C & E Cat Pro-BioZyme â ¢ Feed at first sign of retinal degeneration. â ¢ Maintains Healthy Skin and Coat â ¢ Minimizes litter box odor â ¢ Feed to kittens or queens during gestation and nursing. â ¢ Maintains healthy digestion and nutrient absorption. â ¢ Feed at first sign of looseness of stool. C & E Cat Pro-BioZyme with Taurine Cat Pro Bio-Zyme is a dietary supplement with all natural Microencapsulated bacteria, enzymes, yucca and dried egg yolk. With Cat Pro-BioZyme, your cat will maintain healthy skin and coat as well as a healthy digestion and nutrient absorption. Safe to feed to kittens or queens during gestation and nursing, Cat Pro-BioZyme will also minimize litter box odors. Signs to Watch For Feed your cat Pro-BioZyme at first signs of retinal degeneration, heart muscle problems, or signs of looseness of stool.