kefir
Worth a lookShows low returns (0.0%), but pricing outside the sweet spot ($3.90 avg) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible17.9%search→purchase rate — share of searches ending in a sale
Review moat
Great336.81avg incumbent reviews — the moat a new listing must climb
Competition
Good45%top-5 click share — leaders hold, buyers still browse
Market size
Okay£238K£238K/yr · 340K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay£1.23–£22.90cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad91%top-5 brand share — brand-locked demand
Growth
Bad-6.5%90-day search growth — must beat 0% to launch
Avg price
Bad£3.90avg listing price — sweet spot $15–$100
According to Flapen's Amazon United Kingdom niche tracking, kefir is a £238K/yr Amazon United Kingdom market (340K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Jan–Nov. Verdict: Worth a look — 53/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
kefir market data
- Units sold / yr
- 80K–100K
- avg 2,500–3,000/product
- Revenue / yr
- £312K–£390K
- units × avg price
- Conversion rate
- 17.9%
- Avg BSR
- #40
- Page quality
- 0%
- Prime
- 90%
- Sponsored
- 16%
- Out of stock
- 0.0%
- Avg brand age
- 63 months
- Avg seller age
- 165 days
Competition & brand share
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.Brands
11 rising
Sellers
36
Top-5 brand share
91%
Top 20: 100%
Top-5 click share
45%
Top 20: 89%
Open market
7%
- Biotiful Dairy71%
- ACTIVIA8%
- Yeo Valley7%
- Krasnystaw3%
- Coolinario3%
- Milko3%
- Open — no brand owns it (5 brands, 7%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -6.5% search growth over the last 90 days.Peak months: Jan, Nov · busiest ÷ quietest = 2.1×
Top kefir search terms
- kefir203K/yr
- kefir yoghurt49K/yr
- kefir drink57K/yr
- biotiful kefir4K/yr
- biotiful4K/yr
- kefir yogurt4K/yr
- kefir milk4K/yr
- organic kefir4K/yr
- activia kefir5K/yr
- keifer3K/yr
Top kefir 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
Biotiful Gut Health Kefir Drink Original Immunity Support High in Protein Source of Calcium and Vitamin B12 No Added Sugar 1ltr
Biotiful Dairy£3.344.7★527 rev
Biotiful Gut Health Kefir Yogurt Original Natural Immunity Support High in Protein Source of Calcium and B12 350g
Biotiful Dairy£1.784.6★384 rev
Biotiful Gut Health Kefir Yogurt Drink Original Immunity Support High in Protein Source of Calcium and Vitamin B12 500ml
Biotiful Dairy£2.284.7★571 rev
Biotiful Gut Health Kefir Yogurt Original Natural Immunity Support High in Protein Source of Calcium and B12 1kg
Biotiful Dairy£3.994.8★8 rev
Biotiful Gut Health Kefir Drink Strawberry Immunity Support Source of Protein Source of Calcium and Vitamin B12 1ltr
Biotiful Dairy£3.384.5★877 rev
Newest
by launch date
Activia Kefir Mango Gut Health Fruit Yoghurt Drink 280g
ACTIVIA£1.405 rev
Kefir Drink Original Biotifuls 1L (3x1L)
KoalaKoi£22.907 rev
Biotiful Gut Health Kefir Yogurt Original Natural Immunity Support High in Protein Source of Calcium and B12 1kg
Biotiful Dairy£3.998 rev
Biotiful Gut Health Kefir Milk Drink Mango Immunity Support High in Protein Source of Calcium and Vitamin B12 1ltr
Biotiful Dairy£3.2514 rev
Coolinario Kefir Starter (5-Pack 1g Sachets) Live Probiotic Cultures
Coolinario£6.011,053 rev
Trending
90-day click momentumActivia Kefir Mango Gut Health Fruit Yoghurt Drink 280g
ACTIVIA£1.403.6★
Biotiful Gut Health High Protein Kefir Milk Drink High 20g Protein Shake Immunity Support Low in Fat Source Of Calcium Strawberry Flavour Alternative to Protein Powders & Shakes 330ml
Biotiful Dairy£1.704.3★
Biotiful Gut Health Kefir Yogurt Original Natural Immunity Support High in Protein Source of Calcium and B12 1kg
Biotiful Dairy£3.994.8★
Kefir Drink Original Biotifuls 1L (3x1L)
KoalaKoi£22.905.0★
Biotiful Gut Health Kefir Milk Drink Mango Immunity Support High in Protein Source of Calcium and Vitamin B12 1ltr
Biotiful Dairy£3.254.5★
What buyers say about kefir
What buyers praise and complain about, mined from review topics.What buyers love
“Amazing taste”
“good reliable product”
“Healthy”
“Great value”
“The instructions were clear”
“☀️🌈great consistency, €asy to €njoy useful size : good adding to foods and for adding flavouring nutrients mixed into Kefir ☀️💜good for You too of course, Skol☀️🌻”
“Fast Fermentation”
“Delicious a little sour as it has kefir added ~ still really delicious”
“Quiet pricy and have no affect on the stomach”
“This Kefir was so sweet”
What buyers complain about
“Did not work”
“Incredibly artificial taste”
“Wish it was a tad less expensive”
“it didn't look at all like the pictures”
“small”
“Milk just goes sour and remains thin”
“virtually no flavour”
“Quality is very poor”
“Kefir You actually have to heat the ingredients not just add to milk”
“Rather runny”
Common questions
- Is kefir profitable to sell on Amazon United Kingdom?
- The niche generates £238K/yr across 31 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -6.5%. Flapen's verdict: Worth a look (53/100).
- How competitive is the kefir niche?
- 11 brands and 36 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 91% of demand.
- What do buyers complain about in kefir?
- Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Value For Money. The return rate is 0.0%.
- When does demand for kefir peak?
- Demand peaks in Jan–Nov; the busiest month runs 2.1× the quietest.
- What does it cost to enter the kefir niche?
- Listings span £1.23–£22.90; the average listing price is £3.90 (sweet spot $15–$100). The average incumbent carries 337 reviews — the moat a new listing must climb.