Nature's Variety Instinct Chicken Real Meat. Lean poultry. Wholesome fruits and vegetables. This is your dog's instinctive diet. Nature's Variety Instinct diets are made with real meat or single-source animal protein meals. These high quality animal proteins provide the nutrition your dog needs to be strong and energetic. Instinct diets are grain-free and gluten-free. With Instinct, your dog can enjoy a hearty and nutritious diet – free of grains or fillers. Such superior nutrition supports healthy skin, a glossy coat, appropriate weight control, and the energy your dog needs to enjoy life every day.