Water Kefir with Yuzu & Mandarin Flavour BIO • no added sugar or sweeteners • probiotics • vegan • gluten-free • 330 ml
Refreshing fermented drink without added sugar, artificial sweeteners, and preservatives. A gentle combination of yuzu and mandarin for everyday functional hydration without guilt. Organic quality, suitable for vegans, gluten-free.
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Yuzu & Mandarin Water Kefir – Kult Kefir
Lightly sparkling water kefir with aromatic yuzu from the hills of Japan, balanced with sweet mandarin. Best enjoyed chilled.
The drink ferments naturally thanks to kefir crystals, i.e., yeasts and beneficial bacteria. The process usually takes 36–48 hours.
The final drink is pasteurized and mainly contains postbiotics that arise during fermentation.
Made in Belgium in small batches. Organic, vegan, gluten-free. Discover other KULT Kefir flavors.
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Why drink Kult Kefir beverages?
A functional alternative to regular lemonades and so-called "probiotic drinks." Craft fermentation – not quick production of carbonated water; the drink mainly contains postbiotics.
- Traditional water kefir – standard fermentation, natural sparkling, gentle pasteurization for stability.
- Postbiotics, not probiotics – no live cultures remain after pasteurization; the drink mainly contains postbiotics formed during fermentation.
- Lower residual sugar – compared to kombucha and most lemonades, there is less sugar.
- Flavor without aromas – real juice from organic yuzu (slightly bitter, origin Japan) and organic mandarin; pure profile.
- Craft production – small batches, organic ingredients, hand quality control by a fermentation expert.
- Everyday drinking – light, low-calorie, gentle on the stomach.
Looking for a comparison? Kombucha is often more acidic and sweeter. Probiotic lemonade (ang. soda) is more like carbonated water with artificially added cultures.
We also wrote an article about it: Summer refreshment with benefits: Fermented lemonades full of probiotics, prebiotics, and postbiotics
Kult Kefir is a genuinely fermented drink with postbiotics and a clean composition, which is why it costs more and tastes completely different.
Discover also other non-alcoholic beverages in our offer.
Water kefir – live fermentation, gentle bubbles
Water kefir is made from kefir crystals (tibicos) – a symbiosis of yeasts and bacteria. During fermentation in a sugar solution, organic acids and natural bubbles are formed.
Kult Kefir ferments in small batches from organic ingredients for almost 2 days and uses freshly pressed juices (e.g., in the flavor Passion fruit and hops) without artificial aromas.
During fermentation, most of the cane sugar is converted into organic acids, so the drink has a slightly tart taste and low residual sugar.
The drink is bottled in recyclable aluminum cans (emphasis on efficient recycling and light protection). The brand was founded by bioengineer Mathilde Riga; the product and recipes are led internally, but the production itself takes place in Belgium in collaboration with a partner brewery in Antwerp.
Why choose Kult Kefir
Kult Kefir brings a unique water-kefir to the market – a lightly sparkling drink created by fermenting organic fruits and herbs. Thanks to traditional mother culture and 48-hour maturation, it offers natural taste, minimum sugar and a wide spectrum of organic acids – a perfect alternative to sweetened lemonades.
The brand is backed by a Belgian bioscience engineer who started fermenting at home in the kitchen; today he produces kefir in Brussels and Wavre, still in small batches, to maintain the freshness and authentic aroma of each batch.
Kult Kefir relies on 100% natural ingredients, without artificial additives, and uses freshly pressed juices or herbal teas. The drink is rich in postbiotics, supports healthy digestion and is packed in fully recyclable aluminum cans, which save resources.
100% organic quality
Pure composition without artificial additives and refined sugar.
Low sugar content
Fermentation converts most of the sugar; in 100 ml only ≈ 1-3 g.
Postbiotic power
No live cultures. Organic acids, peptides, polysaccharides supplement the diet with substances from fermented foods.
Real ingredients
Freshly pressed juices, no aromas or extracts.
