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Heartburn Liquid

Fail

The top 5 brands take 98% of clicks, so Heartburn Liquid is a Fail.

Flapen Score
44
44 / 100
Ranks 1,348 of 2,035 Health & Personal Care niches · −4 vs the category median of 48
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.

44Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

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.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 70% of clicks. A locked shelf that new listings rarely crack.

£0£61K£121K£182K£243K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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.

7K5KOctNovDecJanFebMarAprMayJunJul

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.

13%of positive reviews mention “Value For Money”
14%of negative reviews mention “Taste-Overall”
0.1%of orders come back
“same bottle different taste for market one”
A buyer, on “Taste-Overall”14% of negative reviews mention the same topic

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

NegativePositive

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