Available In: 4 lb., 10 lb., 23.5lb. Health Extension’s Grain Free Buffalo, Whitefish and Chickpea, offers all the health benefits of the Holistic Health Extension System but in a grain-free formula. And you won’t find any added hormones – just high quality, deboned buffalo as our FIRST ingredient – because we believe sensible protein levels are the first step to a healthy life. With such a pure formula, Grain Free Buffalo, Whitefish and Chickpea is especially beneficial for dogs with allergies to poultry or sensitive digestive tracts. Unlike other brands, our grain-free variety contains a unique blend of nutrients and supplements, like apple cider vinegar and colostrum which may help boost immune systems for improved health.