One A Day vs Seed:Which is more popular?
In September 2026, Seed had more branded searches than One A Day among vitamin and supplement brands in the United States. Seed had about 90,500 branded searches, while One A Day had 9,900. Seed made up 12.4% of all vitamin and supplement brand searches we track, and One A Day accounted for 1.4%. When we asked ChatGPT and Google AI Overviews about vitamin and supplement brands, neither One A Day nor Seed appeared in any of the five answers.
Who do people search for more?
Seed, about 9 searches for every 1 for One A Day
Who does AI mention more?
Both were mentioned in 0 of 5 answers.
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Top vitamin and supplement brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, neither One A Day nor Seed showed up 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.
Nature Made3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Thorne2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Nordic Naturals1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
AG10 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Pure Encapsulations0 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
MaryRuth's0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Ritual0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Vital Proteins0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
One A Day0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about vitamin and supplement brands
5 answers
Asked ChatGPT
“Which vitamin brand should I buy?”
Asked ChatGPT
“What are the most trusted supplement brands?”
Asked ChatGPT
“What is the best multivitamin?”
Searched Google, AI Overview
“vitamins”
Searched Google, AI Overview
“supplements”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in United States on October 26, 2026.
Is One A Day or Seed more popular in search?
This chart shows how often people search Google for One A Day and Seed by name. Each line represents a brand's share of searches for all 15 vitamin and supplement brands we track, month by month, from searches in United States.
Share of searches by month for Seed, One A Day. The figures are in the table below the chart.
View monthly share of searches table
| Month | AG1 | Thorne | Pure Encapsulations | Seed | MaryRuth's | Nordic Naturals | Ritual | Vital Proteins | Nature Made | Centrum | Garden of Life | Olly | HUM Nutrition | New Chapter | One A Day |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 22.1% | 12.1% | 12.1% | 9.9% | 9.9% | 5.4% | 6.6% | 4.4% | 3% | 3% | 3.6% | 3% | 2.4% | 1.1% | 1.3% |
| Nov 2025 | 21.1% | 11.6% | 14.1% | 9.5% | 11.6% | 5.2% | 6.3% | 4.2% | 2.8% | 2.8% | 3.5% | 2.8% | 2.3% | 1% | 1.3% |
| Dec 2025 | 24.8% | 11.2% | 13.6% | 9.1% | 11.2% | 6.1% | 5% | 3.3% | 2.7% | 2.7% | 3.3% | 2.7% | 1.8% | 1% | 1.2% |
| Jan 2026 | 27.5% | 12.3% | 12.3% | 8.3% | 10% | 5.5% | 5.5% | 3.7% | 3% | 2% | 3% | 3% | 1.7% | 0.9% | 1.1% |
| Feb 2026 | 23.3% | 12.7% | 12.7% | 8.6% | 12.7% | 5.7% | 5.7% | 3.8% | 2.6% | 2.1% | 3.1% | 3.1% | 1.7% | 0.94% | 1.1% |
| Mar 2026 | 25.9% | 14.2% | 11.6% | 9.5% | 9.5% | 5.2% | 5.2% | 4.3% | 2.8% | 2.3% | 2.8% | 2.8% | 1.9% | 0.85% | 1% |
| Apr 2026 | 22.8% | 15.3% | 12.5% | 10.3% | 8.4% | 5.6% | 5.6% | 4.6% | 3.1% | 2.5% | 3.1% | 2.5% | 1.7% | 0.92% | 1.1% |
| May 2026 | 23.4% | 15.7% | 12.8% | 10.5% | 8.6% | 5.8% | 5.8% | 3.8% | 2.6% | 2.1% | 2.6% | 2.6% | 1.7% | 0.94% | 1.2% |
| Jun 2026 | 21.4% | 14.3% | 14.3% | 11.7% | 7.8% | 6.4% | 5.2% | 4.3% | 2.9% | 2.3% | 2.9% | 2.3% | 1.6% | 1.3% | 1.3% |
| Jul 2026 | 21.4% | 14.3% | 14.3% | 11.7% | 7.8% | 6.4% | 5.2% | 4.3% | 2.9% | 2.3% | 2.9% | 2.3% | 1.6% | 1.3% | 1.3% |
| Aug 2026 | 20.7% | 17% | 13.8% | 9.3% | 7.6% | 6.2% | 5.1% | 4.2% | 3.4% | 2.8% | 2.8% | 2.8% | 1.5% | 1.2% | 1.5% |
| Sep 2026 | 18.6% | 15.1% | 12.4% | 12.4% | 8.3% | 6.8% | 5.6% | 4.6% | 3.7% | 3.1% | 2.5% | 2.5% | 1.7% | 1.4% | 1.4% |
How has the One A Day and Seed comparison changed over the last 12 months?
3 findings
- Seed was ahead of One A Day in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, One A Day’s share of searches among vitamin and supplement brands in the United States moved from 1.3% to 1.4%, and its estimated monthly branded searches held steady at 9.9K.
- Across the 12 months ending September 2026, Seed’s share of searches among vitamin and supplement brands in the United States moved from 9.9% to 12.4%, and its estimated monthly branded searches moved from 74K to 90.5K.
How did search popularity change for United States vitamin and supplement brands in September 2026?
2 changes
In September 2026, Seed gained share of searches among vitamin and supplement brands in the United States, from 9.3% to 12.4%.
In September 2026, One A Day fell from 14th to 15th among vitamin and supplement brands in the United States.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using One A Day’s and Seed’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 vitamin and supplement brands
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