Canine Caviar's Wild Ocean Grain Free Limited Ingredient Alkaline Holistic Dog Food for All Life Stages is a complete all natural grain free diet with high quality protein. Canine Caviar's Wild Ocean Grain Free Limited Ingredient Alkaline Holistic Dog Food offers a protein source that is high in long-chain omega 3 fatty acids, EPA, DNA and a good source of vitamin D. Herring is beneficial to heart health and strengthens the immune system