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Black Seed

prices mostly outside the sweet spot ($4.02–$16.25) — Black Seed doesn't clear our bar today.

Flapen Score

36
Skip it
Market size 13Growth 20Conversion 66Competition 26Returns 100Price range 10Avg price 22Brand share 44Review moat 29Quality gap 27
This niche Category average

Is Black Seed profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Black Seed is a £51K/yr Amazon United Kingdom market (107K searches/yr). The top 5 brands hold 79% of demand. Verdict: Skip it — 36/100.

Black Seed: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -9.5% over the last 90 days and 5.9% of searches end in a purchase.

£51K

revenue / yr

Units sold / yr8K
Search volume / yr-9.5%107K
Conversion rate5.9%
Avg price£8.05

Who owns the niche?

The top 5 brands hold 79% of demand, so 21% of the market is open.

21%

open market share

Brands · sellers13 · 23
Top-5 product click share69%
Open market21%
Avg brand age59 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 · 18 products

Sponsored placement89%
New entrants (1y)1· 1 succeeded
Avg rating4.6★
Avg reviews3,553

Top Black Seed 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 take 69% of clicks — established leaders, but buyers still shop beyond them.

£0£5K£10K£15K£20K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

13 flat

Sellers

23

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

16%

  • Berrilys44%
  • A Kilo of Spices12%
  • Thames Organic11%
  • Alpi Nature6%
  • Hatton Hill6%
  • AKSOY5%
  • Open — no brand owns it (7 brands, 16%)

Black Seed demand & seasonality

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

Volume107KCVR5.9%Products18Brands13Top 5 Brands79%OOS Rate0.0%Rating4.6★Reviews3,553Avg BSR#193
4K3KSpike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jul '26

Top Black Seed search terms shoppers use

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

  • black seed40K/yr
  • black seeds15K/yr
  • black cumin seeds18K/yr
  • nigella sativa7K/yr
  • black cumin12K/yr
  • black seeds organic3K/yr
  • organic black seed4K/yr
  • blackseed3K/yr
  • nigella sativa seeds2K/yr
  • black cumin seed3K/yr

What reviews say buyers love and hate about Black Seed

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

What buyers love

71% of reviews
Quality-Overall29%

Excellent quality capsules

Value For Money11%

Good value for money

Taste-Overall9%

It's clean and and tastes good

Advertised Vs Actual Product5%

I saw this advertised

Nutritional Content4%

Thats all there is to healthy eating

What buyers complain about

69% of reviews
Taste-Overall24%

These are tasteless

Flavor7%

However the anticipated delicious rich flavour of Ccon tea failed to emerge

Allergies6%

For that reason I will not be using as I have an allergy

Bitter6%

very bitter

Advertised Vs Actual Product5%

So I fell for the marketing adverts on social media and brought these

Common Black Seed questions

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

Flapen scores Black Seed 36/100 on Amazon United Kingdom — Skip it. The niche generates £51K/yr across 18 tracked products. 1 of 1 products launched in the last 360 days are still selling. Search demand moved -9.5% over the last 90 days.
Black Seed buyers on Amazon United Kingdom complain most about Taste-Overall, Flavor, Allergies, the themes mined from the niche's reviews. Its return rate is 0.0%.