Our kefir is fermented under carefully controlled conditions and lab-tested to ensure a consistent and potent probiotic. About half of the pet population is thought to be lactose intolerant – even if they can take milk, long-term consumption of lactose may cause Irritable Bowel Syndrome (IBS) and destroy gut health. Hence, we ensure that minimal lactose content is within our kefir product so that your pet can enjoy the delicious flavor and benefits without risking their health.