Centrum vs FullWell:Which is more popular?
In September 2026, Centrum had more branded searches than FullWell among prenatal vitamin brands worldwide. Centrum had about 9,900 branded searches, while FullWell had 8,100. Centrum made up 2.1% of all prenatal vitamin brand searches we track, and FullWell accounted for 1.7%. When we asked ChatGPT and Google AI Overviews about prenatal vitamin brands, neither Centrum nor FullWell appeared in any of the five answers.
Who do people search for more?
Centrum, about 22% more searches than FullWell
Who does AI mention more?
Both were mentioned in 0 of 5 answers.
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Top prenatal vitamin brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, neither Centrum nor FullWell 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.
Nature Made1st
Thorne2nd
Needed3rd
Perelel4th
Ritual5th
One A Day6th
New Chapter7th- Elevit–
Pregnacare–- +1 more
FullWell–- +1 more
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Nature Made5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Perelel2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Ritual2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Needed2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Thorne2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- One A Day1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- New Chapter1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Elevit0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Pregnacare0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- FullWell0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about prenatal vitamin brands
5 answers
Asked ChatGPT
“Which prenatal vitamin brand should I take?”
Asked ChatGPT
“What are the best prenatal vitamin brands?”
Asked ChatGPT
“What's the best prenatal vitamin brand for morning sickness?”
Searched Google, AI Overview
“prenatal vitamins”
Searched Google, AI Overview
“best prenatal vitamins”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 22, 2026.
Is Centrum or FullWell more popular in search?
This chart shows how often people search Google for Centrum and FullWell by name. Each line represents a brand's share of searches for all 12 prenatal vitamin brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Centrum, FullWell. The figures are in the table below the chart.
View monthly share of searches table
| Month | Elevit | Pregnacare | Nature Made | Perelel | Ritual | Needed | Thorne | One A Day | Centrum | FullWell | Garden of Life | New Chapter |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 31% | 25.2% | 9.3% | 6.2% | 7.6% | 5.1% | 5.1% | 3.4% | 1.9% | 1.9% | 2.8% | 0.66% |
| Nov 2025 | 28% | 23% | 10.3% | 8.4% | 8.4% | 5.6% | 5.6% | 3.8% | 1.7% | 2.1% | 2.5% | 0.61% |
| Dec 2025 | 26.8% | 22.1% | 14.8% | 8.1% | 8.1% | 4.4% | 5.4% | 3.6% | 1.6% | 1.6% | 3% | 0.59% |
| Jan 2026 | 27% | 22% | 14.8% | 6.6% | 8.1% | 5.4% | 5.4% | 3.6% | 2% | 1.6% | 3% | 0.58% |
| Feb 2026 | 31% | 20.8% | 11.4% | 7.6% | 9.3% | 5.1% | 5.1% | 3.4% | 1.9% | 1.5% | 2.3% | 0.67% |
| Mar 2026 | 28.5% | 23.2% | 12.8% | 7% | 8.5% | 5.7% | 4.7% | 3.1% | 1.7% | 1.7% | 2.6% | 0.61% |
| Apr 2026 | 25.9% | 21.1% | 21.1% | 6.3% | 7.8% | 5.2% | 4.3% | 2.8% | 1.6% | 1.6% | 1.9% | 0.56% |
| May 2026 | 27.9% | 22.7% | 15.3% | 6.8% | 8.4% | 5.6% | 4.6% | 3.1% | 1.7% | 1.7% | 1.7% | 0.6% |
| Jun 2026 | 26.7% | 21.8% | 17.9% | 6.5% | 8% | 5.4% | 5.4% | 2.9% | 1.3% | 2% | 1.6% | 0.57% |
| Jul 2026 | 26% | 21.2% | 17.4% | 7.8% | 7.8% | 5.2% | 5.2% | 3.5% | 1.6% | 1.9% | 1.9% | 0.56% |
| Aug 2026 | 28.5% | 23.2% | 10.4% | 8.5% | 8.5% | 5.7% | 4.7% | 3.8% | 1.7% | 2.1% | 2.1% | 0.61% |
| Sep 2026 | 28.2% | 23% | 10.4% | 8.5% | 8.5% | 6.9% | 4.6% | 3.8% | 2.1% | 1.7% | 1.7% | 0.61% |
How has the Centrum and FullWell comparison changed over the last 12 months?
3 findings
- The lead changed hands 3 times in the 12 months ending September 2026: Centrum took it in January 2026, FullWell took it in June 2026, Centrum took it in September 2026.
- Across the 12 months ending September 2026, Centrum’s share of searches among prenatal vitamin brands worldwide moved from 1.9% to 2.1%, and its estimated monthly branded searches moved from 8.1K to 9.9K.
- Across the 12 months ending September 2026, FullWell’s share of searches among prenatal vitamin brands worldwide moved from 1.9% to 1.7%, and its estimated monthly branded searches held steady at 8.1K.
How did search popularity change for prenatal vitamin brands worldwide in September 2026?
2 changes
Centrum’s share of searches among prenatal vitamin brands worldwide has gained ground for 3 months in a row, from 1.3% to 2.1% in September 2026.
In September 2026, FullWell fell from 9th to 10th among prenatal vitamin brands worldwide.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Centrum’s and FullWell’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 prenatal vitamin brands
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