观看免费视频 How to Make Milk Kefir

Fast & Easy Recipe. Kefir grains are a living organic culture made up of proteins, sugars and fats which contain living colonies of various yeasts and bacteria existing in a symbiotic relationship. These microorganisms ferment the lactose in the milk over the course of about a day and the result is a sour, effervescent drink beneficial for its probiotic qualities and gut health.