Gaviscon vs Losec:Which is more popular in New Zealand?
In October 2026, Gaviscon had more branded searches than Losec among heartburn and indigestion brands in New Zealand. Gaviscon had about 8,210 branded searches, while Losec had 1,640. Gaviscon made up 52.2% of all heartburn and indigestion brand searches we track, and Losec accounted for 10.4%. When we asked ChatGPT and Google AI Overviews about heartburn and indigestion brands, Gaviscon appeared in four of the five answers and Losec in two. Gaviscon was mentioned before Losec in every answer.
Who do people search for more?
Gaviscon, about 5 searches for every 1 for Losec
Who does AI mention more?
Gaviscon, mentioned in 4 of 5 answers, Losec in 2
Who does AI recommend more?
Gaviscon, named ahead of Losec in every answer
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Top heartburn and indigestion brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Gaviscon was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Losec was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Gaviscon was listed before Losec in every answer.
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.
Is Gaviscon or Losec more popular in search?
This chart shows how often people search Google for Gaviscon and Losec by name. Each line represents a brand's share of searches for all seven heartburn and indigestion brands we track, month by month, from searches in New Zealand.
Share of searches by month for Gaviscon, Losec. 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% |
How has branded search for Gaviscon and Losec changed in New Zealand over the last 12 months?
3 findings
- Gaviscon was ahead of Losec in every measured month of the 12 months ending October 2026.
- Across the 12 months ending October 2026, Gaviscon’s share of searches among heartburn and indigestion brands in New Zealand moved from 53.7% to 52.2%, and its estimated monthly branded searches moved from 5K to 8.2K.
- Across the 12 months ending October 2026, Losec’s share of searches among heartburn and indigestion brands in New Zealand moved from 12.4% to 10.4%, and its estimated monthly branded searches moved from 1.1K to 1.6K.
How did search popularity change for New Zealand heartburn and indigestion brands in October 2026?
2 changes
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%.
How are Gaviscon’s and Losec’s branded searches counted?
22 search terms
Brandwave collects information about searches that people make online using Gaviscon’s and Losec’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Gaviscon
14 branded search terms
- advanced gaviscon
- gaviscon
- gaviscon antacid
- gaviscon double action
- gaviscon dual action
- gaviscon extra strength
- gaviscon heartburn
- gaviscon indigestion
- gaviscon infant
- gaviscon liquid
- gaviscon reflux
- gaviscon sachets
- gaviscon tablets
- gaviscon woolies
Losec
8 branded search terms
- losec
- losec capsules
- losec dogs
- losec for infants
- losec medication
- losec omeprazole
- losec pill
- pri losec
Other head-to-heads among heartburn and indigestion brands
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