10 Best Kefir Grains Organic in The UK

Last updated on 08/08/2025

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Best Choice

9.8

Exceptional

Good Gut Tribe

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

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

Freshly Fermented - 20g of Organic Certified Water Kefir Grains

Why We Love It

Healthy homemade probiotic drink.
Organic certified grains.
Dairy-free and vegan.

Main Highlights

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 Food Federation 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: 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

Live Kefir Company, Live Milk Kefir Grains. UK Starter Culture, Complete with Instructions. 10g

Why We Love It

Assures quality with GMO-free ingredients.
Handmade in UK for potency.
Promotes 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

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

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

Freshly Fermented - Organic Water Kefir Grains (20g)

Why We Love It

Low-calorie and beneficial bacteria.
Certified organic and tested.
Dairy-free and vegan-friendly.

Main Highlights

WATER KEFIR GRAINS: 20g. These organic water kefir grains are used to create a refreshing, naturally carbonated drink by fermenting a sugar-water mixture. During fermentation, over 90% of the sugar is consumed, resulting in a low-calorie beverage rich in beneficial bacteria and yeast.
CERTIFIED ORGANIC & LAB TESTED – Our products are fully certified organic by the Organic Food Federation, and all cultures undergo testing at UKAS-accredited labs. The grains are packaged in biodegradable, food-grade plastic for sustainability and safety.
DAIRY-FREE & VEGAN-FRIENDLY: Our organic water kefir grains create a naturally sparkling beverage by fermenting a sugar-water solution. Completely dairy-free, they are also perfect for those following a vegan lifestyle.
EASY TO MAKE: Water kefir is simple to prepare, with the starter grains producing a fresh batch every 48 hours. It’s an excellent non-dairy alternative to traditional milk kefir.
HEIRLOOM STARTER CULTURE – Our water kefir culture is reusable, allowing you to create delicious, bacteria-rich kefir indefinitely, batch after batch.

20G Fresh Water Kefir Grains, Organic Certified, Vegan Friendly, Made in the UK.

Why We Love It

Low-calorie, gut-healthy beverage.
Non-dairy and gluten-free.
Flavors suit your taste.

Main Highlights

Organic water kefir grains ferment a sugar-water solution, consuming over 90% of the sugar to produce a low-calorie drink rich in beneficial bacteria and yeast, making it a perfect healthy alternative to soda or sweetener-laden drinks.
Easily customizable, this refreshing fermented beverage can be flavored with fruit, fruit juices, or herbal teas, resulting in a delicious and sparkling drink that suits your taste preferences.
Ideal for those avoiding dairy, water kefir grains create a non-dairy, gluten-free fermented beverage. These grains are a symbiotic colony of bacteria and yeast, producing minimal alcohol (less than 1%) and offering a daily source of gut healthy goodness.
Easy to make at home, water kefir grains will produce indefinitely with proper care. Detailed instructions are provided, and we offer support and replacements if any issues arise with activating the grains.

Freshly Fermented – Organic Certified Milk Kefir Grains Starter Culture, 10 Grams

Why We Love It

Homemade beneficial bacteria boost.
Certified, tested, and renewable.
Suitable for any milk.

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

Freshly Fermented - Organic & Vegan Certified Water Kefir Grains Starter Culture, 40g

Why We Love It

Healthy soda alternative beverage.
Certified Organic and Tested.
Easy to brew drink.

Main Highlights

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 Food Federation 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 certified by the vegan society
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

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

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

8.7

Excellent

We scanned 1925 products

We reviewed these offers relevant to the Kefir Grains Organic 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 Good Gut Tribe, Freshly Fermented, Live Kefir Company, Kombuchaorganic, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Kefir Grains Organic in the market, we considered we took a deep dive into 9626 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 Good Gut Tribe - Organic Milk Kefir Grains (5g). We love many things about this product by Good Gut Tribe. What sets it apart from the competition is Organic-certified and lab-tested quality, Ferments all types of milk, Reusable culture for endless kefir.
The best value product for most shoppers and where user satisfaction is continuously the highest is Freshly Fermented - 20g of Organic Certified Water Kefir Grains by Freshly Fermented based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Kefir Grains Organic and the best cost-to-value ratio is RawCultures® Certified Organic Live Water Kefir Grains - 30 Grams of Live organically Grown Water Kefirat Kombuchaorganic with a % discount.
Our list of the best Kefir Grains Organic 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 Kefir Grains Organic in The UK

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We scanned 1925 products

We concluded that: