Kefir Set - The benefits of kefir. Contains probiotics. Helps to restore the natural balance of bacteria in the gut. May be suitable for people with lactose intolerance. The lactic acid in kefir breaks down the lactose in milk. Full of nutrients. Contains vitamins A, D, K, B vitamins and calcium. Set specially developed for easy preparation and serving of kefir. Includes 500 ml wide-mouth jar, silicone lid, stainless steel lid and measuring/mixing spoon. Measuring indicators on the side of the jar. Two sieve widths for thinner or thicker mixtures.