---
title: "Black Seed — £51K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/black-seed"
last_updated: "2026-07-31T10:54:29.421Z"
locale: en
meta:
description: "Niche score 36/100 · £51K/yr market · 107K searches/yr · £8.05 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · £51K/yr market · 107K searches/yr · £8.05 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Black Seed — £51K/yr Amazon UK Niche (2026) - Flapen"
---
# **black seed**
**Skip it**
Prices mostly outside the sweet spot ($4.02–$16.25) — this niche doesn't clear our bar today.
Market size 13Growth 20Conversion 66Competition 26Returns 100Price range 10Avg price 22Brand share 44Review moat 29Quality gap 27
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****5.9%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****3,552.5**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****69%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Bad****£8.05**
avg 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–£16.25**
cheapest 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 ~~](https://flapen.com/research/methodology)
## **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.
4K3KSpike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jul '26
[**Open Trend **](https://flapen.com/research/uk/grocery/black-seed/trend)
## **Top black seed search terms**
- **black seed**40K/yr+0.5%5.2% conv. - **black seeds**15K/yr-5.9%4.7% conv. - **black cumin seeds**18K/yr-21.4%8.6% conv. - **nigella sativa**7K/yr-11.5%3.5% conv. - **black cumin**12K/yr-45.4%5.0% conv. - **black seeds organic**3K/yr+9.1%6.7% conv. - **organic black seed**4K/yr-12.0%6.4% conv. - **blackseed**3K/yr+0.0%3.5% conv. - **nigella sativa seeds**2K/yr+8.0%8.3% conv. - **black cumin seed**3K/yr-23.1%3.8% conv. [**All search terms **](https://flapen.com/research/uk/grocery/black-seed/search-terms)
## **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.
0%10%£5K20%£10K30%£15K40%£20K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 18 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**£6.77**4.7★1,009 rev](https://www.amazon.co.uk/dp/B0B9C7FRKL) [2**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**£9.49**4.7★1,009 rev](https://www.amazon.co.uk/dp/B08G4NNLCY) [3**A Kilo of Spices Nigella Sativa Seeds 1kg Kalonji Black Cumin Seeds**A Kilo of Spices**£9.99**4.6★179 rev](https://www.amazon.co.uk/dp/B07X8994XK) [4**Organic Nigella Seeds - 100% Pure and Natural - Nutritious Flavorful and Versatile Ingredient - Resealable Pouch for Freshness - Thames Organic 100g**Thames Organic**£5.98**4.7★505 rev](https://www.amazon.co.uk/dp/B08WRDYJ68) [5**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**£5.94**4.4★119 rev](https://www.amazon.co.uk/dp/B091NXNWHR)
**~~View all top sellers →~~**
### **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**£12.39**51,878 rev11mo ago](https://www.amazon.co.uk/dp/B0714PK8VV) [**Nigella Seeds 100g by Hatton Hill**Hatton Hill**£4.02**13 rev2y ago](https://www.amazon.co.uk/dp/B0G543V8WB) [**Trend Organic Nigella Seeds 500g - Natures Nutrient Boost with Distinct Savoury Flavour Vegan Certified Organic GMO-Free No Additives No Preservatives**Trend Organic**£10.60**42 rev2y ago](https://www.amazon.co.uk/dp/B0CQ8LXPXC) [**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**£6.77**1,009 rev3y ago](https://www.amazon.co.uk/dp/B0B9C7FRKL) [**Organic Nigella Seeds 50g by Hatton Hill Organic**Hatton Hill**£4.04**65 rev4y ago](https://www.amazon.co.uk/dp/B0DCP9WBPQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Nigella Seeds 100g by Hatton Hill**Hatton Hill**£4.02**4.3★**▲ 164%**](https://www.amazon.co.uk/dp/B0G543V8WB) [**Trend Organic Nigella Seeds 500g - Natures Nutrient Boost with Distinct Savoury Flavour Vegan Certified Organic GMO-Free No Additives No Preservatives**Trend Organic**£10.60**4.8★**▲ 71%**](https://www.amazon.co.uk/dp/B0CQ8LXPXC) [**Alpi Nature Black Cumin Seeds 500g 1.1 lb Whole Black Cumin Seeds for Cooking and Baking**Alpi Nature**£8.61**4.6★**▲ 68%**](https://www.amazon.co.uk/dp/B087Q2JVWD) [**MariamPantry Premium Nigella Sativa Seeds Black Seed Black Seeds 250g in Resealable Kraft Bag Pouch**Mariam**£7.57**4.5★**▲ 63%**](https://www.amazon.co.uk/dp/B07Y9WVVKZ) [**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**£6.77**4.7★**▲ 59%**](https://www.amazon.co.uk/dp/B0B9C7FRKL)
**~~View all trending →~~**
## **What buyers say about black seed**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**29%
*“Excellent quality capsules”*
**Value For Money**11%
*“Good value for money”*
**Taste-Overall**9%
*“It's clean and and tastes good”*
**Advertised Vs Actual Product**5%
*“I saw this advertised”*
**Nutritional Content**4%
*“Thats all there is to healthy eating”*
**Flavor**3%
*“Very clean and flavourful”*
**Regulates Digestion**3%
*“This has done exactly what it said it would with regards to bloating”*
**Vegan/Organic**3%
*“Great priced organic”*
**Ease Of Chewing/Swallowing**3%
*“Easy to swallow”*
**Efficiency**2%
*“Its effective dont want to claim anything”*
### **What buyers complain about **
**Taste-Overall**24%
*“These are tasteless”*
**Flavor**7%
*“However the anticipated delicious rich flavour of Ccon tea failed to emerge”*
**Allergies**6%
*“For that reason I will not be using as I have an allergy”*
**Bitter**6%
*“very bitter”*
**Advertised Vs Actual Product**5%
*“So I fell for the marketing adverts on social media and brought these”*
**Side Effects**4%
*“Side effects”*
**Value For Money**4%
*“M A. Over priced”*
**Product Condition**4%
*“Goods opened and used”*
**Heating**4%
*“Knees aren't getting as hot too”*
**Strength**4%
*“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.
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