A: UMF is the abbreviation for ‘Unique Manuka Factor’ and is the standard of measure established by the Unique Manuka Factor Honey Association (UMFHA). A UMF grading system measures natural markers found in Manuka Honey and assures quality, purity and authenticity. This system is also compliant with the Ministry of Primary Industry’s labelling guidelines for Manuka Honey. Only Manuka Honey that is UMF graded and has been independently tested by UMFHA is given a UMF grade. Visit www.umf.org.nz for more information.