10 Best Live Milk Kefir Grains in The UK

Last updated on 17/07/2025

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Best Choice

9.9

Exceptional

Freshly Fermented

Freshly Fermented – Organic Certified Milk Kefir Grains Starter Culture

Why We Love It

Naturally sourced beneficial bacteria.
Certified Organic and Lab-tested.
Infinite use starter culture.

Main Highlights

MILK KEFIR GRAINS - Get your beneficial bacteria the homemade way. Similar to yoghurt but a drink with a tart, sour taste and a slight fizz, you can mix your kefir with fruit, syrup or make a smoothie to mask the sour taste
ORGANIC CERTIFIED & UKAS LAB TESTED - Our milk kefir starter culture is certified by the Organic Food Federation and UKAS lab tested. The culture is packaged in food grade biodegradable plastic
SUITABLE FOR ANY MILK - Our kefir grains will ferment any animal milk including cow, sheep and goats
BACTERIA RICH - A vast variety of bacteria have been isolated and identified in kefir grains including Lactobacilli, Streptococci Lactococci, Acetobacter and Yeasts. It provides your body with high levels of bacteria and minerals
REUSABLE STARTER CULTURE - Our milk kefir is a traditional grain style kefir culture. This culture can be used indefinitely to create delicious bacteria-rich kefir over and over again

15g Organic Certified Milk Kefir Grains (UKAS Lab Tested) by Kombuchaorganic®

Why We Love It

Boosts immunity and digestion.
Tested for harmful pathogens.
Ferments quickly in 24 hours.

Main Highlights

You will get 15 grams of Organic milk kefir grains made locally with natural Organic milk that produce powerful milk kefir drinks in just 24 hours.
Our milk kefir grains are regularly tested for microbiology and harmful pathogens by UKAS LAB
Milk Kefir contains beneficial bacteria which may boost immunity and aid digestion
RM48 delivery service - Trusted UK Seller culturing for over 14 years
Great selling kefir in the UK grown by Kombuchaorganic

30g Live Water Kefir Grains - Certified Organic from Kombuchaorganic® Large Sachet UKAS Lab tested - Great VALUE and Outstanding and Unique Quality Cultures

Why We Love It

Promotes digestive health and immunity.
Simple and speedy fermenting process.
Certified organic and additive-free.

Main Highlights

LIVE and ready to use WATER KEFIR GRAINS: Get your beneficial bacteria the homemade way. A healthy alternative to soda or sweetener laden drinks, it can be flavoured with fruit, fruit juices or herbal teas resulting in a fantastic tasting beverage
ORGANIC CERTIFIED & UKAS LAB TESTED - Our water kefir starter culture is certified by the Organic Farmers & Growers and tested by the UKAS. The culture is packaged in food grade biodegradable plastic
30 grams weighted without liquid - Large grains. DAIRY-FREE AND VEGAN: Unlike milk kefir, our organic water kefir grains make a sparkling drink by fermenting a sugar-water solution. Our water grains are vegan friendly.
EASY TO BREW: Incredibly easy to brew, the starter grains can create a new batch of kefir every 48 hours. This makes a great non-dairy alternative to milk kefir and can be flavoured after brewing to make a variety of drinks
REUSABLE STARTER CULTURE – Our water kefir is a traditional grain style kefir culture. This culture can be used indefinitely to create delicious bacteria-rich kefir over and over again

Phoenix Fungi Milk Kefir Grains - 15g Live Culture for Home Fermentation - Fresh, Organic & Beneficial Bacteria Rich - Easy to Brew Kefir Drink - Supports Gut Health

Why We Love It

Family-sized batches for everyone.
Boosts gut health naturally.
Easy to use for all.

Main Highlights

Family-Sized Fermentation – Our 15g pack of live, organic kefir grains is ideal for producing large batches of milk kefir for the whole household.
Gut Health & Digestion Boost – Loaded with live beneficial bacteria and yeast, kefir supports digestive health and overall wellbeing as part of a varied diet.
Simple & Reliable Brewing – Ferment with milk for 24-48 hours to create a creamy, rich beverage – easy for all experience levels.
Reusable & Long-Lasting – With proper care, our grains can be reused indefinitely, providing continuous kefir brewing at home.
Fresh & Sustainable Packaging – Delivered fresh in eco-friendly packaging, ensuring the best quality while minimising environmental impact.

RawCultures® Certified Organic Live Water Kefir Grains - 30 Grams of Live organically Grown Water Kefir

4% Off

Why We Love It

Grown with organic ingredients.
Brews up to 2 liters.
Tested by accredited laboratory.

Main Highlights

Organic Kefir grains from RawCultures grown using organic cane sugar, organic molasses and spring water. REUSABLE STARTER CULTURE – Our water kefir is a traditional grain style kefir culture. This culture can be used indefinitely to create delicious bacteria-rich kefir over and over again
WATER live KEFIR GRAINS: Get your beneficial bacteria the homemade way. A healthy alternative to soda or sweetener laden drinks, it can be flavoured with fruit, fruit juices or herbal teas resulting in a fantastic tasting beverage (ready to use - not dehydrated)
30g of grains provided with printed instruction. ORGANIC CERTIFIED & UKAS LAB TESTED - Our water kefir starter culture is certified by the Organic Farmers & Growers and tested by the UKAS. The culture is packaged in food grade biodegradable plastic
DAIRY-FREE AND VEGAN: Unlike milk kefir, our organic water kefir grains make a sparkling drink by fermenting a sugar-water solution. Our water grains are vegan friendly.
EASY TO BREW: Printed instruction is provided. Incredibly easy to brew, the starter grains can create a new batch of kefir every 48 hours. This makes a great non-dairy alternative to milk kefir and can be flavoured after brewing to make a variety of drinks

Live Kefir Company, Live Milk Kefir Grains. UK Starter Culture, Complete with Instructions. 5g

Why We Love It

Quality assured, GMO free.
Handmade for optimal bacteria.
Boosts gut health effectively.

