Brandwave

How popular isRennie in search?

In September 2026, there were an estimated 110K branded searches for Rennie worldwide which is down 18.5% over the last 12 months. Rennie holds 6.2% estimated Share of Search among heartburn and indigestion brands worldwide and is ranked 5th of 5 competitors for search popularity. These are worldwide searches for English-language branded terms.

Share of Search, September 2026
  1. Gaviscon46.6%
  2. Nexium20.8%
  3. Eno17%
  4. Mylanta9.3%
  5. Rennie6.2%

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Which heartburn and indigestion brands compete with Rennie?

Rennie against heartburn and indigestion brands worldwide, by month

Share of Search by month for Gaviscon, Nexium, Eno, Mylanta, Rennie. The figures are in the table below the chart.

View monthly share of search table
MonthGavisconNexiumEnoMylantaRennie
Oct 202543.9%24%16.1%8.8%7.2%
Nov 202543.9%24%16.1%8.8%7.2%
Dec 202542.4%23.2%19%8.5%7%
Jan 202643.9%24%16.1%8.8%7.2%
Feb 202645.9%20.5%16.8%9.2%7.5%
Mar 202643.9%24%16.1%8.8%7.2%
Apr 202644.5%24.3%16.3%8.9%5.9%
May 202646.6%20.8%17%9.3%6.2%
Jun 202646.6%20.8%17%9.3%6.2%
Jul 202646.6%20.8%17%9.3%6.2%
Aug 202646.6%20.8%17%9.3%6.2%
Sep 202646.6%20.8%17%9.3%6.2%
  1. 1.Gaviscon

    46.6%

    Held 1st. 823K estimated branded searches, 0% vs prior month. Share 0 points.

  2. 2.Nexium

    20.8%

    Held 2nd. 368K estimated branded searches, 0% vs prior month. Share 0 points.

  3. 3.Eno

    17%

    Held 3rd. 301K estimated branded searches, 0% vs prior month. Share 0 points.

  4. 4.Mylanta

    9.3%

    Held 4th. 165K estimated branded searches, 0% vs prior month. Share 0 points.

  5. 5.Rennie

    6.2%

    Held 5th. 110K estimated branded searches, 0% vs prior month. Share 0 points.

Compare search popularity between Rennie and its closest rivals

How has branded search demand for Rennie changed worldwide over the last 12 months?

  • Across the 12 months ending September 2026, estimated monthly branded searches for Rennie worldwide fell from 135K to 110K.
  • 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, 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.

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

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

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

How is Rennie measured?

Brandwave collects information about searches that people make online using Rennie’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.

1 branded search term

  • rennie

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How the Brand Demand Index is measured

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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.