Unique Manuka Factor (UMF®) is an industry standard in genuine Manuka honey. The UMF® grading system appraises natural markers found in Manuka honey, and assures purity and quality. See www.umf.org.nz.
Each batch of UMF Manuka Honey is tested at an independent laboratory approved by UMF Honey Association. Superbee UMF® Manuka honey has a rating of 15+.