The container and the tablets are still intact. The tablets look same color and make same color and ordor and taste when used. Don't have anything more sophisticated to test this with. I am assured by an organic chemist that the polypro pen barrel and caps would be immune to the iodine and vise-versa.<br><br>Don't be thrown by the change in username it was a result in a glitch in the forum software that disabled my former username.