This post was made on Wed on FB but I just realized it did NOT get put on here!! I posted on Facebook that I had ordered some Frontline Plus from petcaresupplies.com and gotten a good price. Came today and I put some on my little Sheltie, Max, who has had Frontline Plus applied every month for the 3 years we've had him. Within 5 minutes, he was having a reaction and we were off to the vet just a few minutes later. He got a shot of Benedryl to counteract whatever this had in it that the normal Frontline doesn't have. It says on the front of the package in VERY tiny letters........Africa. And it was shipped from outside the US but WHERE was not anywhere on the box. So be aware of where you're buying from online! I thought I had bought from this company before but obviously I was wrong. I think we'll just be paying more and buying locally so I know what poor little Max will have on his back!