What Is Kefir? A Living Fermented Drink from Nature
Kefir is a fermented drink created by fermenting a liquid—such as sugar water or milk—with tibicos grains. These grains are not seeds, as some mistakenly believe, but a gel-like matrix housing a systematic community of microorganisms. Within each tibicos grain, lactic acid bacteria, yeasts, and other microbes coexist in balanced symbiosis. The fermentation process begins when the grains are introduced to a sugar-containing liquid. The microorganisms convert sugar into lactic acid, carbon dioxide, and other metabolites, yielding a mildly tangy, slightly effervescent beverage with a distinctive aroma.
The result is a drink with a low acidity of pH 4.32—an environment that supports beneficial microbes while inhibiting unwanted growth. Kefir in its natural form is not merely a beverage; it is a living consortium of microorganisms that can directly support gut microbiota balance.
Each bottle contains 280 ml, designed for convenient single-serve consumption without repeated opening. One bottle is enough for a day’s intake, or it can be split into two portions if you prefer to moderate your quantity.
The Diversity of Microorganisms in Kefir
Kefir made from heritage tibicos grains contains a total of 36 microbial strains, making it one of the most diverse probiotic sources among fermented drinks. Found strains include Lactobacillus acidophilus, Lactobacillus casei, Bifidobacterium bifidum, Streptococcus thermophilus, Saccharomyces cerevisiae, and Kefiranofaciens—a strain unique to kefir that contributes to the natural filamentous structure of the grains.
This diversity does more than enhance microbiota-balancing efficacy; it influences how gut microbes interact, potentially strengthening the intestinal barrier and improving nutrient absorption. Each strain has a distinct role—lactic acid bacteria break down sugars and lower gut acidity, while yeasts digest carbohydrates and produce B vitamins.
Having 36 strains sets kefir apart from typical probiotic products that contain only 1–5 strains. This richness is the core of its true nutritional value.
Measurable Nutritional Values
Kefir produced in Thailand by Rokabo contains up to ~12 billion CFU/ml of probiotics, as measured in laboratory tests. This figure is the only permitted value; do not convert or multiply (e.g., by 280 ml) to obtain a per-bottle total, as that is not a standard used in research or marketing.
Its pH of 4.32 is optimal for maintaining beneficial microbe stability during storage, while also aiding calcium and iron absorption. Each bottle contains just 2.1 grams of sugar—low compared to typical beverages—thanks to the efficient 24-hour double fermentation process, which allows microbes to consume most of the sugar.
The double fermentation creates a deeper, well-rounded flavor without excessive sweetness, while boosting antioxidants and short-chain fatty acids (SCFAs) important for gut health.
The Culture of Drinking Kefir in Daily Life
Drinking kefir is not just a health act; it is a ritual of ongoing self-care. With its mildly tangy, naturally aromatic profile, kefir suits morning consumption to stimulate digestion, or an evening serving to support regular gut function.
Rokabo offers a range of flavors: Original (pure and natural), Sakura (delicate cherry blossom), Yuzu (refreshing citrus), Matcha (calming green tea), and Thai Herb (a blend of turmeric, lemongrass, and kaffir lime leaves). All are made with 100% natural ingredients—no added sugar or preservatives.
Priced at ฿320–฿380 per bottle, with a subscription service offering 15% off and weekly delivery, integrating kefir into your routine becomes accessible and sustainable.