We do. When kibble is made many of the natural vitamins and minerals are lost in the process. Us lucky humans basically regulate our food - we’ll have a burger at lunch and then a salad at dinner in order to stay healthy and balanced. Given that this is likely the only food your dog eats we have to make absolutely sure all the essentials are provided. This is why some people prefer raw foods for their dog, though it is usually much more expensive and requires some prep. Let us know if you want suggestions for raw food companies.