JUST Egg does not contain any animal products. I have read that to get FDA approval, there was a requirement that it be tested on animals. The ingredients that go into it were already determined to be safe and so it was just a formality. I appreciate that JUST has given us a product that closely resembles eggs - but without eggs. Let your conscience be your guide on this one. But truth be told, a lot of vegan products probably contain ingredients that at one point have been tested. You can learn more in this article by Thrillist.