---
title: "Kefir — £238K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/kefir"
last_updated: "2026-07-31T21:05:13.165Z"
locale: en
meta:
  description: "Niche score 53/100 · £238K/yr market · 340K searches/yr. Pricing outside the sweet spot ($3.90 avg) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 53/100 · £238K/yr market · 340K searches/yr. Pricing outside the sweet spot ($3.90 avg) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Kefir — £238K/yr Amazon UK Niche (2026) - Flapen"
---

# **kefir**

**Worth a look**

Shows low returns (0.0%), but pricing outside the sweet spot ($3.90 avg) keeps it on the watch list.

Market size 45Growth 22Conversion 99Competition 67Returns 100Price range 36Avg price 11Brand share 23Review moat 83Quality gap 40

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****17.9%**

search→purchase rate — share of searches ending in a sale

**Review moat**

**Great****336.81**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****45%**

top-5 click share — leaders hold, buyers still browse

**Market size**

**Okay****£238K**

£238K/yr · 340K searches

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Price range**

**Okay****£1.23–£22.90**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Brand share**

**Bad****91%**

top-5 brand share — brand-locked demand

**Growth**

**Bad****-6.5%**

90-day search growth — must beat 0% to launch

**Avg price**

**Bad****£3.90**

avg 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 ~~](https://flapen.com/research/methodology)

## **kefir market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**80K–100K**</dd><dd>avg 2,500–3,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**£312K–£390K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**17.9%**</dd>

<dt>**Avg BSR**</dt><dd>**#40**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**90%**</dd>

<dt>**Sponsored**</dt><dd>**16%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**63 months**</dd>

<dt>**Avg seller age**</dt><dd>**165 days**</dd>

</dl>

## **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.

15K10KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan, Nov · busiest ÷ quietest = 2.1×

[**Open Trend **](https://flapen.com/research/uk/grocery/kefir/trend)

## **Top kefir search terms**

- **kefir**203K/yr-3.8%17.4% conv. - **kefir yoghurt**49K/yr-4.7%16.7% conv. - **kefir drink**57K/yr-19.7%8.3% conv. - **biotiful kefir**4K/yr+18.1%3.5% conv. - **biotiful**4K/yr+5.1%14.5% conv. - **kefir yogurt**4K/yr-8.3%6.3% conv. - **kefir milk**4K/yr-15.1%3.0% conv. - **organic kefir**4K/yr-19.4%9.2% conv. - **activia kefir**5K/yr+13.4%8.2% conv. - **keifer**3K/yr+0.0%6.7% conv. [**All search terms **](https://flapen.com/research/uk/grocery/kefir/search-terms)

