There are two components to the UMF grading system, which are stated on any UMF certified Manuka Honey product.
The label, which claims that it is Manuka.
The number, which represents three chemical markers that indicate the content of the Manuka Honey to ensure quality and purity. The chemical markers are DHA, MGO and Leptosperin. Visit: www.umf.org.nz/grading-system-explained for more information.