Probiotics and Enzymes together make a digestive machine for your pet. Total-Digestion Twin Pack includes Total-Zymes now with 16 Digestive Enzyme Formula a high performance broad-spectrum digestive enzyme formula also including systemic enzymes. Total-Zymes is the most complete pet digestive enzyme product in the world, utilizing 16 high performance vegetarian enzymes and the L.E.A.D.S. Live Enzyme Activated Delivery System. L.E.A.D.S. insures complete digestion and assimilation of all your pets food at a cellular level. Total-Biotics, New better than ever. More strains and More CFU's. Now with double the probiotics. Total-Biotics is specially formulated with an astounding 14 species of stabilized live probiotics; Now an average serving has. 2 Billion CFU's If you do not refrigerate Total-Biotics it will still maintain the one billion CFUs guaranteed per scoop at expiration. (Average serving is two scoops for two cups of food for an average pet) With this great combo pack your pet will reach his optimal health potential. The Total-Digestion Twin Pack will help combat digestive problems, while enhancing a beneficial bacterial balance. Each jar will treat 365 cups of pet food. For all pets, dogs, cats even horses. (To insure that you receive a quality product make sure your purchasing with an authorized dealer of NWC Naturals Pet Products)