Kefir Properties, Benefits, and How to Choose the Best

Kefir is one of the oldest and healthiest fermented beverages in the world, appreciated for millennia for its extraordinary probiotic properties and unique flavor. In recent years, kefir has also conquered Italy, becoming a key player in the functional beverages and natural wellness revolution.

But what exactly is kefir? What are its health benefits? And how to choose a quality kefir? In this complete guide, you will discover everything you need to know — and where to buy the best artisanal kefirs with 24-48h shipping.

What is Kefir: origins and tradition

Kefir is a fermented beverage obtained from the fermentation of milk or water with kefir grains, a symbiotic colony of lactic acid bacteria and yeasts. The name comes from the Turkish word "keyif," meaning "feeling good" — a direct reference to the benefits this drink brings to the body.

Its origins are lost among the Caucasus mountains, where local populations considered it a gift from the gods. The grains were passed down from generation to generation as a precious treasure. Today kefir is widespread worldwide, appreciated both for its nutritional value and its fresh, slightly sparkling taste.

Milk Kefir vs Water Kefir: differences and characteristics

Milk Kefir

The more traditional version, made from the fermentation of milk with kefir grains. Creamy consistency, tangy and slightly sparkling taste, rich in proteins, calcium, and B vitamins. Contains reduced lactose — more digestible than regular milk. Probiotic profile with over 30 bacterial strains.

Water Kefir

Vegan and lactose-free version, made from the fermentation of sweetened water. A light, sparkling, and refreshing drink, ideal for vegans and lactose intolerant people. Rich in probiotics and digestive enzymes, lower in calories than milk kefir.

👉 Want to try both versions? Discover the Water Kefir Box 6 bottles →

Properties and health benefits of Kefir

Kefir is considered a superfood thanks to its extraordinary concentration of nutrients and probiotics:

• Powerful natural probiotic — up to 61 different strains of bacteria and yeasts, many more than traditional yogurt. Rebalances intestinal flora, improves digestion, strengthens the immune system
• Improves digestion and absorption — fermentation enzymes facilitate protein digestion, reduce lactose, and improve the absorption of vitamins and minerals
• Strengthen the immune system — probiotics stimulate the production of antibodies and immune cells
• Antibacterial properties — kefiran (unique polysaccharide) and lactic acid inhibit the growth of pathogenic bacteria like E. coli and Salmonella
• Bone health — bioavailable calcium, vitamin K2, and magnesium improve bone density and reduce osteoporosis risk
• Skin benefits — probiotics reduce acne and dermatitis, improve skin hydration
• Weight control — satiating effect of proteins, regulation of sugar metabolism, reduction of inflammation

Kefir vs Yogurt vs Kombucha: what is the difference?

Kefir contains 30-61 probiotic strains versus 2-7 in yogurt, has a liquid consistency instead of creamy, and ferments with yeasts + bacteria (yogurt only bacteria). Lactose is reduced up to 99% — superior to yogurt. Verdict: kefir is richer in probiotics and more digestible than yogurt.

Compared to kombucha: kefir is more nutritious and protein-rich, kombucha is more thirst-quenching and detoxifying. They are complementary.

👉 Also read: Kombucha: complete guide, benefits, and best brands

How to choose a quality Kefir

• Artisanal vs industrial — always prefer unpasteurized artisanal kefir: natural fermentation with live grains, active probiotics, more intense and complex flavor
• Simple ingredients — milk kefir: milk + grains. Water kefir: water + sugar + grains + optional fruit. No artificial flavors, preservatives, or thickeners
• Probiotic load — at least 1 billion CFU per serving, plus declared bacterial strains
• Storage — always refrigerated at 2-6°C, intact bottle, close expiration date (fresh kefir is better)

The best artisanal Kefirs to buy on Maltese

On Maltese you will find a curated selection of the best artisanal kefirs, with refrigerated shipping in 24-48h to ensure maximum freshness and probiotic integrity:

• Tibi Ginger and Lemon with kefir grains — water kefir flavored with ginger and lemon, sparkling and thirst-quenching. Perfect as a healthy alternative to soft drinks
• Tibi Grapefruit with kefir grains — fresh and citrusy, ideal for aperitif or as a refreshing snack
• Tibi Herbal Tonic with kefir grains — herbal and complex, for the most curious palates
• Albedo Water Kefir — delicate and refined, Italian artisanal production
• Rubedo Water Kefir — bolder character, with intense fruity notes
• Water Kefir Box 6 bottles — the ideal choice to start or for daily consumption. Guaranteed savings

Explore the full Kefir selection at Maltese — shop online with shipping in 24-48h →

How to enjoy Kefir: ideas and dosage

• Energy breakfast — kefir + muesli + fresh fruit + honey, or smoothie bowl with banana and berries
• Protein snack — 200ml post-workout or with nuts and seeds
• Refreshing drink — iced water kefir with mint and lemon
• Yogurt substitute — in any recipe, as a base for sauces and dressings
• Dosage: start with 100ml/day, increase to 200-300ml. Maximum 500ml

Homemade kefir: is it possible?

Yes, making kefir at home is simple and economical. You need kefir grains, fresh milk or sugar water, a glass jar, and a non-metal strainer. The process: add the grains to the liquid, cover with a cloth, let ferment 24-48h at room temperature, strain and store in the fridge. The grains multiply and you can share them.

More convenient alternative: buy ready-made artisanal kefir, produced by experts with strict quality controls. Order the Water Kefir Box →

Contraindications and precautions

Kefir is generally safe. Limit or avoid if you are immunocompromised, have severe lactose intolerance (for milk kefir), suffer from SIBO, or are pregnant/breastfeeding. Initial side effects (bloating, cramps) are temporary and disappear after a few days.

FAQ — Frequently asked questions about Kefir

Does kefir contain alcohol? Yes, traces (0.5-2%) naturally produced during fermentation. Generally safe.

Does kefir help with weight loss? It can support weight management thanks to probiotics and proteins, but it should be part of a balanced diet.

How much kefir to drink per day? 200-300ml for adults. Start with 100ml and increase gradually.

Can I drink it if I’m lactose intolerant? Milk kefir has up to 99% reduced lactose. Alternatively, choose water kefir, which is 100% lactose-free.

Is kefir suitable for vegans? Water kefir is completely plant-based and suitable for vegans and vegetarians.

How to store it? In the refrigerator at 2-6°C. Once opened, consume within 3-5 days.

Conclusion: Kefir, a daily ally for wellness

Kefir is much more than just a fermented drink: it’s a concentrate of health, tradition, and flavor. Rich in probiotics, vitamins, and minerals, it supports digestion, strengthens the immune system, and contributes to overall well-being.

Ready to discover the power of kefir? Shop online at Maltese — shipping in 24-48h →