: Only honey that passes the Unique Manuka Factor Honey Association (UMFHA) tests can carry the UMF™ trademark. Look for the UMF logo and a license number on the jar, which you can verify directly on the UMFHA website .
: A precursor to MGO that indicates potential shelf life. where to buy umf manuka honey
: A compound found only in Manuka flower nectar to prove authenticity. : Only honey that passes the Unique Manuka