Heartburn Liquid
FailThe top 5 brands take 98% of clicks, so Heartburn Liquid is a Fail.
- Flapen Score
- 44 / 100Ranks 1,348 of 2,035 Health & Personal Care niches · −4 vs the category median of 4844
- Market size
- £607K/yr314K searches / yr
- 90-day growth
- -16.1%search demand this quarter
- Competition
- 70%top-5 click share · 6 brands · 81 sellers
Flapen Score
Heartburn Liquid against its category
The dotted line is the Health & Personal Care average. Past it, Heartburn Liquid is stronger. Inside it, weaker.
Market
The Heartburn Liquid market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Heartburn Liquid 314K times last year and spent an estimated £607K. The top 5 brands take 98% of clicks. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 21.8% of those searches ended in a purchase.
Shoppers searched for this 314K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 21.8% of those searches ended in a purchase. Searches in the last 90 days moved -16.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £607K a year.
- Searches, last 12 months
- 314K
- Growth, 90 days vs prior 90
- -16.1%
- Conversion, latest week
- 21.8%
- Market size, estimated
- £607Ka year
- Top search term
- gaviscon double action liquid145K searches a year
02 · Price
A sale here is worth £8.85.
Listings sell for £8.85 on average, from £3.94 to £17.39. Amazon reports units sold in ranges. This niche sold 60K to 80K a year. The average listing sells 4,000 to 5,000 of them. At £8.85 that is £35K to £44K a year per listing.
- Average price
- £8.85under the $15 to $100 sweet spot
- Price range
- £3.94–£17.39
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 60K–80K
- Units per listing a year
- 4,000–5,000
- Revenue per listing a year
- £35K–£44K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
83% of listings pay for placement with sponsored ads. 78% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #45 within Over-the-Counter Medication. It carries 570 reviews at 4.66 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 83%
- Prime listings
- 78%
- Out of stock, average day
- 0.0%
- Average rank
- #45in Over-the-Counter Medication
- Average rating
- 4.66 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 570per listing
- Listings tracked
- 18
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 77 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 77 months
Products
Top Heartburn Liquid products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 25, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Gaviscon Double Action Sachets Mint 24 X 10ml Heartburn Relief Acid Reflux Indigestion Liquid Gerd Gastro Resistant Gets To Work Instantly Lasts 2X Longer Antacids Digestion and Nausea
- Price
- £8.09
- Rating
- 4.7/5
- Reviews
- 3,562
- Age
- 7y ago

Gaviscon Double Action Mint Liquid 500ml - Heartburn & Acid Reflux Relief Fast-Acting Formula Long-Lasting Comfort Suitable for Pregnancy Digestion and Nausea (500 ml (Pack of 1))
- Price
- £10.05
- Rating
- 4.8/5
- Reviews
- 902
- Age
- 3y ago

Gaviscon Double Action Aniseed Liquid 500ml - Heartburn Indigestion Stomach Pain Acid Reflux Relief Digestive Health Long-Lasting Antacid Pregnancy Safe
- Price
- £10.18
- Rating
- 4.8/5
- Reviews
- 266
- Age
- 1y ago

Gaviscon Double Action Heartburn & Indigestion Relief Mint Flavour Liquid Sachets 10ml Pack of 48
- Price
- £15.85
- Rating
- 4.8/5
- Reviews
- 616
- Age
- 3y ago

Gaviscon Original Aniseed Liquid 500ml - Heartburn & Acid Reflux Relief Fast-Acting Formula Protective Barrier Long-Lasting Comfort Suitable for Pregnancy Antacids Digestion and Nausea
- Price
- £9.28
- Rating
- 4.8/5
- Reviews
- 266
- Age
- 1y ago
Trending
estimated 90-day click momentum
Peptac Liquid Aniseed 500 ml Sugar-Free Indigestion Relief - Free Measuring Cup - Fast-Acting Heartburn Indigestion Acid Reflux and Nausea Relief
- Price
- £7.99
- Rating
- 4.7/5
- Reviews
- 106
- Age
- 1y ago

