Needless to say you can provide all your cats the ACV - just dilute it so they are willing to drink it - that or dip their paws in it and have them lick it off that way. What form of iron and d3 did u give? A pill? http://cbd-doobies69.onesmablog.com/The-Ultimate-Guide-To-medterra-cbd-isolate-i-gram-32659294