Probiotics are the most basic essential nutrient needed by all living beings. Daisy’s Optimum Health has 3 products with carefully selected ingredients to properly address specific needs of each cat or dog. DAISY’S MEGA 8 PROBIOTIC FLORA AND DIGESTIVE ENZYMES is our number 1 seller. DAISY’S 3 WAY PROBIOTIC PLUS ZINC is our most basic probiotic flora. DAISY’S MAGICAL OMEGAS SKIN AND COAT VITALITY is a carefully selected blend of 2 probiotics plus a concentrated blend of essential omega. All three of these products are excellent choices for enhancing the growth of beneficial bacteria in both cats and dogs.