2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
BioGaia1 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
Blackmores0 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
Life-Space0 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
Seed0 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 in New Zealand?”
Asked ChatGPT
“What are the best probiotic brands in New Zealand?”
Asked ChatGPT
“What's the best probiotic brand in New Zealand for gut health?”
Searched Google, AI Overview
“probiotic nz”
Searched Google, AI Overview
“gut health supplement”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.
Is BioGaia or Yakult more popular in search?
This chart shows how often people search Google for BioGaia and Yakult by name. Each line represents a brand's share of searches for all ten probiotic brands we track, month by month, from searches in New Zealand.
Share of searches by month for Yakult, BioGaia. The figures are in the table below the chart.
View monthly share of searches table
| Month | Yakult | Clinicians | Blackmores | Go Healthy | Inner Health | BioGaia | BLIS | Life-Space | Radiance | Seed |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 24.8% | 17.7% | 14.5% | 19.2% | 10.3% | 4.4% | 5.3% | 3.1% | 0.62% | 0.09% |
| Nov 2025 | 24.9% | 18.7% | 15.6% | 19.2% | 9.7% | 4.5% | 4.5% | 2.4% | 0.56% | 0.09% |
| Dec 2025 | 24.7% | 16.2% | 16.5% | 18% | 11.1% | 5.8% | 4.4% | 2.7% | 0.45% | 0% |
| Jan 2026 | 26.8% | 16.3% | 15.7% | 19.2% | 9.3% | 5.8% | 3.8% | 2.7% | 0.39% | 0.1% |
| Feb 2026 | 28.9% | 16.4% | 17.5% | 16.2% | 8.4% | 5.9% | 3.5% | 2.7% | 0.31% | 0.1% |
| Mar 2026 | 25.1% | 18.7% | 16.4% | 18.3% | 9.4% | 5% | 3.9% | 2.8% | 0.35% | 0.09% |
| Apr 2026 | 25.4% | 15.4% | 16.3% | 17.9% | 10.2% | 7.6% | 3.4% | 3.3% | 0.54% | 0% |
| May 2026 | 24.8% | 18.3% | 15.7% | 16.9% | 8.6% | 7.5% | 4.6% | 3.1% | 0.51% | 0.08% |
| Jun 2026 | 25.1% | 18.4% | 15% | 16.2% | 10.6% | 6.8% | 4.4% | 3% | 0.43% | 0.09% |
| Jul 2026 | 26.6% | 18% | 15.1% | 13.7% | 11.2% | 6.3% | 5.5% | 3% | 0.51% | 0.08% |
| Aug 2026 | 24.3% | 18.1% | 14.8% | 15.2% | 11.2% | 6.4% | 6.7% | 2.9% | 0.31% | 0.08% |
| Sep 2026 | 24.7% | 17.8% | 15.7% | 13.5% | 10.7% | 8.9% | 5.2% | 3% | 0.49% | 0.08% |
How has the BioGaia and Yakult comparison changed over the last 12 months?
3 findings
- Yakult was ahead of BioGaia in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, BioGaia’s share of searches among probiotic brands in New Zealand moved from 4.4% to 8.9%, and its estimated monthly branded searches moved from 500 to 1.1K.
- Across the 12 months ending September 2026, Yakult’s share of searches among probiotic brands in New Zealand moved from 24.8% to 24.7%, and its estimated monthly branded searches moved from 2.8K to 3K.
How did search popularity change for New Zealand probiotic brands in September 2026?
1 change
In September 2026, BioGaia overtook BLIS to rank 6th among probiotic brands in New Zealand, with 8.9% of the searches.
How are branded searches counted?
17 search terms
Brandwave collects information about searches that people make online using BioGaia’s and Yakult’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.
BioGaia
10 branded search terms
- bio gaia
- bio gaia gastrus
- bio gaia probiotic
- biogaia gastrus
- biogaia infant probiotics
- biogaia probiotic
- biogaia probiotic newborn
- biogaia protectis
- biogaia reuteri
- prodentis biogaia
Yakult
7 branded search terms
- milk yakult
- yakult
- yakult drink
- yakult drink probiotic
- yakult gut health
- yakult lite
- yakult probiotic
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