This certificate (Sample ID 3201124) from Hill Labs, New Zealand, confirms that New Zealand Honey Co. Limited’s manuka carries a UMF grade of 20.7, MGO (methylglyoxal) of 876 mg/kg and leptosperin of 590 mg/kg. UMF is an independent grading that combines several markers of authenticity and strength, so a UMF of 20.7 places this jar in the high-strength category. MGO is the compound most commonly used to indicate the honey’s lab-measured non-peroxide antibacterial activity; at 876 mg/kg this is a high MGO level. DHA, the natural precursor that converts into MGO as manuka ages, isn’t reported here but is the chemical process behind MGO development. Leptosperin (590 mg/kg) is a botanical marker used to confirm genuine manuka origin. Because this honey sits well above the 500 MGO threshold, many customers choose it for uses that call for higher-strength manuka—such as concentrated skin and beauty applications or stronger everyday wellness support—while lower-MGO manuka is often preferred for food, baking and lighter skincare. Hill Labs’ independent testing gives added confidence in the product from the Licensee.

In short: UMF 20.7, MGO 876 mg/kg, leptosperin 590 mg/kg (Hill Labs, New Zealand) — a high-strength, authentic manuka from New Zealand Honey Co. Limited, ideal for shoppers seeking a potent option.