I received Frontline Plus in the mail from PetCareChoice.com. I was surprised to see what appears to be a prescription label on the package that was written in Chinese. After doing some research, the U.S. Environmental Protection Agency has a few websites as to how to tell if you have legitimate Frontline Plus or a foreign/unregistered product. These products are unlawfully imported from other countries and who knows what you are getting. There have been multiple people on the internet complaining that these products have made their pets sick... read full review »