Halo uses real WHOLE meat, poultry, or fish and NO meat meal of ANY kind in our natural cat food. We also choose sustainable wild-caught MSC certified fish, with non-GMO fruits and vegetables.. Our food is made with premium protein to support muscle development, fats for energy, and essential vitamins, minerals, and antioxidants for a healthy immune system. At Halo, WHOLE Makes a Whole Lot of Difference is the philosophy that drives our holistic approach to responsibly sourced cat food.