250ml Glass Bottle of UK made Organic Milk Kefir. Ingredients: Organic Pasteurized Jersey cows’ milk. Live kefir cultures. Kefir is a nutrient rich, fermented drink made from milk and live cultures. It has a wealth of health benefits, specifically its ability to boost your beneficial gut bacteria. Kefir is also known for supporting metabolism, providing a great source of protein and high levels of calcium. Made in Devon by family company Biokef, certified organic.