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Caster Sugar

brand-locked demand (top 5 brands take 100% of clicks) — Caster Sugar doesn't clear our bar today.

Flapen Score

39
Skip it
Market size 28Growth 20Conversion 100Competition 17Returns 100Price range 37Avg price 17Brand share 0Review moat 74Quality gap 24
This niche Category average

Is Caster Sugar profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Caster Sugar is a £124K/yr Amazon United Kingdom market (100K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 39/100.

Caster Sugar: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -10.4% over the last 90 days and 20.1% of searches end in a purchase.

£124K

revenue / yr

Units sold / yr25K
Search volume / yr-10.4%100K
Conversion rate20.1%
Avg price£6.16

Who owns the niche?

The top 5 brands hold 100% of demand, so 0% of the market is open.

0%

open market share

Brands · sellers4 · 68
Top-5 product click share80%
Open market0%
Avg brand age67 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 13 products

Sponsored placement31%
New entrants (1y)3· 0 succeeded
Avg rating4.6★
Avg reviews559

Top Caster Sugar products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.

£0£12K£25K£37K£50K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

4 falling

Sellers

68

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

80%

Top 20: 100%

Open market

0%

  • Tate & Lyle86%
  • Saras Flavours of Asia8%
  • Silver Spoon3%
  • Old India2%
  • Open — no brand owns it (0%)

Caster Sugar demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume100KCVR20.1%Products13Brands4Top 5 Brands100%OOS Rate5.9%Rating4.6★Reviews559Avg BSR#13
3K2KSpike '25Holiday '25Spike '26JunJulAugSepOctNovDecJanFebMarAprMayJunJul

No pronounced peak months · busiest ÷ quietest = 1.7×

Top Caster Sugar search terms shoppers use

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

  • caster sugar93K/yr
  • castor sugar6K/yr
  • caster sugar for baking1K/yr

What reviews say buyers love and hate about Caster Sugar

What buyers mention most, as a share of all reviews.

What buyers love

97% of reviews
Sweetness36%

Good sugar

Value For Money24%

Good price

Quality-Overall17%

PERFECT AS USUAL

Advertised Vs Actual Product6%

Just as advertised

Taste-Overall6%

Great taste

What buyers complain about

91% of reviews
Sweetness32%

Too Sweet

Value For Money32%

It's VERY VERY POOR VALUE

Artificial Sweeteners18%

Well at sometime I can not have my honey on food

Size-Overall5%

Small packs

Color5%

disappointed as I thought is darker when I selected it

Common Caster Sugar questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Caster Sugar 39/100 on Amazon United Kingdom — Skip it. The niche generates £124K/yr across 13 tracked products. 0 of 3 products launched in the last 360 days are still selling. Search demand moved -10.4% over the last 90 days.
Search demand for Caster Sugar on Amazon United Kingdom is steady year-round — the busiest month runs 1.7× the quietest.