dogfoodadvisor.com is an unbiased group that does analyze the foods and breaks down the actual ingredients to show what it contains and what if any good it does for the dog. pretty much all the folks O know at the dog shows use it as do the breeders. We have bred and shown Dachshunds and German Shepherd Dogs gor over 35 years. And quality dog food is the key to a dogs health. Not saing a dog will not get cancer etc as thats in the dogs genes, but good proper food can add more years to a dog and better health. We hav had GSDs live to be 15 and 16 years of age and doxies in there 20s. Average life for a GSD is about 14 and doxies 16 to 20.