Nephrodyl Synbiotic Capsules promote optimal kidney health and function in cats and dogs of all ages. This proprietary detoxifying blend of probiotics and prebiotics work together to support your pet's kidney function. Nephrodyl Capsules contain 4 beneficial probiotic strains to help stabilize “good” gut flora and 2 prebiotic strains to promote the growth of beneficial bacteria in the digestive tract. Nephrodyl Capsules are easy to give and don't require refrigeration until after opening, making storage simple. Depending on your pet's body weight, 1-2 small capsules are administered daily.