black seed
Skip itPrices mostly outside the sweet spot ($4.02–$16.25) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Good5.9%search→purchase rate — share of searches ending in a sale
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Review moat
Okay3,552.5avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Avg price
Bad£8.05avg listing price — sweet spot $15–$100
Growth
Bad-9.5%90-day search growth — must beat 0% to launch
Market size
Bad£51K£51K/yr · 107K searches
Price range
Bad£4.02–£16.25cheapest to priciest tracked listing — scored on the share inside $15–$100
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.
Data updated Jul 24, 2026 · scored weekly · How we score niches
black seed market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- £48K–£64K
- units × avg price
- Conversion rate
- 5.9%
- Avg BSR
- #193
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 89%
- Out of stock
- 0.0%
- Avg brand age
- 59 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.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%)
Demand
Weekly Amazon search volume, last 33 weeks — -9.5% search growth over the last 90 days.Top black seed search terms
- 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
Top black seed products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Berrilys Organic Black Cumin Seeds 284g Nigella Sativa (Kalonji) Non-GMO Vegan Gluten Free Black Seeds for Health Benefits Culinary Use Digestion Flavoring & Aromatic Spice
Berrilys£6.774.7★1,009 rev
Berrilys Organic Black Cumin Seeds 450g Nigella Sativa (Kalonji) Non-GMO Vegan Gluten Free Black Seeds for Health Benefits Culinary Use Digestion Flavoring & Aromatic Spice
Berrilys£9.494.7★1,009 rev
A Kilo of Spices Nigella Sativa Seeds 1kg Kalonji Black Cumin Seeds
A Kilo of Spices£9.994.6★179 rev
Organic Nigella Seeds - 100% Pure and Natural - Nutritious Flavorful and Versatile Ingredient - Resealable Pouch for Freshness - Thames Organic 100g
Thames Organic£5.984.7★505 rev
Aksoy Premium Quality Black Cumin Seeds 550g (Nigella Seeds Nigella Sativa Kalonji) Resealable Pouch Raw Non-GMO Vegan and No Preservatives (Packaging may vary)
AKSOY£5.944.4★119 rev
Newest
by launch date
Black Seed Oil Capsules 1000mg | Cold Pressed | Powerful Antioxidant Support | Pure Black Cumin Seed Oil | High in Omega 3 6 9 | Non-GMO and Vegan Black Cumin Oil | 120 Nigella Sativa Softgels
Healths Harmony£12.3951,878 rev
Nigella Seeds 100g by Hatton Hill
Hatton Hill£4.0213 rev
Trend Organic Nigella Seeds 500g - Natures Nutrient Boost with Distinct Savoury Flavour Vegan Certified Organic GMO-Free No Additives No Preservatives
Trend Organic£10.6042 rev
Berrilys Organic Black Cumin Seeds 284g Nigella Sativa (Kalonji) Non-GMO Vegan Gluten Free Black Seeds for Health Benefits Culinary Use Digestion Flavoring & Aromatic Spice
Berrilys£6.771,009 rev
Organic Nigella Seeds 50g by Hatton Hill Organic
Hatton Hill£4.0465 rev
Trending
90-day click momentumNigella Seeds 100g by Hatton Hill
Hatton Hill£4.024.3★
Trend Organic Nigella Seeds 500g - Natures Nutrient Boost with Distinct Savoury Flavour Vegan Certified Organic GMO-Free No Additives No Preservatives
Trend Organic£10.604.8★
Alpi Nature Black Cumin Seeds 500g 1.1 lb Whole Black Cumin Seeds for Cooking and Baking
Alpi Nature£8.614.6★
MariamPantry Premium Nigella Sativa Seeds Black Seed Black Seeds 250g in Resealable Kraft Bag Pouch
Mariam£7.574.5★
Berrilys Organic Black Cumin Seeds 284g Nigella Sativa (Kalonji) Non-GMO Vegan Gluten Free Black Seeds for Health Benefits Culinary Use Digestion Flavoring & Aromatic Spice
Berrilys£6.774.7★
What buyers say about black seed
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent quality capsules”
“Good value for money”
“It's clean and and tastes good”
“I saw this advertised”
“Thats all there is to healthy eating”
“Very clean and flavourful”
“This has done exactly what it said it would with regards to bloating”
“Great priced organic”
“Easy to swallow”
“Its effective dont want to claim anything”
What buyers complain about
“These are tasteless”
“However the anticipated delicious rich flavour of Ccon tea failed to emerge”
“For that reason I will not be using as I have an allergy”
“very bitter”
“So I fell for the marketing adverts on social media and brought these”
“Side effects”
“M A. Over priced”
“Goods opened and used”
“Knees aren't getting as hot too”
“Not very effective”
Common questions
- Is black seed profitable to sell on Amazon United Kingdom?
- The niche generates £51K/yr across 18 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -9.5%. Flapen's verdict: Skip it (36/100).
- How competitive is the black seed niche?
- 13 brands and 23 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 79% of demand.
- What do buyers complain about in black seed?
- Top complaints mined from reviews: Taste-Overall, Flavor, Allergies. The return rate is 0.0%.
- What does it cost to enter the black seed niche?
- Listings span £4.02–£16.25; the average listing price is £8.05 (sweet spot $15–$100). The average incumbent carries 3,553 reviews — the moat a new listing must climb.