Lifetime Dog Food Heritage All Life Stages MaintenanceLifetime Heritage Dog ALS Maintenance provides a three meat protein diet using Canadian pork, chicken and turkey for a naturally preserved, concentrated, highly digestible protein and fat source. This product of Canada provides all the nutrients required for your dog from puppy to adult, using quality ingredients with no soy, by products or artificial preservatives. Flaxseed, herring oil, chelated minerals (copper, iron and zinc) support healthy skin