Main Highlights

Quality assured, highest quality milk kefir grains, no additives, GMO free
Lovingly handmade in the UK to create the best live active bacteria on the planet, producing billions of live active bacteria per 100ml of kefir milk.
Gut health is essential, our kefir grains are the best starter culture which provides your body with high levels of live active bacteria and vitamins
Our grains are highly active and are far superior than powdered kefir cultures. Our grains produce billions of live active bacteria, powdered kefir produces very little if any at all. Our grains will last forever if properly looked after
Complete with full easy to follow instructions

10g of Kombuchaorganic® Live Certified Organic MILK KEFIR Grains - Grass Fed Cow's MILK Kefir Grains - LAB Tested

Why We Love It

Fresh milk kefir grains.
Micro-biologically tested safety.
Organic Certified growth.

Main Highlights

10 grams of Organic Certified milk kefir grains made locally with natural milk that produce powerful milk kefir drinks ferment. MILK KEFIR GRAINS - Get your beneficial bacteria the homemade way. Similar to yoghurt but a drink with a tart, sour taste and a slight fizz, you can mix your kefir with fruit, syrup or make a smoothie to mask the sour taste
ORGANIC CERTIFIED & UKAS LAB TESTED - Our milk kefir starter culture is certified by the Organic Farmers & Growers and UKAS lab tested. The culture is packaged in food grade biodegradable plastic.
SUITABLE FOR ANY MILK - Our kefir grains will ferment any animal milk including cow, sheep and goats etc. Printed paper instructions provided.
BACTERIA RICH - A vast variety of bacteria have been isolated and identified in kefir grains including Lactobacilli, Streptococci Lactococci, Acetobacter and Yeasts. It provides your body with high levels of bacteria and minerals. RM48 delivery service - Trusted UK Seller culturing for over 14 years
REUSABLE STARTER CULTURE - Our milk kefir is a traditional grain style kefir culture. This culture can be used indefinitely to create delicious bacteria-rich kefir over and over again.

Good Gut Tribe - Organic Milk Kefir Grains (5g)

17% Off

Why We Love It

Organic-certified and lab-tested quality.
Ferments all types of milk.
Reusable culture for endless kefir.

Main Highlights

MILK KEFIR GRAINS - Get your beneficial bacteria the homemade way. Similar to yoghurt but a drink with a tart, sour taste and a slight fizz, you can mix your kefir with fruit, syrup or make a smoothie to mask the sour taste
ORGANIC CERTIFIED & UKAS LAB TESTED - Our milk kefir starter culture is certified by the Organic Food Federation and UKAS lab tested. The culture is packaged in food grade biodegradable plastic
SUITABLE FOR ANY MILK - Our kefir grains will ferment any animal milk including cow, sheep and goats
BACTERIA RICH - A vast variety of bacteria have been isolated and identified in kefir grains including Lactobacilli, Streptococci Lactococci, Acetobacter and Yeasts. It provides your body with high levels of bacteria and minerals
REUSABLE STARTER CULTURE - Our milk kefir is a traditional grain style kefir culture. This culture can be used indefinitely to create delicious bacteria-rich kefir over and over again

Mia's Organic Cultures

Live Organic RAW MILK KEFIR Grains - Grass-Fed Cow's MILK Kefir Grains Organically Grown By Mia's Organic Cultures®

Why We Love It

High-quality Organic Milk Grains.
Quick and reliable delivery service.
Includes handy instructions and smoothie.

Main Highlights

100% Organic Milk Kefir Grains
Fast Delivery
Instructions + smoothie inside

Organic Probiotic Live Milk Kefir Grains - Tibetan Mushroom

Why We Love It

Grown in organic whole milk.
No rehydration needed.
Probiotic and immune boosting.

Main Highlights

1 teaspoon of live kefir grains
Our Grains are only grown in organic whole milk. These grains are ready to brew, they do not need rehydrating, simply pop them in milk and off you go. Our kefir is 100% natural and organically grown.
THIS IS NOT THE POWDERED KEFIR THIS IS REAL KEFIR - no need to keep buying more
Just add milk and they will turn the milk into kefir !
Probiotic, immune boosting kefir drink

9.1

Superb

We scanned 1122 products

We reviewed these offers relevant to the Live Milk Kefir Grains within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Freshly Fermented, Kombuchaorganic, Phoenix Fungi, Live Kefir Company, Good Gut Tribe, Mia's Organic Cultures, Colloidal, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Live Milk Kefir Grains in the market, we considered we took a deep dive into 5611 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Freshly Fermented – Organic Certified Milk Kefir Grains Starter Culture. We love many things about this product by Freshly Fermented. What sets it apart from the competition is Naturally sourced beneficial bacteria. , Certified Organic and Lab-tested. , Infinite use starter culture.
The best value product for most shoppers and where user satisfaction is continuously the highest is 15g Organic Certified Milk Kefir Grains (UKAS Lab Tested) by Kombuchaorganic® by Kombuchaorganic based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Live Milk Kefir Grains and the best cost-to-value ratio is Good Gut Tribe - Organic Milk Kefir Grains (5g)at Good Gut Tribe with a 17% discount.
Our list of the best Live Milk Kefir Grains is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Live Milk Kefir Grains in The UK

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We scanned 1122 products

We concluded that: