How popular isRennie?
In October 2026, people searched for Rennie by name about 300 times in New Zealand, a 66.7% increase from the previous year. These searches made up 1.9% of all New Zealand heartburn and indigestion brand searches, placing Rennie sixth out of seven brands. When we asked both ChatGPT and Google AI Overviews about heartburn and indigestion brands, Rennie did not appear in any of the answers.
Rennie is the sixth most searched of 7 competitors and not named in the AI answers we collected.
GavisconShare of searches 52.2%Mentioned in 4 of 5 AI answersPlace in AI recommendations 1st
Quick-EzeShare of searches 17.7%Mentioned in 4 of 5 AI answersPlace in AI recommendations 2nd
LosecShare of searches 10.4%Mentioned in 2 of 5 AI answersPlace in AI recommendations 4th
NexiumShare of searches 9.7%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
RennieShare of searches 1.9%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
Follow Rennie and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
Top heartburn and indigestion brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Rennie did not appear 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.
How often do people search for Rennie compared with other New Zealand heartburn and indigestion brands?
Share of searches by month for Gaviscon, Quick-Eze, Losec, Nexium, Mylanta, 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% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 52.2% | 8.2K | +1.9% | -6.7 points | |
| 2, held 2nd | 17.7% | 2.8K | +23.6% | +1.2 points | |
| 3, held 3rd | 10.4% | 1.6K | +29.1% | +1.1 points | |
| 4, moved from 5th to 4th | 9.7% | 1.5K | +204% | +6 pointsmoved from 5th to 4th | |
| 5, moved from 4th to 5th | 7.4% | 1.2K | -4.1% | -1.5 pointsmoved from 4th to 5th | |
| 6, held 6th | 1.9% | 300 | 0% | -0.3 points | |
| 7, held 7th | 0.76% | 120 | +33.3% | +0.1 points |
1.
Gaviscon52.2%
Held 1st. 8.2K estimated branded searches, +1.9% vs prior month. Share -6.7 points.
17.7%
Held 2nd. 2.8K estimated branded searches, +23.6% vs prior month. Share +1.2 points.
3.
Losec10.4%
Held 3rd. 1.6K estimated branded searches, +29.1% vs prior month. Share +1.1 points.
4.
Nexium9.7%
Moved from 5th to 4th. 1.5K estimated branded searches, +204% vs prior month. Share +6 points.
5.
Mylanta7.4%
Moved from 4th to 5th. 1.2K estimated branded searches, -4.1% vs prior month. Share -1.5 points.
6.
Rennie1.9%
Held 6th. 300 estimated branded searches, 0% vs prior month. Share -0.3 points.
7.Eno
0.76%
Held 7th. 120 estimated branded searches, +33.3% vs prior month. Share +0.1 points.
Compare popularity between Rennie and its closest rivals
Every comparison with Rennie
6 comparisons
How has branded search demand for Rennie changed in New Zealand over the last 12 months?
2 findings
- Across the 12 months ending October 2026, estimated monthly branded searches for Rennie in New Zealand rose from 180 to 300.
- Across the 12 months ending October 2026, Rennie’s share of searches among heartburn and indigestion brands in New Zealand peaked at 5.2% in March 2026 and was lowest at 1.9% in October 2026.
How did search popularity change for New Zealand heartburn and indigestion brands in October 2026?
6 changes

In October 2026, Nexium overtook Mylanta to rank 4th among heartburn and indigestion brands in New Zealand, with 9.7% of the searches.

In October 2026, Quick-Eze gained share of searches among heartburn and indigestion brands in New Zealand, from 16.4% to 17.7%.

In October 2026, Losec gained share of searches among heartburn and indigestion brands in New Zealand, from 9.3% to 10.4%.

In October 2026, Gaviscon lost share of searches among heartburn and indigestion brands in New Zealand, from 58.9% to 52.2%.

In October 2026, Mylanta lost share of searches among heartburn and indigestion brands in New Zealand, from 8.9% to 7.4%.

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 Rennie’s branded searches counted?
10 search terms
Brandwave collects information about searches that people make online using Rennie’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.
- rennie
- rennie duo
- rennie duo liquid
- rennie heart burn
- rennie indigestion
- rennie liquid
- rennie peppermint
- rennie spearmint
- rennie tablets
- rennies indigestion tablets
Do you work for Rennie? To request corrections or removal please contact us via our support page and we will be happy to assist.

Is Rennie your brand?
Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.