Comes with a palatable protein base.IngredientsActive ingredient: DL-Methionine.Side EffectsToxicology: Safe when given according to veterinarian's prescription and directions.Side Effects: In rare cases, animals may experience gastrointestinal disturbances such as vomiting, diarrhea or loss of appetite.WarningsWarnings:Do not administer to animals with severe liver, kidney or pancreatic disease,