Kefir Grains
FailDemand is soft, at -25.5% this quarter, so Kefir Grains is a Fail.
- Flapen Score
- 46 / 100Ranks 1,444 of 2,976 Grocery niches · on the category median46
- Market size
- £124K/yr135K searches / yr
- 90-day growth
- -25.5%search demand this quarter
- Competition
- 76%top-5 click share · 11 brands · 9 sellers
Flapen Score
Kefir Grains against its category
The dotted line is the Grocery average. Past it, Kefir Grains is stronger. Inside it, weaker.
Market
The Kefir Grains market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Kefir Grains 135K times last year and spent an estimated £124K. The top 5 brands take 84% of clicks. Demand peaks in Jan–Feb. Flapen scores it 46 out of 100, a Fail.
01 · Demand
An estimated 9.4% of those searches ended in a purchase.
Shoppers searched for this 135K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 9.4% of those searches ended in a purchase. Searches in the last 90 days moved -25.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated £124K a year.
- Searches, last 12 months
- 135K
- Growth, 90 days vs prior 90
- -25.5%
- Conversion, latest week
- 9.4%
- Market size, estimated
- £124Ka year
- Peak month
- February1.8× the quietest month
- Top search term
- kefir grains105K searches a year
02 · Price
A sale here is worth £9.82.
Listings sell for £9.82 on average, from £6.01 to £18.02. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 500 to 750 of them. At £9.82 that is £5K to £7K a year per listing.
- Average price
- £9.82under the $15 to $100 sweet spot
- Price range
- £6.01–£18.02
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 500–750
- Revenue per listing a year
- £5K–£7K
- Returns
- 0.0%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
67% of listings pay for placement with sponsored ads. 27% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #320 within Fresh & Chilled. It carries 707 reviews at 4.13 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 67%
- Prime listings
- 27%
- Out of stock, average day
- 0.0%
- Average rank
- #320in Fresh & Chilled
- Average rating
- 4.13 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 707per listing
- Listings tracked
- 15
04 · Newcomers
0 of last year's 4 launches cleared the first-year sales bar.
4 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 67 months on average, so the names here are established.
- Launched, last 12 months
- 4
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 67 months
Products
Top Kefir Grains products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
10g of Kombuchaorganic Live Certified Organic MILK KEFIR Grains - Grass Fed Cows MILK Kefir Grains - LAB Tested
- Price
- £9.99
- Rating
- 4.3/5
- Reviews
- 2,385
- Age
- 3y ago

Coolinario Kefir Starter (5-Pack 1g Sachets) Live Probiotic Cultures
- Price
- £6.01
- Rating
- 3.8/5
- Reviews
- 1,053
- Age
- 1y ago

Freshly Fermented Organic Certified Milk Kefir Grains Starter Culture
- Price
- £12.84
- Rating
- 4.2/5
- Reviews
- 221
- Age
- 6y ago

Live Milk Kefir Grains to make kefir milk drink
- Price
- £6.83
- Rating
- 4.1/5
- Reviews
- 1,245
- Age
- 12y ago

Freshly Fermented 15g Organic Certified Milk Kefir Grains
- Price
- £18.02
- Rating
- 4.4/5
- Reviews
- 56
- Age
- 6y ago
Trending
estimated 90-day click momentum
Freshly Fermented Live Milk Kefir Grains 5g Certified Organic Heirloom Starter Culture | Reusable for Life | Make Real Kefir at Home | UK Made & UKAS Lab Tested
- Price
- £11.73
- Rating
- 4.4/5
- Reviews
- 3
- Age
- 2mo ago

Milk Kefir Grains Organic 5g Compatible with Cow Goat and Sheep Milk
- Price
- £8.43
- Rating
- 3.5/5
- Reviews
- 11
- Age
- 10mo ago

Kefir Starter Cultures - Pack of 3 Freeze-Dried Sachets for Homemade Milk Kefir(3 sachets)
- Price
- £7.07
- Rating
- 4.4/5
- Reviews
- 1,183
- Age
- 12y ago

Good Gut Tribe - Organic Milk Kefir Grains (10g)
- Price
- £10.16
- Rating
- 4.4/5
- Reviews
- 53
- Age
- 3y ago

Freshly Fermented 15g Organic Certified Milk Kefir Grains
- Price
- £18.02
- Rating
- 4.4/5
- Reviews
- 56
- Age
- 6y ago
Newest
by launch date
Freshly Fermented Live Milk Kefir Grains 5g Certified Organic Heirloom Starter Culture | Reusable for Life | Make Real Kefir at Home | UK Made & UKAS Lab Tested
- Price
- £11.73
- Rating
- 4.4/5
- Reviews
- 3
- Age
- 2mo ago

Good Gut Tribe - Organic Milk Kefir Grains (5g)
- Price
- £11.51
- Rating
- 4.2/5
- Reviews
- 137
- Age
- 2mo ago

Dough Dough at home Milk Kefir Grains Starter Culture 15 Grams - Dehydrated Easy to use Pack of 1
- Price
- £10.05
- Rating
- 3.0/5
- Reviews
- 210
- Age
- 10mo ago

Milk Kefir Grains Organic 5g Compatible with Cow Goat and Sheep Milk
- Price
- £8.43
- Rating
- 3.5/5
- Reviews
- 11
- Age
- 10mo ago

Coolinario Kefir Starter (5-Pack 1g Sachets) Live Probiotic Cultures
- Price
- £6.01
- Rating
- 3.8/5
- Reviews
- 1,053
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 76% of clicks. A locked shelf that new listings rarely crack.
Brands
11 flat
Sellers
9
Est. top-5 brand share
84%
Top 20: 100%
Est. top-5 click share
76%
Top 20: 100%
Open market
12%
- Kombuchaorganic25%
- Freshly Fermented25%
- Coolinario23%
- Living Probiotics7%
- Good Gut Tribe4%
- Live Kefir Company3%
- Open — no brand owns it (5 brands, 12%)
Demand
Kefir Grains search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb · busiest ÷ quietest = 1.8×
Search terms
Top Kefir Grains search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- kefir grains105K/yr
- kefir grains uk organic10K/yr
- milk kefir grains7K/yr
- organic kefir grains4K/yr
- chuckling goat kefir3K/yr
- milk kefir grains uk organic3K/yr
- kefir grains uk3K/yr
Reviews and returns
What reviews say buyers love and hate about Kefir Grains
We read the reviews and the return reasons for every product selling here.
“Did not work”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
15 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Kefir Grains questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