Gaviscon Double Action Aniseed Liquid 250ml - Fast Heartburn & Indigestion Relief Convenient Sachets Antacids for Effective Digestion Acid Reflux Relief Pregnancy Safe
- Price
- £7.58
- Rating
- 4.8/5
- Reviews
- 38
- Age
- 1y ago

Acidex Aniseed 500ml Sugar Free Liquid for Fast Acting Heartburn Indigestion Acid Reflux & Nausea Relief Suitable for Pregnancy & Breast Feeding Pack of 2
- Price
- £15.57
- Rating
- 4.2/5
- Reviews
- 25
- Age
- 8mo ago

Pepto-Bismol for Nausea Heartburn Indigestion Upset Stomach and Diarrhoea Relief 5 Symptom Relief 120ml
- Price
- £3.94
- Rating
- 4.4/5
- Reviews
- 1,463
- Age
- 1y ago

Care Heartburn & Indigestion Relief Peppermint Flavour Oral Suspension Fast-Acting Soothing Formula for Acid Reflux and Indigestion Gentle on Stomach Long-Lasting Relief 1 x 500ml
- Price
- £6.50
- Rating
- 4.5/5
- Reviews
- 299
- Age
- 2y ago
Newest
by launch date
Acidex Aniseed 500ml Sugar Free Liquid for Fast Acting Heartburn Indigestion Acid Reflux & Nausea Relief Suitable for Pregnancy & Breast Feeding Pack of 2
- Price
- £15.57
- Rating
- 4.2/5
- Reviews
- 25
- Age
- 8mo ago

Peptac Liquid Aniseed 500 ml Sugar-Free Indigestion Relief - Free Measuring Cup - Fast-Acting Heartburn Indigestion Acid Reflux and Nausea Relief
- Price
- £7.99
- Rating
- 4.7/5
- Reviews
- 106
- Age
- 1y ago

Gaviscon Original Peppermint Liquid 500ml - Heartburn & Acid Reflux Relief Fast-Acting Formula Protective Barrier Long-Lasting Comfort Suitable for Pregnancy Antacids Digestion and Nausea
- Price
- £8.63
- Rating
- 4.9/5
- Reviews
- 77
- Age
- 1y ago

Gaviscon Double Action Aniseed Liquid 500ml - Heartburn Indigestion Stomach Pain Acid Reflux Relief Digestive Health Long-Lasting Antacid Pregnancy Safe
- Price
- £10.18
- Rating
- 4.8/5
- Reviews
- 266
- Age
- 1y ago

Gaviscon Original Aniseed Liquid 500ml - Heartburn & Acid Reflux Relief Fast-Acting Formula Protective Barrier Long-Lasting Comfort Suitable for Pregnancy Antacids Digestion and Nausea
- Price
- £9.28
- Rating
- 4.8/5
- Reviews
- 266
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 70% of clicks. A locked shelf that new listings rarely crack.
Brands
6 rising
Sellers
81
Est. top-5 brand share
98%
Top 20: 100%
Est. top-5 click share
70%
Top 20: 100%
Open market
0%
- Gaviscon85%
- ANCIENT CARE CREATING HEALTHIER LIVES5%
- Care3%
- Pepto Bismol3%
- Generic2%
- Reckitt Benckiser Healthcare (UK) Ltd2%
Demand
Heartburn Liquid search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5× · 10 of 12 months tracked
Search terms
Top Heartburn Liquid search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- gaviscon double action liquid145K/yr
- gaviscon sachets48K/yr
- gaviscon liquid30K/yr
- indigestion liquid19K/yr
- heartburn liquid19K/yr
- antacid liquid11K/yr
- acidex8K/yr
- acidex advance liquid aniseed 500ml6K/yr
- gaviscon aniseed7K/yr
- gaviscon liquid sachets4K/yr
Reviews and returns
What reviews say buyers love and hate about Heartburn Liquid
We read the reviews and the return reasons for every product selling here.
“same bottle different taste for market one”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
19 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Heartburn Liquid questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