Easy recycling
Lightweight aluminum cans belong in a regular metal container – aluminum can be recycled repeatedly, even without a return deposit.
Belgian craft
Small batches of hand-led fermentation in Brussels and Wavre.
Composition
Water kefir (filtered water, water kefir culture, cane sugar* – partially converted by fermentation, lemon concentrate*), yuzu juice (0.7 %)*, mandarin concentrate (0.5 %)*.
*from organic farming
Nutritional values
| Typical values | per 100 ml | What does it mean for you? |
|---|---|---|
| Energy | 46 kJ / 10 kcal | Low energy value – suitable for everyday refreshment without unnecessary calorie load |
| Fats | <0.5 g | Very low fat content – gentle on digestion and calorie intake |
| Carbohydrates | 2.5 g | Moderate carbohydrate content – comes from natural sources |
| of which sugars | 2.4 g | Only natural sugars – no artificial sweeteners |
| Fiber | 0.5 g | Contains fiber – contributes to supporting healthy digestion |
| Proteins | <0.5 g | Low protein content – light drink suitable for regular consumption |
| Salt | <0.01 g | Very low sodium content – naturally refreshing |
One can (330 ml) = provides approximately 33 kcal, so you can enjoy it guilt-free anytime during the day – as a functional alternative to sweetened lemonades.
Composition analysis and functional benefits
Filtered water
What it is: Pure water free of impurities and unwanted substances through filtration.
Function: Serves as the basic medium for fermentation and nutrient transfer from other ingredients.
Benefits: Ensures a clean taste of the drink and a safe environment for the growth of kefir culture.Water kefir culture
What it is: A mixture of probiotic bacteria and yeasts that naturally ferments sugars.
Function: Converts sugar into organic acids, carbon dioxide, and probiotic substances for healthy digestion.
Benefits: Supports intestinal microflora and the body's natural defenses.Cane sugar
(from organic farming)What it is: A natural sweetener from sugar cane that serves as food for the kefir culture.
Function: Ensures the fermentation process and the resulting mild sweet and sour taste of the drink.
Benefits: After fermentation, only a small amount of sugar remains, so the drink has a lower glycemic load.Lemon concentrate
(from organic farming)What it is: Concentrated juice from fresh organic lemons.
Function: Adds fresh acidity to the drink and supports the fermentation process thanks to natural citric acid.
Benefits: Source of vitamin C and antioxidants that contribute to cell protection.Yuzu juice (0.7 %)
(from organic farming)What it is: Aromatic citrus juice from yuzu fruits grown in organic quality.
Function: Enriches the taste of the drink with distinctive citrus tones with a slight bitterness.
Benefits: Contains a unique combination of antioxidants and vitamin C that supports immunity.Mandarin concentrate (0.5 %)
(from organic farming)What it is: Concentrated juice from organic mandarins.
Function: Adds gentle sweetness and fruity aroma that balances the acidity of the drink.
Benefits: Natural source of vitamin C and natural flavonoids for the vitality of the body.
What does this mean for you?
Water kefir with yuzu & mandarin flavor offers fresh citrus taste with the benefits of live cultures. Contains fermented infusion with organic yuzu and mandarin from organic farming and is naturally low in sugar due to the fermentation process. Gluten-free, vegan, organic certification – an ideal choice for refreshment and digestion support during the day. Simple composition that will please everyone who wants to drink healthy and tasty.
Notice
- Sugar content is the result of natural fermentation.
- Natural cloudiness and sediment are not a defect – they are proof of live culture.
- Upon opening, there may be a gentle pressure – open carefully.
- Store in a cool place after opening (up to 8 °C) and consume within 3 days.
- Alcohol content <0.1 % – less than in regular fruit juices or ripe fruit.
FAQ
Does the drink contain live cultures?
No. After fermentation, the drink is pasteurized. The live cultures are deactivated. However, postbiotics and a naturally gentle effervescence remain.
