Denamarin Tablets offer high level support for the liver of cats and dogs. Denamarin provides multi-faceted support for the liver due to its synergistic combination of S-adenosylmethionine (SAMe) and silybin.Denamarin Contains A stabilised form of the S,S-SAMe isomer, the predominant form synthesised in cells and the isomer which is biologically active Silybin complexed with phosphatidylcholine, which has been shown to be more bioavailable than silymarin alone.Denamarin is available in three sizes: 90mg For cats and small dogs up to 5kg 225mg For medium dogs 5-15kg 425mg For large dogs over 15kg.