Comvita pure manuka honey lozenges provide the soothing qualities of 100 pure umf 10 manuka honey new zealand manuka is gaining worldwide recognition for its unique properties only some manuka honey has the special umf unique manuka factor activity this lozenge is guaranteed to be at least umf 10 and has been verified by an independent testing laboratory umf stands for unique manuka factor an independent licensed certification of the unique antibacterial potency of manuka honey