Mgo manuka honey is the only food which has been proven so far to have a significant dietary methylglyoxal content as tested based on standards developed by the university of dresden this honey contains a concentrated amount of dietary methylglyoxal ranging from 20mgkg to over 800mgkg while other honeys have a dietary methylglyoxal content of between 0 10mgkg the higher the mgo manuka honey rating the higher the level of anti bacterial activity in the honey and the better the honey can