Nexium vs Rennie:Which is more popular in New Zealand?
In October 2026, Nexium had more branded searches than Rennie among heartburn and indigestion brands in New Zealand. Nexium had about 1,520 branded searches, while Rennie had 300. Nexium made up 9.7% of all heartburn and indigestion brand searches we track, and Rennie accounted for 1.9%. When we asked ChatGPT and Google AI Overviews about heartburn and indigestion brands, neither Nexium nor Rennie appeared in any of the five answers.
Who do people search for more?
Nexium, about 5 searches for every 1 for Rennie
Who does AI mention more?
Both were mentioned in 0 of 5 answers.
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Top heartburn and indigestion brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, neither Nexium nor Rennie 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.
Mylanta5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Gaviscon4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Quick-Eze4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Losec2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers- Nexium0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Rennie0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Eno0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about heartburn and indigestion brands
5 answers
Asked ChatGPT
“Which heartburn and indigestion relief brand should I buy in New Zealand?”
Asked ChatGPT
“What are the best heartburn and indigestion relief brands in New Zealand?”
Asked ChatGPT
“What's the best heartburn and indigestion relief brand in New Zealand for acid reflux?”
Searched Google, AI Overview
“best heartburn relief”
Searched Google, AI Overview
“indigestion tablets nz”
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.
Is Nexium or Rennie more popular in search?
This chart shows how often people search Google for Nexium and Rennie by name. Each line represents a brand's share of searches for all seven heartburn and indigestion brands we track, month by month, from searches in New Zealand.
Share of searches by month for Nexium, Rennie. The figures are in the table below the chart.
View monthly share of searches table
| Month | Gaviscon | Quick-Eze | Losec | Nexium | Mylanta | Rennie | Eno |
|---|---|---|---|---|---|---|---|
| Nov 2025 | 53.7% | 13.2% | 12.4% | 5.7% | 11.7% | 1.9% | 1.4% |
| Dec 2025 | 51.7% | 15.6% | 11.4% | 8.9% | 9% | 2.3% | 1.1% |
| Jan 2026 | 50.3% | 17.9% | 12.4% | 6.1% | 9.8% | 2% | 1.5% |
| Feb 2026 | 54.8% | 13% | 12.1% | 5.5% | 11.1% | 2.4% | 1.1% |
| Mar 2026 | 52.4% | 14.2% | 11.9% | 5.1% | 10% | 5.2% | 1.2% |
| Apr 2026 | 53.5% | 14.8% | 13.1% | 5.3% | 10.1% | 2.2% | 0.98% |
| May 2026 | 53.7% | 17.3% | 10.7% | 4.9% | 10% | 2.3% | 1.1% |
| Jun 2026 | 57.3% | 16.7% | 10% | 3.8% | 9.2% | 2.1% | 0.87% |
| Jul 2026 | 56% | 15.8% | 10.7% | 4% | 9.5% | 2.9% | 1.2% |
| Aug 2026 | 54.5% | 18.2% | 9.2% | 4.6% | 9.6% | 3.1% | 0.8% |
| Sep 2026 | 58.9% | 16.4% | 9.3% | 3.7% | 8.9% | 2.2% | 0.66% |
| Oct 2026 | 52.2% | 17.7% | 10.4% | 9.7% | 7.4% | 1.9% | 0.76% |
How has branded search for Nexium and Rennie changed in New Zealand over the last 12 months?
3 findings
- The lead changed hands 2 times in the 12 months ending October 2026: Rennie took it in March 2026, Nexium took it in April 2026.
- Across the 12 months ending October 2026, Nexium’s share of searches among heartburn and indigestion brands in New Zealand moved from 5.7% to 9.7%, and its estimated monthly branded searches moved from 530 to 1.5K.
- Across the 12 months ending October 2026, Rennie’s share of searches among heartburn and indigestion brands in New Zealand held steady at 1.9%, and its estimated monthly branded searches moved from 180 to 300.
How did search popularity change for New Zealand heartburn and indigestion brands in October 2026?
2 changes
In October 2026, Nexium overtook Mylanta to rank 4th among heartburn and indigestion brands in New Zealand, with 9.7% of the searches.
Estimated monthly branded searches for Rennie in New Zealand rose 66.7% over 12 measured months, from 180 to 300 in October 2026.
How are Nexium’s and Rennie’s branded searches counted?
19 search terms
Brandwave collects information about searches that people make online using Nexium’s and Rennie’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.
Nexium
9 branded search terms
- nexium
- nexium and gerd
- nexium control
- nexium drug
- nexium omeprazole
- nexium pills
- nexium tablets
- nexium v omeprazole
- omeprazole v nexium
Rennie
10 branded search terms
- rennie
- rennie duo
- rennie duo liquid
- rennie heart burn
- rennie indigestion
- rennie liquid
- rennie peppermint
- rennie spearmint
- rennie tablets
- rennies indigestion tablets
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