fermented foods
Skip itBrand-locked demand (top 5 brands take 99% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Competition
Incredible19%top-5 click share — an open shelf
Review moat
Great496.74avg incumbent reviews — the moat a new listing must climb
Conversion
Good5.9%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Price range
Good£1.04–£36.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Bad£7.68avg listing price — sweet spot $15–$100
Market size
Bad£59K£59K/yr · 131K searches
Growth
Bad-26.3%90-day search growth — must beat 0% to launch
Brand share
Bad99%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, fermented foods is a £59K/yr Amazon United Kingdom market (131K searches/yr). The top 5 brands hold 99% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 49/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
fermented foods market data
- Units sold / yr
- 10K–13K
- avg 0–100/product
- Revenue / yr
- £77K–£96K
- units × avg price
- Conversion rate
- 5.9%
- Avg BSR
- #257
- Page quality
- 0%
- Prime
- 92%
- Sponsored
- 38%
- Out of stock
- 1.3%
- Avg brand age
- 65 months
- Avg seller age
- 187 days
Competition & brand share
Clicks spread well past the top 5 (19% combined) — an open shelf where new products get seen.Brands
7 rising
Sellers
31
Top-5 brand share
99%
Top 20: 100%
Top-5 click share
19%
Top 20: 54%
Open market
1%
- Biona80%
- Mr Organic12%
- Eat Wholesome3%
- Morrisons2%
- Amisa1%
- SUMA1%
- Open — no brand owns it (1 brand, 1%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -26.3% search growth over the last 90 days.Peak months: Jan, Feb, Mar · busiest ÷ quietest = 2.3×
Top fermented foods search terms
- biona89K/yr
- biona organic15K/yr
- organic beans9K/yr
- organic baked beans9K/yr
- mr organic baked beans6K/yr
- biona beans3K/yr
Top fermented foods 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Mr Organic - Award-Winning Organic Baked Beans in Tomato Sauce - 12 x 400g Tins - High in Protein & Fibre - 1 of Your 5 a Day - Vegan & Gluten-Free - BPA-Free Cans - Great Taste Award 2024
Mr Organic£16.814.3★9 rev
Biona Organic Mixed Beans in Water 400g Pack of 1
Biona£1.394.5★312 rev
Biona Organic Black Beans 400g Pack of 4 - In Water Pre-Cooked & Ready to Eat - No Added Sugar or Salt - Source of Vegan Protein and Fibre - BPA Free Can Non GMA
Biona£4.704.7★356 rev
Biona Organic Date Syrup 350g
Biona£3.824.6★1,784 rev
Biona Organic Coconut Milk 400 ml Pack of 6 - Great Taste Award 2024 Winner - Dairy Free Naturally Vegan - Pressed from Coconut Kernels - For Cooking and Baking - Vegan Alternative
Biona£11.454.4★1,527 rev
Newest
by launch dateMr Organic - Award-Winning Organic Baked Beans in Tomato Sauce - 12 x 400g Tins - High in Protein & Fibre - 1 of Your 5 a Day - Vegan & Gluten-Free - BPA-Free Cans - Great Taste Award 2024
Mr Organic£16.819 rev
Biona Organic Maple Syrup 1L - Amber Grade A - Pure Canadian
Biona£17.00378 rev
Biona Organic Extra Virgin Olive Oil 750ml - Cold Pressed - From Organically Grown Mediterranean Olives - Rich Fruity Flavour - For Marinating and Dipping
Biona£10.96688 rev
Eat Wholesome Organic Baked Beans 400g (Pack of 12) - In Tomato Sauce Low Fat Source of Protein Vegan Non-BPA Lining
Eat Wholesome£15.66392 rev
Biona Organic Choco-Coconut Granola 375g
Biona£4.5950 rev
Trending
90-day click momentum
Biona Organic Rye Bread with Pumpkin Seed 500 g Pack of 7- Free from Wheat No Added Yeast - Wholegrain Rye Meal and Natural Sourdough - High in Fibre - Vegan
Biona£16.264.4★
Biona Elderberry Superjuice Organic 330ml
Biona£4.734.4★
Mr Organic - Award-Winning Organic Baked Beans in Tomato Sauce - 12 x 400g Tins - High in Protein & Fibre - 1 of Your 5 a Day - Vegan & Gluten-Free - BPA-Free Cans - Great Taste Award 2024
Mr Organic£16.814.3★
Biona Organic Blueberry Juice 330ml - 100% Pressed Pure Juice from Organic Farms - Not from Concentrate - No Preservatives or Additives - Suitable for Vegans
Biona£5.854.3★
Biona Organic Black Beans 400g
Biona£1.394.7★
What buyers say about fermented foods
What buyers praise and complain about, mined from review topics.What buyers love
“Delicious and satisfying”
“Great quality beans”
“organic too”
“Value for money”
“The flavour is rich”
“Very healthy”
“Better than expected”
“Absolutely amazing bread”
“Nutritious”
“Healthier alternative sweets”
What buyers complain about
“Awful Taste”
“to expensive”
“was somewhat disappointed with the amount of watered down tomato sauce in a can”
“bitter”
“Because of potential contamination I had to dispose of them”
“Sour and horrible”
“Mouldy within a few weeks”
“No hint of blueberry here”
“I didnt like the texture of these so gave them to my husband”
“totally mad”
Common questions
- Is fermented foods profitable to sell on Amazon United Kingdom?
- The niche generates £59K/yr across 91 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -26.3%. Flapen's verdict: Skip it (49/100).
- How competitive is the fermented foods niche?
- 7 brands and 31 sellers compete. The top 5 products take 19% of clicks and top 5 brands hold 99% of demand.
- What do buyers complain about in fermented foods?
- Top complaints mined from reviews: Taste-Overall, Value For Money, Dilute/Watery. The return rate is 0.1%.
- When does demand for fermented foods peak?
- Demand peaks in Jan–Feb–Mar; the busiest month runs 2.3× the quietest.
- What does it cost to enter the fermented foods niche?
- Listings span £1.04–£36.79; the average listing price is £7.68 (sweet spot $15–$100). The average incumbent carries 497 reviews — the moat a new listing must climb.