PROIN® Chewable Tablets contain the active ingredient phenylpropanolomine (PPA) .
PROIN is a trademark of Pegasus Laboratories, Inc. and is used under license.
Note: Virbac Canada's products are available from veterinary clinics. To find out what your pet needs, ask your veterinarian. Detailed technical information for veterinarians is available from a Virbac Territory Sales Manager.