## **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.

0%5%£12K10%£24K15%£36K20%£48K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Biotiful Gut Health Kefir Drink Original Immunity Support High in Protein Source of Calcium and Vitamin B12 No Added Sugar 1ltr](https://m.media-amazon.com/images/I/31MFD-eN7lL.jpg)**Biotiful Gut Health Kefir Drink Original Immunity Support High in Protein Source of Calcium and Vitamin B12 No Added Sugar 1ltr**Biotiful Dairy**£3.34**4.7★527 rev](https://www.amazon.co.uk/dp/B08FGP97FH) [2![Biotiful Gut Health Kefir Yogurt Original Natural Immunity Support High in Protein Source of Calcium and B12 350g](https://m.media-amazon.com/images/I/418fTAxanjL.jpg)**Biotiful Gut Health Kefir Yogurt Original Natural Immunity Support High in Protein Source of Calcium and B12 350g**Biotiful Dairy**£1.78**4.6★384 rev](https://www.amazon.co.uk/dp/B0BRQLWKSS) [3![Biotiful Gut Health Kefir Yogurt Drink Original Immunity Support High in Protein Source of Calcium and Vitamin B12 500ml](https://m.media-amazon.com/images/I/31erbi1UODL.jpg)**Biotiful Gut Health Kefir Yogurt Drink Original Immunity Support High in Protein Source of Calcium and Vitamin B12 500ml**Biotiful Dairy**£2.28**4.7★571 rev](https://www.amazon.co.uk/dp/B00MBH8B7Y) [4![Biotiful Gut Health Kefir Yogurt Original Natural Immunity Support High in Protein Source of Calcium and B12 1kg](https://m.media-amazon.com/images/I/41LTVklhtfL.jpg)**Biotiful Gut Health Kefir Yogurt Original Natural Immunity Support High in Protein Source of Calcium and B12 1kg**Biotiful Dairy**£3.99**4.8★8 rev](https://www.amazon.co.uk/dp/B0FMKDKNVP) [5![Biotiful Gut Health Kefir Drink Strawberry Immunity Support Source of Protein Source of Calcium and Vitamin B12 1ltr](https://m.media-amazon.com/images/I/41EfVB7rFWL.jpg)**Biotiful Gut Health Kefir Drink Strawberry Immunity Support Source of Protein Source of Calcium and Vitamin B12 1ltr**Biotiful Dairy**£3.38**4.5★877 rev](https://www.amazon.co.uk/dp/B0BGST9BMB)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Activia Kefir Mango Gut Health Fruit Yoghurt Drink 280g](https://m.media-amazon.com/images/I/41E7Pf4MD3L.jpg)**Activia Kefir Mango Gut Health Fruit Yoghurt Drink 280g**ACTIVIA**£1.40**5 rev6mo ago](https://www.amazon.co.uk/dp/B0GGGJ8HQ6) [![Kefir Drink Original Biotifuls 1L (3x1L)](https://m.media-amazon.com/images/I/41B5tejsKZL.jpg)**Kefir Drink Original Biotifuls 1L (3x1L)**KoalaKoi**£22.90**7 rev7mo ago](https://www.amazon.co.uk/dp/B0G53JQ49X) [![Biotiful Gut Health Kefir Yogurt Original Natural Immunity Support High in Protein Source of Calcium and B12 1kg](https://m.media-amazon.com/images/I/41LTVklhtfL.jpg)**Biotiful Gut Health Kefir Yogurt Original Natural Immunity Support High in Protein Source of Calcium and B12 1kg**Biotiful Dairy**£3.99**8 rev11mo ago](https://www.amazon.co.uk/dp/B0FMKDKNVP) [![Biotiful Gut Health Kefir Milk Drink Mango Immunity Support High in Protein Source of Calcium and Vitamin B12 1ltr](https://m.media-amazon.com/images/I/31NWiHT0w0L.jpg)**Biotiful Gut Health Kefir Milk Drink Mango Immunity Support High in Protein Source of Calcium and Vitamin B12 1ltr**Biotiful Dairy**£3.25**14 rev1y ago](https://www.amazon.co.uk/dp/B0FBMK4FGJ) [![Coolinario Kefir Starter (5-Pack 1g Sachets) Live Probiotic Cultures](https://m.media-amazon.com/images/I/41YENIdBgJL.jpg)**Coolinario Kefir Starter (5-Pack 1g Sachets) Live Probiotic Cultures**Coolinario**£6.01**1,053 rev1y ago](https://www.amazon.co.uk/dp/B0DTMK6HTW)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Activia Kefir Mango Gut Health Fruit Yoghurt Drink 280g](https://m.media-amazon.com/images/I/41E7Pf4MD3L.jpg)**Activia Kefir Mango Gut Health Fruit Yoghurt Drink 280g**ACTIVIA**£1.40**3.6★**▲ 272%**](https://www.amazon.co.uk/dp/B0GGGJ8HQ6) [![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](https://m.media-amazon.com/images/I/31WdzeP1euL.jpg)**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**£1.70**4.3★**▲ 87%**](https://www.amazon.co.uk/dp/B0DBLWZJB7) [![Biotiful Gut Health Kefir Yogurt Original Natural Immunity Support High in Protein Source of Calcium and B12 1kg](https://m.media-amazon.com/images/I/41LTVklhtfL.jpg)**Biotiful Gut Health Kefir Yogurt Original Natural Immunity Support High in Protein Source of Calcium and B12 1kg**Biotiful Dairy**£3.99**4.8★**▲ 58%**](https://www.amazon.co.uk/dp/B0FMKDKNVP) [![Kefir Drink Original Biotifuls 1L (3x1L)](https://m.media-amazon.com/images/I/41B5tejsKZL.jpg)**Kefir Drink Original Biotifuls 1L (3x1L)**KoalaKoi**£22.90**5.0★**▲ 38%**](https://www.amazon.co.uk/dp/B0G53JQ49X) [![Biotiful Gut Health Kefir Milk Drink Mango Immunity Support High in Protein Source of Calcium and Vitamin B12 1ltr](https://m.media-amazon.com/images/I/31NWiHT0w0L.jpg)**Biotiful Gut Health Kefir Milk Drink Mango Immunity Support High in Protein Source of Calcium and Vitamin B12 1ltr**Biotiful Dairy**£3.25**4.5★**▲ 24%**](https://www.amazon.co.uk/dp/B0FBMK4FGJ)

**~~View all trending →~~**

## **What buyers say about kefir**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Taste-Overall**42%

*“Amazing taste”*

**Quality-Overall**15%

*“good reliable product”*

**Health Benefits-Overall**11%

*“Healthy”*

**Value For Money**4%

*“Great value”*

**Instructions/User Manual/Troubleshooting**4%

*“The instructions were clear”*

**Texture/Consistency-Overall**3%

*“☀️🌈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☀️🌻”*

**Cooking Instructions**2%

*“Fast Fermentation”*

**Sour**1%

*“Delicious a little sour as it has kefir added ~ still really delicious”*

**Acid Regulator/Stomach Ache Relief**1%

*“Quiet pricy and have no affect on the stomach”*

**Sweetness**1%

*“This Kefir was so sweet”*

### **What buyers complain about **

**Functionality-Overall**19%

*“Did not work”*

**Taste-Overall**18%

*“Incredibly artificial taste”*

**Value For Money**8%

*“Wish it was a tad less expensive”*

**Advertised Vs Actual Product**7%

*“it didn't look at all like the pictures”*

**Size-Overall**7%

*“small”*

**Sour**7%

*“Milk just goes sour and remains thin”*

**Flavor**5%

*“virtually no flavour”*

**Quality-Overall**3%

*“Quality is very poor”*

**Ingredients-Overall**3%

*“Kefir You actually have to heat the ingredients not just add to milk”*

**Dilute/Watery**3%

*“Rather runny”*

## **Common questions**

<dl>

<dt>**Is kefir profitable to sell on Amazon United Kingdom?**</dt><dd>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).</dd>

<dt>**How competitive is the kefir niche?**</dt><dd>11 brands and 36 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 91% of demand.</dd>

<dt>**What do buyers complain about in kefir?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Value For Money. The return rate is 0.0%.</dd>

<dt>**When does demand for kefir peak?**</dt><dd>Demand peaks in Jan–Nov; the busiest month runs 2.1× the quietest.</dd>

<dt>**What does it cost to enter the kefir niche?**</dt><dd>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.</dd>

</dl>

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