Hey Dave, I thought you would be the one responding after reading all your great posts on coccidia. Also, you are correct, its hard to get in the states and I had to sign a waiver at the vet for it. He assured me that it's safe and he seems to think its the best thing on the market for coccidia. He has me dosing him 9 "units" for three days, then two weeks off, then three days again. To put dosage to perspective, he weighs 85g.