UMF and MGO measure the strength of Manuka honey. Higher UMF ratings correspond to higher MGO levels and greater antibacterial activity. UMF and MGO both measure the strength of Manuka honey.
MGO measures the concentration of methylglyoxal, while UMF is a broader grading system that also tests authenticity markers like leptosperin and DHA. Higher UMF ratings correspond to higher MGO levels.
What Is UMF™?
UMF™ (Unique Manuka Factor) is an independent quality grading system that measures the concentration of signature Manuka compounds.
Higher UMF ratings indicate higher potency.
What Is MGO?
MGO (Methylglyoxal) is the naturally occurring compound in Manuka honey responsible for its antibacterial properties.
UMF and MGO are directly related — higher UMF means higher MGO levels.
UMF™ Comparison Table
This guide explains the differences between UMF and MGO ratings and helps you choose the best Manuka honey strength.