---
title: "Heartburn and indigestion brands: Which are searched most?"
description: "Compare the heartburn, reflux and indigestion relief brands people buy. Share of Search among Gaviscon, Nexium, Eno, Mylanta and Rennie, the heartburn and indigestion brands Brandwave compares worldwide, using the same methodology, market, and reporting period. 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/global-en/categories/heartburn-and-digestive-brands"
publisher: "Brandwave"
---

# Heartburn and indigestion brands: Which are searched most?

Compare the heartburn, reflux and indigestion relief brands people buy. Share of Search among Gaviscon, Nexium, Eno, Mylanta and Rennie, the heartburn and indigestion brands Brandwave compares worldwide, using the same methodology, market, and reporting period. 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

- **Competitive set**: Heartburn and indigestion brands
- **Market**: Global
- **Brands compared**: 5
- **Month measured**: Sep 2026
- **Highest Share of Search**: Gaviscon, 46.6%

## Which brand is most popular in search among heartburn and indigestion brands worldwide?

- In September 2026, Gaviscon was the most searched among heartburn and indigestion brands worldwide, with an estimated 823K branded searches and 46.6% estimated Share of Search within this set.
- Nexium is in 2nd place, 25.7 percentage points behind at 20.8% Share of Search.
- Across the 12 months ending September 2026, Gaviscon’s estimated Share of Search among heartburn and indigestion brands worldwide increased from 43.9% to 46.6%.
- Across the 12 months ending September 2026, Nexium’s estimated Share of Search among heartburn and indigestion brands worldwide decreased from 24% to 20.8%.
- Across the 12 months ending September 2026, Eno’s estimated Share of Search among heartburn and indigestion brands worldwide increased from 16.1% to 17%.
- Across the 12 months ending September 2026, Mylanta’s estimated Share of Search among heartburn and indigestion brands worldwide increased from 8.8% to 9.3%.
- Across the 12 months ending September 2026, Rennie’s estimated Share of Search among heartburn and indigestion brands worldwide decreased from 7.2% to 6.2%.
- Across the 12 months ending September 2026, Gaviscon’s estimated Share of Search among heartburn and indigestion brands worldwide peaked at 46.6% in May 2026 and was lowest at 42.4% in December 2025.
- Across the 12 months ending September 2026, Nexium’s estimated Share of Search among heartburn and indigestion brands worldwide peaked at 24.3% in April 2026 and was lowest at 20.5% in February 2026.
- Across the 12 months ending September 2026, Eno’s estimated Share of Search among heartburn and indigestion brands worldwide peaked at 19% in December 2025 and was lowest at 16.1% in October 2025.
- Across the 12 months ending September 2026, Rennie’s estimated Share of Search among heartburn and indigestion brands worldwide peaked at 7.5% in February 2026 and was lowest at 5.9% in April 2026.

## Compare search popularity between leading brands

- [Gaviscon vs Nexium: compare search popularity](/demand/global-en/compare/gaviscon-vs-nexium): 46.6% against 20.8% Share of Search.
- [Gaviscon vs Eno: compare search popularity](/demand/global-en/compare/eno-vs-gaviscon): 46.6% against 17% Share of Search.
- [Gaviscon vs Mylanta: compare search popularity](/demand/global-en/compare/gaviscon-vs-mylanta): 46.6% against 9.3% Share of Search.
- [Gaviscon vs Rennie: compare search popularity](/demand/global-en/compare/gaviscon-vs-rennie): 46.6% against 6.2% Share of Search.
- [Nexium vs Eno: compare search popularity](/demand/global-en/compare/eno-vs-nexium): 20.8% against 17% Share of Search.
- [Nexium vs Mylanta: compare search popularity](/demand/global-en/compare/mylanta-vs-nexium): 20.8% against 9.3% Share of Search.
- [Nexium vs Rennie: compare search popularity](/demand/global-en/compare/nexium-vs-rennie): 20.8% against 6.2% Share of Search.
- [Eno vs Mylanta: compare search popularity](/demand/global-en/compare/eno-vs-mylanta): 17% against 9.3% Share of Search.
- [Eno vs Rennie: compare search popularity](/demand/global-en/compare/eno-vs-rennie): 17% against 6.2% Share of Search.
- [Mylanta vs Rennie: compare search popularity](/demand/global-en/compare/mylanta-vs-rennie): 9.3% against 6.2% Share of Search.

## How did search popularity change for heartburn and indigestion brands worldwide in September 2026?

- Estimated monthly branded searches for Rennie worldwide fell 18.5% over 12 measured months, from 135K to 110K in September 2026.
- Estimated monthly branded searches for Nexium worldwide fell 18.2% over 12 measured months, from 450K to 368K in September 2026.

