--- title: "One A Day vs Thorne: Which is searched more in the United States?" description: "Is One A Day or Thorne more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Vitamin and supplement brands set in the United States. 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/us/compare/one-a-day-vs-thorne" publisher: "Brandwave" --- # One A Day vs Thorne: Which is searched more in the United States? Is One A Day or Thorne more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Vitamin and supplement brands set in the United States. 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**: One A Day and Thorne - **Competitive set**: Vitamin and supplement brands - **Market**: United States - **Month measured**: Sep 2026 - **One A Day Share of Search**: 1.4% - **Thorne Share of Search**: 15.1% ## Is One A Day or Thorne more popular in search? - In September 2026, Thorne had more branded searches than One A Day among vitamin and supplement brands in the United States. Thorne had about 110,000 branded searches, while One A Day had 9,900. Thorne made up 15.1% of all vitamin and supplement brand searches we track, and One A Day accounted for 1.4%. - Thorne 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, Thorne’s share of searches among vitamin and supplement brands in the United States moved from 12.1% to 15.1%, and its estimated monthly branded searches moved from 90.5K to 110K. ## Top vitamin and supplement brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Thorne was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. One A Day did not appear 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 | | --- | --- | --- | --- | --- | | Nature Made | 1st | 3 of 3 | 0 of 2 | 3 of 5 | | Thorne | 2nd | 2 of 3 | 0 of 2 | 2 of 5 | | Nordic Naturals | 3rd | 1 of 3 | 0 of 2 | 1 of 5 | | AG1 | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Pure Encapsulations | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Seed | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | MaryRuth's | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Ritual | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Vital Proteins | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Centrum | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Garden of Life | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Olly | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | HUM Nutrition | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | New Chapter | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | One A Day | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about vitamin and supplement brands - Asked ChatGPT "Which vitamin brand should I buy?": 1. Nature Made, 2. Thorne - Asked ChatGPT "What are the most trusted supplement brands?": 1. Thorne, 2. Nature Made, 3. Nordic Naturals - Asked ChatGPT "What is the best multivitamin?": 1. Nature Made - Searched Google, AI Overview "vitamins": named none of the brands we track - Searched Google, AI Overview "supplements": named none of the brands we track Not named in any answer: AG1, Pure Encapsulations, Seed, MaryRuth's, Ritual, Vital Proteins, Centrum, Garden of Life, Olly, HUM Nutrition, New Chapter and One A Day. Brands are listed in the order each answer named them. The answers were collected in United States on October 26, 2026. ## How did search popularity change for United States vitamin and supplement brands in September 2026? - In September 2026, Thorne lost share of searches among vitamin and supplement brands in the United States, from 17% to 15.1%. - In September 2026, One A Day fell from 14th to 15th among vitamin and supplement brands in the United States. ## Month by month | Month | One A Day estimated searches | One A Day Share of Search | One A Day rank | Thorne estimated searches | Thorne Share of Search | Thorne rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 9.9K | 1.3% | 14 | 90.5K | 12.1% | 3 | | Nov 2025 | 9.9K | 1.3% | 14 | 90.5K | 11.6% | 4 | | Dec 2025 | 9.9K | 1.2% | 14 | 90.5K | 11.2% | 4 | | Jan 2026 | 12.1K | 1.1% | 14 | 135K | 12.3% | 3 | | Feb 2026 | 9.9K | 1.1% | 14 | 110K | 12.7% | 4 | | Mar 2026 | 9.9K | 1% | 14 | 135K | 14.2% | 2 | | Apr 2026 | 9.9K | 1.1% | 14 | 135K | 15.3% | 2 | | May 2026 | 9.9K | 1.2% | 14 | 135K | 15.7% | 2 | | Jun 2026 | 9.9K | 1.3% | 15 | 110K | 14.3% | 3 | | Jul 2026 | 9.9K | 1.3% | 15 | 110K | 14.3% | 3 | | Aug 2026 | 12.1K | 1.5% | 14 | 135K | 17% | 2 | | Sep 2026 | 9.9K | 1.4% | 15 | 110K | 15.1% | 2 | ## How each brand is measured Brandwave collects information about searches that people make online using One A Day’s and Thorne’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. - **One A Day**: Measured on the search term “one a day vitamins”. - **Thorne**: Measured on the search term “thorne”. - [One A Day profile](/demand/us/brands/one-a-day) - [Thorne profile](/demand/us/brands/thorne) - [All vitamin and supplement brands in the United States](/demand/us/categories/us-vitamin-brands): The set both shares are measured inside, 15 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 One A Day or Thorne more popular in search? In September 2026, Thorne had more branded searches than One A Day among vitamin and supplement brands in the United States. Thorne had about 110,000 branded searches, while One A Day had 9,900. Thorne made up 15.1% of all vitamin and supplement brand searches we track, and One A Day accounted for 1.4%. ## Cite this page Brandwave. "One A Day vs Thorne: Which is searched more in the United States?". https://gobrandwave.com/demand/us/compare/one-a-day-vs-thorne This page is also available as HTML at https://gobrandwave.com/demand/us/compare/one-a-day-vs-thorne. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.