IMHO you should never add Prozyme unless there is a pancreas issue. Those are digestive enzymes which doesn't sound like your dog needs.
Check out this forum in the health section about Probioitics.
http://www.germanshepherds.com/forum/ubbthreads.php?ubb=showflat&Number=530141
Check out this forum in the health section about Probioitics.
http://www.germanshepherds.com/forum/ubbthreads.php?ubb=showflat&Number=530141