Zentonil is a nutritional supplement of S-Adenosylmethionine and is indicated for dogs and cats with liver problems.

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Federal law restricts this product to be used by or on the order of a licensed veterinarian.

The active ingredient in ZENTONIL, S-Adenosylmethionine, is used by the liver in many biochemical pathways. It helps in strengthening cell membranes, improving liver cell function, detoxifying destructive metabolic by-products and providing the building blocks for antioxidants used by the liver.