Yumpro BioActiv is a unique complex of prebiotics and probiotic bacteria to actively support the natural balance of your dog"s digestive system. Probiotic Enterococcus faecium E1707 helps to bolster your dog"s natural population of health-protecting gut bacteria. High purity prebiotics MOS, scFOS and Beta-Glucans help to block bad bacteria and feed the good bacteria in your dog"s digestive system. Daily Recommendations: Yumpro BioActiv comes in a tasty tablet so you can give it to your dog either with their meal or on its own. Small Breeds (up to 10kg) 1 Tablet Medium Breeds (11-25kg) 2 Tablets Large Breeds (26-40kg) 3 Tablets Very Large Breeds (over 40kg) 4 Tablets