Hiya vs Renzo's:Which is more popular?
In September 2026, Hiya had more branded searches than Renzo's among kids' vitamin brands in the United States. Hiya had about 40,500 branded searches, while Renzo's had 2,900. Hiya made up 20% of all kids' vitamin brand searches we track, and Renzo's accounted for 1.4%. When we asked ChatGPT and Google AI Overviews about kids' vitamin brands, Hiya and Renzo's each appeared in four of the five answers. Hiya and Renzo's were each mentioned first in two of the four answers.
Who do people search for more?
Hiya, about 14 searches for every 1 for Renzo's
Who does AI mention more?
Both were mentioned in 4 of 5 answers.
Who does AI recommend more?
Each is named first in 2 of 4 answers.
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Top kids' vitamin brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Hiya was mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. Renzo's was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Hiya and Renzo's were each listed first in two of the four answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
SmartyPants1st
Hiya2nd
Renzo's3rd
L'il Critters4th
Flintstones5th
MaryRuth's6th
Zarbee's–
Llama Naturals–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Hiya4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Renzo's4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
SmartyPants4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
MaryRuth's1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Flintstones1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
L'il Critters1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Zarbee's0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Llama Naturals0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about kids' vitamin brands
5 answers
Asked ChatGPT
“Which kids' vitamin brand should I buy in the US?”
Asked ChatGPT
“What are the best kids' vitamin brands in the US?”
Asked ChatGPT
“What's the best kids' multivitamin in the US for picky eaters?”
Searched Google, AI Overview
“childrens multivitamin”
- 1
Hiya
- 1
Searched Google, AI Overview
“best kids vitamins”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in United States on October 22, 2026.
Is Hiya or Renzo's more popular in search?
This chart shows how often people search Google for Hiya and Renzo's by name. Each line represents a brand's share of searches for all eight kids' vitamin brands we track, month by month, from searches in United States.
Share of searches by month for Hiya, Renzo's. The figures are in the table below the chart.
View monthly share of searches table
| Month | MaryRuth's | Flintstones | Hiya | Zarbee's | L'il Critters | Llama Naturals | Renzo's | SmartyPants |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 36.5% | 20% | 16.3% | 13.3% | 10.9% | 1.2% | 1.2% | 0.64% |
| Nov 2025 | 40% | 17.9% | 14.6% | 14.6% | 9.8% | 1.3% | 1.1% | 0.58% |
| Dec 2025 | 41.5% | 15.2% | 15.2% | 15.2% | 10.2% | 1.1% | 1.1% | 0.6% |
| Jan 2026 | 41.4% | 18.6% | 15.2% | 12.5% | 8.4% | 1.7% | 1.4% | 0.9% |
| Feb 2026 | 46.6% | 17.2% | 14% | 11.5% | 7.7% | 1.2% | 1.2% | 0.55% |
| Mar 2026 | 42% | 18.8% | 15.4% | 10.3% | 10.3% | 1.3% | 1.3% | 0.6% |
| Apr 2026 | 37.4% | 20.4% | 16.7% | 11.2% | 11.2% | 1.2% | 1.2% | 0.66% |
| May 2026 | 39.4% | 21.5% | 14.4% | 9.6% | 11.8% | 1.3% | 1.3% | 0.69% |
| Jun 2026 | 38% | 20.8% | 17% | 9.3% | 11.4% | 1.5% | 1.2% | 0.82% |
| Jul 2026 | 34.7% | 23.2% | 19% | 6.9% | 12.7% | 1.4% | 1.1% | 0.92% |
| Aug 2026 | 30.5% | 25% | 20.4% | 9.1% | 11.2% | 1.5% | 1.5% | 0.81% |
| Sep 2026 | 29.8% | 24.4% | 20% | 13.4% | 8.9% | 1.4% | 1.4% | 0.64% |
How has the Hiya and Renzo's comparison changed over the last 12 months?
3 findings
- Hiya was ahead of Renzo's in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Hiya’s share of searches among kids' vitamin brands in the United States moved from 16.3% to 20%, and its estimated monthly branded searches moved from 33.1K to 40.5K.
- Across the 12 months ending September 2026, Renzo's’ share of searches among kids' vitamin brands in the United States moved from 1.2% to 1.4%, and its estimated monthly branded searches moved from 2.4K to 2.9K.
How did search popularity change for United States kids' vitamin brands in September 2026?
2 changes
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Hiya’s and Renzo'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 kids' vitamin brands

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