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Tonic Water

Maybe

An estimated 0.0% of orders come back. But products sell for $5.68 on average, outside the sweet spot, so Tonic Water is a Maybe.

Flapen Score
60
60 / 100
Top 6% of 2,976 Grocery niches · +14 vs the category median of 46
Market size
£927K/yr904K searches / yr
90-day growth
+27.2%search demand this quarter
Competition
43%top-5 click share · 10 brands · 71 sellers

Flapen Score

Tonic Water against its category

The dotted line is the Grocery average. Past it, Tonic Water is stronger. Inside it, weaker.

60Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Tonic Water market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Tonic Water 904K times last year and spent an estimated £927K. The top 5 brands take 92% of clicks. Demand peaks in Dec. Flapen scores it 60 out of 100, a Maybe.

01 · Demand

An estimated 18.0% of those searches ended in a purchase.

Shoppers searched for this 904K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 18.0% of those searches ended in a purchase. Searches in the last 90 days moved +27.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £927K a year.

Searches, last 12 months
904K
Growth, 90 days vs prior 90
+27.2%
Conversion, latest week
18.0%
Market size, estimated
£927Ka year
Peak month
December2.1× the quietest month
Top search term
tonic water373K searches a year

02 · Price

A sale here is worth £5.68.

Listings sell for £5.68 on average, from £0.72 to £18.32. Amazon reports units sold in ranges. This niche sold 200K to 250K a year. The average listing sells 4,000 to 5,000 of them. At £5.68 that is £23K to £28K a year per listing.

Average price
£5.68under the $15 to $100 sweet spot
Price range
£0.72–£18.32
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
200K–250K
Units per listing a year
4,000–5,000
Revenue per listing a year
£23K–£28K
Returns
0.0%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

36% of listings pay for placement with sponsored ads. 97% ship with Prime. On an average day, 2.5% of listings are out of stock. The average listing ranks #46 within Tonic Water. It carries 593 reviews at 4.61 stars, so a new listing needs social proof before a better product.

Sponsored listings
36%
Prime listings
97%
Out of stock, average day
2.5%
Average rank
#46in Tonic Water
Average rating
4.61 starsAmazon United Kingdom average 4.36 stars
Average reviews
593per listing
Listings tracked
39

04 · Newcomers

1 of last year's 2 launches cleared the first-year sales bar.

2 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 68 months on average, so the names here are established.

Launched, last 12 months
2
Successful launches
1Amazon's first-year sales bar
Average brand age
68 months

Products

Top Tonic Water 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 24, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 43% of clicks. Leaders hold, but buyers still shop past them.

£0£37K£74K£111K£148K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

10 falling

Sellers

71

Est. top-5 brand share

92%

Top 20: 100%

Est. top-5 click share

43%

Top 20: 79%

Open market

4%

  • FEVER-TREE47%
  • THE LONDON ESSENCE CO.15%
  • Schweppes14%
  • Morrisons12%
  • by Amazon5%
  • Tonic Health4%
  • Open — no brand owns it (4 brands, 4%)

Demand

Tonic Water search demand

Weekly searches over the year, seasonality beneath. Pick a range.

40K30KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 2.1×

Search terms

Top Tonic Water search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • tonic water373K/yr
  • fever tree tonic water112K/yr
  • tonic108K/yr
  • fever tree75K/yr
  • schweppes tonic water33K/yr
  • tonic water cans19K/yr
  • slimline tonic water24K/yr
  • fevertree tonic water20K/yr
  • fevertree16K/yr
  • slimline tonic11K/yr

Reviews and returns

What reviews say buyers love and hate about Tonic Water

We read the reviews and the return reasons for every product selling here.

22%of positive reviews mention “Taste-Overall”
21%of negative reviews mention “Taste-Overall”
<0.1%of orders come back, a rate Amazon rounds to zero
“The have such an unpleasant aftertaste”
A buyer, on “Taste-Overall”21% 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.

14 topics

NegativePositive

FAQ

Common Tonic Water 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