Brandwave

Heartburn and digestive brands in the United States:Which are most popular?

In September 2026, Pepto-Bismol was the most searched heartburn and digestive brand in the United States, accounting for 31.1% of all searches among the six brands we track. When we checked with ChatGPT and Google AI Overviews, Tums showed up in every answer. Tums was recommended most often, coming first in all three responses that gave a list.

Search and AI answers in September 2026
  1. Pepto-BismolShare of searches 31.1%Mentioned in 2 of 5 AI answersPlace in AI recommendations 4th
  2. PepcidShare of searches 25.4%Mentioned in 3 of 5 AI answersPlace in AI recommendations 2nd
  3. Prilosec OTCShare of searches 13.9%Mentioned in 3 of 5 AI answersPlace in AI recommendations 3rd
  4. TumsShare of searches 13.9%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
  5. NexiumShare of searches 9.3%Mentioned in 1 of 5 AI answersPlace in AI recommendations 6th

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Top heartburn and digestive brands in ChatGPT and Google AI Overviews

In Brandwave's three ChatGPT questions and two Google AI Overviews, Tums appeared every time. Tums was recommended most often, coming first in all three answers that gave a list. Pepcid was second, and Prilosec OTC was third.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Tums1st
  2. Pepcid2nd
  3. Prilosec OTC3rd
  4. Pepto-Bismol4th
  5. Gaviscon5th
  6. Nexium6th

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Tums5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Pepcid3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Prilosec OTC3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Pepto-Bismol2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Nexium1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Gaviscon1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about heartburn and digestive brands

5 answers

Brands are shown in the order each answer named them. The survey took place in United States on October 27, 2026.

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