---
title: "How popular is Rennie? Searches and AI answers in New Zealand"
description: "Rennie makes antacids for indigestion. 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/nz/brands/rennie"
publisher: "Brandwave"
---

# How popular is Rennie? Searches and AI answers in New Zealand

Rennie makes antacids for indigestion. 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

- **Brand**: Rennie
- **Market**: New Zealand
- **Measured month**: Oct 2026
- **Share of Search among heartburn and indigestion brands**: 1.9%

## Where does Rennie compete?

| Competitive set | Rank | Share of Search | Estimated monthly branded searches |
| --- | --- | --- | --- |
| Heartburn and indigestion brands | 6 | 1.9% | 300 |

- [Heartburn and indigestion brands](/demand/nz/categories/nz-heartburn-and-digestive-brands)

## 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.

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 |
| --- | --- | --- | --- | --- |
| Gaviscon | 1st | 3 of 3 | 1 of 2 | 4 of 5 |
| Quick-Eze | 2nd | 3 of 3 | 1 of 2 | 4 of 5 |
| Mylanta | 3rd | 3 of 3 | 2 of 2 | 5 of 5 |
| Losec | 4th | 1 of 3 | 1 of 2 | 2 of 5 |
| Nexium | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |
| Rennie | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |
| Eno | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 |

## Every AI answer about heartburn and indigestion brands

- Asked ChatGPT "Which heartburn and indigestion relief brand should I buy in New Zealand?": 1. Gaviscon, 2. Quick-Eze, 3. Mylanta
- Asked ChatGPT "What are the best heartburn and indigestion relief brands in New Zealand?": 1. Gaviscon, 2. Mylanta, 3. Quick-Eze
- Asked ChatGPT "What's the best heartburn and indigestion relief brand in New Zealand for acid reflux?": 1. Gaviscon, 2. Mylanta, 3. Quick-Eze, 4. Losec
- Searched Google, AI Overview "best heartburn relief": 1. Mylanta
- Searched Google, AI Overview "indigestion tablets nz": 1. Quick-Eze, 2. Gaviscon, 3. Mylanta, 4. Losec

Not named in any answer: Nexium, Rennie and Eno.

Brands are listed in the order each answer named them. The answers were collected in New Zealand on October 21, 2026.

## How has branded search demand for Rennie changed in New Zealand over the last 12 months?

- 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?

- 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.

## Historical estimated branded-search demand

| Month | Competitive set | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Nov 2025 | Heartburn and indigestion brands | 180 | 1.9% | 6 |
| Dec 2025 | Heartburn and indigestion brands | 230 | 2.3% | 6 |
| Jan 2026 | Heartburn and indigestion brands | 210 | 2% | 6 |
| Feb 2026 | Heartburn and indigestion brands | 230 | 2.4% | 6 |
| Mar 2026 | Heartburn and indigestion brands | 570 | 5.2% | 5 |
| Apr 2026 | Heartburn and indigestion brands | 220 | 2.2% | 6 |
| May 2026 | Heartburn and indigestion brands | 250 | 2.3% | 6 |
| Jun 2026 | Heartburn and indigestion brands | 240 | 2.1% | 6 |
| Jul 2026 | Heartburn and indigestion brands | 350 | 2.9% | 6 |
| Aug 2026 | Heartburn and indigestion brands | 380 | 3.1% | 6 |
| Sep 2026 | Heartburn and indigestion brands | 300 | 2.2% | 6 |
| Oct 2026 | Heartburn and indigestion brands | 300 | 1.9% | 6 |

## How are Rennie’s branded searches counted?

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”

## Which heartburn and indigestion brands compete with Rennie?

- [Gaviscon](/demand/nz/brands/gaviscon)
- [Quick-Eze](/demand/nz/brands/quick-eze): Head-to-head: /demand/nz/compare/quick-eze-vs-rennie
- [Losec](/demand/nz/brands/losec): Head-to-head: /demand/nz/compare/losec-vs-rennie
- [Nexium](/demand/nz/brands/nexium): Head-to-head: /demand/nz/compare/nexium-vs-rennie
- [Mylanta](/demand/nz/brands/mylanta): Head-to-head: /demand/nz/compare/mylanta-vs-rennie
- [Eno](/demand/nz/brands/eno): Head-to-head: /demand/nz/compare/eno-vs-rennie

## Methodology

- [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Cite this page

Brandwave. "How popular is Rennie? Searches and AI answers in New Zealand". https://gobrandwave.com/demand/nz/brands/rennie

This page is also available as HTML at https://gobrandwave.com/demand/nz/brands/rennie. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.
