100 pure umf 10 manuka honey umf certified perfect to take on the go or travelling comvita pure manuka honey lonzenges provide the properties of 100 pure umf 10 manuka honey from new zealand new zealand manuka honey has long been valued for its contribution to a healthy diet only some manuka honey has the special umf unique manuka factor grade this lozenge is guaranteed to be at least umf 10 and has been verified by an independent testing laboratory