Why do you pasteurize the drink?
For stability and safety without preservatives. Pasteurization stops fermentation and keeps the same flavor profile in every batch.
Do you add probiotics after pasteurization?
No. We don’t add “ready-made” probiotics. We rely on naturally occurring postbiotics and clean ingredients without artificial interference.
Is KULT truly organic?
Yes. We prioritize organic farming and certified organic ingredients. That supports biodiversity and a clean taste.
Where is KULT made?
In Belgium, in small batches. The craft fermentation facility favors quality over quantity.
How much sugar does the drink contain?
Most of the sugar is converted during fermentation into organic acids. For the Yuzu & Mandarin flavor it’s about 2.4 g/100 ml. Check the exact values on the label.
Is KULT non-alcoholic?
Yes. It contains less than 0.1 % alcohol (less than a ripe banana or a typical juice).
How is KULT flavored?
We use real ingredients—no artificial flavors or extracts. Whenever possible, we choose fresh, cold-pressed juices.
Where does the yuzu come from?
Yuzu comes from Japan—literally “from the hills of Japan.” It has an aromatic, citrusy taste with pleasantly bitter notes. KULT uses fresh, cold-pressed juices to preserve the ingredients’ natural qualities.
Are the cans eco-friendly?
Yes. Aluminum is recycled efficiently and repeatedly. It’s lightweight, reduces transport emissions, and protects the contents from light and oxygen. The liner is BPA-free.
What to buy with Yuzu & Mandarin water kefir?
- ✔︎ Collagen bar NoordCode – cocoa & hazelnuts – a nutritious snack that perfectly complements light kefir and provides long-lasting satiety without sugar.
- ✔︎ PUR chewing gum with xylitol – Bubblegum – freshens breath after a fermented drink, without sugar, aspartame, and artificial additives.
- ✔︎ Golden Latte mix – Ceylon turmeric & cinnamon – a warming evening drink without sugar, which perfectly matches refreshing kefir during the day.
- ✔︎ Protein crackers Swedish Protein Deli – salty low-carb snack that contrasts with the fruity taste of kefir. Ideal for keto or low-carb style.
Additional parameters
| Category: | Drinks |
|---|---|
| EAN: | 5419980250438 |
| Manufactured by: | Kult, Avenue Alphonse XIII 56, 1180 Bruxelles |
| Country of origin: | Belgium |
| Vhodné pro: | Vegan-organic certification-GMO Free-Sugar Free-Low carb |
| Quantity: | 330 ml |
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Opravdu vynikající. Nejvíce mi chutná z nabídky KULTu. Ale ostatní také nejsou špatné, kupuju opakovaně. Vychlazený v lednici v letních vedrech je TOP. A hlavně není zbytečně sladký!
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KULT Kefir is a brand that unites science and the art of fermentation to create naturally sparkling drinks full of probiotics. They are crafted from traditional water kefir grains, without artificial additives, preservatives or refined sugar, with an emphasis on clean ingredients and authentic taste.
It is built on handmade production and a sustainable approach—from carefully selected ingredients to recyclable packaging. It’s a popular choice for those seeking a healthier and functional alternative to conventional soft drinks.
Renowned fermented beverages thanks to:
- Clean formulation — made from water kefir with no artificial additives, no preservatives and minimal processing; each batch delivers naturally occurring postbiotics as the result of authentic fermentation.
- Carefully selected ingredients — every kefir grain arises from natural processes through which values and culture are passed down from generation to generation; the recipe reflects the authenticity and quality of fermentation.
- A fusion of tradition and innovation — unique recipes draw on kefir-grain cultures handed down through generations while leveraging modern insights from the biosciences to achieve exceptional flavour and function.
Water kefirs
Who’s behind the Kult Kefir brand
The driving force behind Kult Kefir is Mathilde Riga, a passionate Belgian bioengineer who turned her love of the biological sciences into a delicious fermented drink. Her journey began in her own kitchen, where her mother passed on water kefir grains—and from that moment a vision was born. Blending home experiments with scientific expertise, she created a brand that pushes the boundaries of traditional fermentation.
