Nutramax Proviable Health Dogs and Cats Capsules 30ct Proviable contains a source of live (viable) naturally occurring microorganisms. Proviable contains multiple species and billions of beneficial microorganisms per daily administration. The Proviable-KP paste contains ingredients to help firm stool. The Proviable-DC capsules continue to reestablish healthy intestinal balance. Added prebiotics found in both formulations encourage growth of the Proviable beneficial microorganisms within the intestinal tract.