Instinct Raw Boost Mixers Multivitamin for Adult Cats Food Topper, 5.5oz. Instinct Raw Boost Freeze-Dried Mixers Multivitamin for Cats provides brain function support with fish oil & choline, and healthy heart support with the addition of taurine. A variety of fibers offers digestive support and pumpkin seeds offer metabolic support. Muscle support is provided from raw protein, and bone & joint function through calcium and phosphorus. Choline, B vitamins, and trace minerals support liver function and fish oil supports kidneys.​ Brain function support with fish oil and choline  Healthy heart support with the addition of taurine  Digestive support through a variety of fibers and metabolic support from pumpkinseeds Muscle support from raw protein and bone & joint function through calcium and phosphorus  Liver support through choline, B vitamins, and trace minerals and kidney support from fish oil  Available Size: 5.5 oz