Nutritionally fortified food. Kaytee Forti-Diet - fresh fortified food for the health and appearance of your pet. Kaytee Forti-Diet Rabbit Food is a nutrient complete, fiber-rich, pelleted diet specially formulated to aid the rabbit's normal digestive process. Forti-Diet was developed by the nutritional experts at Kaytee to supply all the nutrients pets need. Only the freshest ingredients go into Forti-Diet. We help to preserve that freshness with our barrier package and resealable zipper. Developed by Kaytee's nutritional experts. Promotes a soft, healthy coat. Fiber rich pelleted diet. Forti-Diet: An excellent source of fortified nutrients that your pet needs.