Denamarin chewable tablets containing SAMe (s-adenosylmethionine) and silybin can be used in dogs of all sizes to help support healthy liver functions. In addition research has shown the administration of Denamarin chewable tablets to be safe for dogs. Denamarin Liver Health Supplements are brought to you by Nutramax Laboratories Veterinary Sciences the #1 veterinarian recommended supplement company. *Source: Survey conducted among small animal veterinarians who recommended animal supplements.