During her experiments, Mathilde realised that everyday ingredients hold remarkable potential — and in October 2020 she “planted the seeds” of KULT. Since then, she has shaped a brand philosophy grounded in innovation, authenticity and the simple purity of ingredients. KULT emerges as a union of science and art, poured into every bottle that tells a story of passion, quality and nature’s wonder.
The Kult Kefir vision
The vision of Kult Kefir is to push the boundaries of taste and wellbeing and to craft uncompromising fermented drinks, where every sip tells a story of passion, innovation and nature’s wonders.
The brand invites you on a journey through fermentation—to experience KULT and discover something extraordinary in every sip.
It fulfils this vision by combining the biological sciences with the art of fermentation, emphasising authentic processes and honouring the mother culture and the cyclical passing on of kefir grains—from generation to generation.
In this way, Kult blends tradition and innovation into drinks that honour their natural origin and quality craftsmanship.
The name — how it came about and what it stands for
The word “culture” has its root in the Indo-European kwel, denoting a cyclical process.
The name KULT was chosen as a tribute to the unique relationship between water kefir and the idea of culture. Just as cultural heritage is passed from generation to generation, water kefir grains are handed on in an endless cycle.
It also points to the mother culture—the beneficial microorganisms that trigger the fermentation of every new batch.
What is a fermented lemonade?
A fermented lemonade is a naturally sparkling drink created when a culture (for example, water kefir grains) converts part of the sugar from water and fruit during fermentation into organic acids and gentle bubbles of carbon dioxide. The result is a refreshing beverage with lower residual sugar and a complex flavour—entirely different from ordinary sweetened sodas.
According to KULT Kefir, “water kefir is more than just lemonade”: it’s a traditional fermented drink made from fresh fruit and natural botanicals. The brand uses only real ingredients (with no artificial flavours or extracts), favours fresh, cold-pressed juices and ferments the kefir for almost two days to achieve an authentic flavour profile—a natural alternative to conventional sodas.
Fair production and wholesome lemonades
Production and ingredients
KULT lemonades are made in Belgium through artisanal production and in small batches—literally in a microbrewery in Brabant, enabling careful quality control and consistent flavour.
The brand adheres to an organic standard under the supervision of BE-BIO-01 (CERTISYS), the official Belgian organic certification recognised across the EU.
Thanks to its local, small-scale approach, KULT is an honest, authentic drink with a focus on ingredient origin and fair processing.
Flavouring relies on real ingredients—no artificial flavours or extracts. Kult works with a variety of herbs, prioritises fresh, cold-pressed juices and allows the kefir to ferment for almost two days to achieve an authentic flavour profile.
In practice this means recipes like ginger & lemon with a share of ginger and lemon juice, as well as no-sugar variants where a longer fermentation consumes all the sugar—with no sweeteners and no shortcuts.
Is the packaging eco-friendly?
Yes. KULT chooses aluminium cans as a deliberately eco-friendly pack: aluminium can be recycled repeatedly without loss of quality, it’s lightweight and stackable (lower transport emissions) and it also protects the drink better from light and oxygen; the interior has a BPA-free liner.
The brand also asks for proper sorting: cans go into the “blue” bin (metals) and—where glass is used—bottles go into the glass container without the cap. KULT explicitly notes that cans are better for the planet than single-use glass.
Kult Kefir brings you pure taste, gentle refreshment, and naturally occurring postbiotics from authentic fermentation — with no artificial flavours and less sugar than ordinary lemonades.
See for yourself.
Who Kult Kefir products are for
People with celiac disease
People with diabetes
Families with children
Vegans
Kult Kefir brand commitments
Quality
Sustainability
Nutritional value
Innovation
Tradition
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TR-CSO125 CZ-BIO-001
