Our GSD loves the treats. They have never upset her stomach at all and she takes them down with no problems whatsoever.It's quite true that they smell like fish food, but I normally don't carry them around in my pocket on account of them being pretty brittle if you were to have them bounce around in a pocket or treat bag.The fact that they are loved by our dog and are a healthy snack makes it a win-win for us. I'd definitely purchase these in the future.