Our Succulent Recipes are grain free, meaning they are naturally gluten free and contain no grains or bulkers. Some of the recipes in this pack are made with liver: nature's multivitamins, with a taste dogs love. It is rich in iron and B vitamins that help put a spring in a dog's step. Plus beneficial oils rich in the Omega-3 & 6 fatty acids which boost anti-inflammatory properties supporting a dog's immune. system, heart, brain function, skin and coat. 4 x with Chicken & Liver | 4 x with Beef & Liver | 4 x with Lamb & Kidney.