## Share of Search ranking

| Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by |
| --- | --- | --- | --- | --- | --- |
| 1 | Gaviscon | 46.6% | 823K | 0.0% | Reckitt |
| 2 | Nexium | 20.8% | 368K | 0.0% | Nexium |
| 3 | Eno | 17% | 301K | 0.0% | Eno |
| 4 | Mylanta | 9.3% | 165K | 0.0% | Mylanta |
| 5 | Rennie | 6.2% | 110K | 0.0% | Rennie |

## Historical estimated branded-search demand

| Month | Brand | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | Gaviscon | 823K | 43.9% | 1 |
| Oct 2025 | Nexium | 450K | 24% | 2 |
| Oct 2025 | Eno | 301K | 16.1% | 3 |
| Oct 2025 | Mylanta | 165K | 8.8% | 4 |
| Oct 2025 | Rennie | 135K | 7.2% | 5 |
| Nov 2025 | Gaviscon | 823K | 43.9% | 1 |
| Nov 2025 | Nexium | 450K | 24% | 2 |
| Nov 2025 | Eno | 301K | 16.1% | 3 |
| Nov 2025 | Mylanta | 165K | 8.8% | 4 |
| Nov 2025 | Rennie | 135K | 7.2% | 5 |
| Dec 2025 | Gaviscon | 823K | 42.4% | 1 |
| Dec 2025 | Nexium | 450K | 23.2% | 2 |
| Dec 2025 | Eno | 368K | 19% | 3 |
| Dec 2025 | Mylanta | 165K | 8.5% | 4 |
| Dec 2025 | Rennie | 135K | 7% | 5 |
| Jan 2026 | Gaviscon | 823K | 43.9% | 1 |
| Jan 2026 | Nexium | 450K | 24% | 2 |
| Jan 2026 | Eno | 301K | 16.1% | 3 |
| Jan 2026 | Mylanta | 165K | 8.8% | 4 |
| Jan 2026 | Rennie | 135K | 7.2% | 5 |
| Feb 2026 | Gaviscon | 823K | 45.9% | 1 |
| Feb 2026 | Nexium | 368K | 20.5% | 2 |
| Feb 2026 | Eno | 301K | 16.8% | 3 |
| Feb 2026 | Mylanta | 165K | 9.2% | 4 |
| Feb 2026 | Rennie | 135K | 7.5% | 5 |
| Mar 2026 | Gaviscon | 823K | 43.9% | 1 |
| Mar 2026 | Nexium | 450K | 24% | 2 |
| Mar 2026 | Eno | 301K | 16.1% | 3 |
| Mar 2026 | Mylanta | 165K | 8.8% | 4 |
| Mar 2026 | Rennie | 135K | 7.2% | 5 |
| Apr 2026 | Gaviscon | 823K | 44.5% | 1 |
| Apr 2026 | Nexium | 450K | 24.3% | 2 |
| Apr 2026 | Eno | 301K | 16.3% | 3 |
| Apr 2026 | Mylanta | 165K | 8.9% | 4 |
| Apr 2026 | Rennie | 110K | 5.9% | 5 |
| May 2026 | Gaviscon | 823K | 46.6% | 1 |
| May 2026 | Nexium | 368K | 20.8% | 2 |
| May 2026 | Eno | 301K | 17% | 3 |
| May 2026 | Mylanta | 165K | 9.3% | 4 |
| May 2026 | Rennie | 110K | 6.2% | 5 |
| Jun 2026 | Gaviscon | 823K | 46.6% | 1 |
| Jun 2026 | Nexium | 368K | 20.8% | 2 |
| Jun 2026 | Eno | 301K | 17% | 3 |
| Jun 2026 | Mylanta | 165K | 9.3% | 4 |
| Jun 2026 | Rennie | 110K | 6.2% | 5 |
| Jul 2026 | Gaviscon | 823K | 46.6% | 1 |
| Jul 2026 | Nexium | 368K | 20.8% | 2 |
| Jul 2026 | Eno | 301K | 17% | 3 |
| Jul 2026 | Mylanta | 165K | 9.3% | 4 |
| Jul 2026 | Rennie | 110K | 6.2% | 5 |
| Aug 2026 | Gaviscon | 823K | 46.6% | 1 |
| Aug 2026 | Nexium | 368K | 20.8% | 2 |
| Aug 2026 | Eno | 301K | 17% | 3 |
| Aug 2026 | Mylanta | 165K | 9.3% | 4 |
| Aug 2026 | Rennie | 110K | 6.2% | 5 |
| Sep 2026 | Gaviscon | 823K | 46.6% | 1 |
| Sep 2026 | Nexium | 368K | 20.8% | 2 |
| Sep 2026 | Eno | 301K | 17% | 3 |
| Sep 2026 | Mylanta | 165K | 9.3% | 4 |
| Sep 2026 | Rennie | 110K | 6.2% | 5 |

## What is being compared

- **Eno**: Measured on the search term “eno”.
- **Gaviscon**: Measured on the search term “gaviscon”.
- **Mylanta**: Measured on the search term “mylanta”.
- **Nexium**: Measured on the search term “nexium”.
- **Rennie**: Measured on the search term “rennie”.

- [Eno](/demand/global-en/brands/eno)
- [Gaviscon](/demand/global-en/brands/gaviscon)
- [Mylanta](/demand/global-en/brands/mylanta)
- [Nexium](/demand/global-en/brands/nexium)
- [Rennie](/demand/global-en/brands/rennie)

## Methodology

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

## Frequently asked questions

### Which brand is most popular in search among heartburn and indigestion brands worldwide?

In September 2026, Gaviscon was the most searched among heartburn and indigestion brands worldwide, with an estimated 823K branded searches and 46.6% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.

## Cite this page

Brandwave. "Heartburn and indigestion brands: Which are searched most?". https://gobrandwave.com/demand/global-en/categories/heartburn-and-digestive-brands

This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/heartburn-and-digestive-brands. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.
