GO Manuka Honey UMF 16+ contains Manuka Honey sourced from New Zealand. This honey is independently tested for UMF and MGO levels by accredited laboratories in New Zealand., UMF (UNIQUE MANUKA FACTOR) is a quality trademark used to ensure Manuka Honey purity and quality. UMF Licence holders must meet standards, which include testing, monitoring and auditing of the quality of honey. The UMF grading system appraises natural markers found in Manuka Honey and assures purity and quality., THE MEASURE UMF 5+ THROUGH TO UMF 23+ relates to the anti-bacterial activity of the honey. The higher the UMF number, the more potent the Manuka Honey., MGO (METHYLGLYOXAL) MGO (Methylglyoxal) is an important chemical marker and an antibacterial component which has a direct correlation to UMF levels as shown on the official UMF website. As with UMF the higher the MGO number, the more potent the Manuka Honey., SUGGESTED DOSE, Manuka Honey can be consumed by Adults and Children over the age of 1 year old., SAFETY INFORMATION, Cautions: Not suitable for infants under 12 months old.