Puriti Manuka Honey is produced and tested to higher more stringent quality and purity standards. This genuine Premium Manuka Honey is monofloral and independently certified to both UMF 20+ and MGO 850+. These measurements exceed the Ministry of Primary Industry (MPI) Manuka Honey Science definition. Puriti certified UMF Manuka Honey is available in grades from 10+ UMF through to 31+ UMF. The higher grades signify higher concentrations of the unique Manuka Honey compounds and potency for greater nutritional and health benefits.