ProLiv for Large Dogs is a chewable dog supplement formulated to support liver function. Each oral tablet provides S-adenosylmethionine (SAMe), silybin, and phosphatidylcholine. The original-flavor tablets come in a convenient 30-count bag for large-breed canine liver support. Approved for cats and dogs, this hepatic health supplement is available without a prescription in Canada. A solid choice for pet parents comparing dog supplements and dog vitamins for liver support.