Bests & Worsts Reviews from Amazon

I was dating a crusty dude, and I think he had fleas and gave them to my cat. I dumped the dude and got advantage II for my real baby (my cat). This killed the fleas and not my cat, like other brands almost have. So I'm happy with it and kitty is, too. I didn't share any with the guy (my ex) so I don't know if it works on humans or not.