Viokase-V powder is prescribed to supplement your pet with the enzymes that are needed if they struggle with exocrine pancreatic insufficiency, a condition where your pet's body is unable to produce enough pancreatic enzymes to digest food properly. It may also be prescribed to treat acute and chronic pancreatitis.We directly source prescription medications from manufacturers and wholesale distributors registered with the FDA and licensed by applicable state boards. Guaranteed genuine, and where applicable, backed by the manufacturer.