Holistic Select senior formula is designed to meet the unique nutrition needs of your older dog. Grain-free, with the right amount of protein, fat, and fiber to support a slowing metabolism plus prebiotics & probiotics, live yogurt cultures, digestive enzymes, and natural fiber these recipes enhance digestion and total body health. Holistic Select Grain Free Senior Health Chicken Meal & Lentils Recipe Dog Food is formulated to meet the nutritional levels established by the Association of American Feed Control Officials (AAFCO) Dog Food Nutrient Profiles for maintenance.