Fritz (Downers Grove, Illinois) on 06/16/2007
Replied By Kkenn (Detroit, Mi) on 01/27/2013
Replied By Phoenix (San Fran ) on 12/31/2016
Do some research please before spreading untrue recommendations. I have cured many conditions using apple cider vinegar, but you need to use care and use quality vinegar that has "the mother" (culture) in it.
Read the other posts about cures. Maybe you had something other than a canker sore? Proper diagnosis is important to proper application of cure.
Be well.