If you love the taste of our honey, and want to just know that it is good for you, you can stop reading now. If on the other hand, you are interested in the details behind the antibacterial property of manuka honey, and how it is measured and rated, read on. There is a more complete write up on the difference between MGO or Methylglyoxal and NPA or Non-Peroxide Activity. NPA is also the same scale as used and labeled as UMF or unique manuka factor. Please see this link for more detail on those scales.
If you are shopping for manuka honey, and are trying to compare apples to apples in terms of activity levels, you can use this chart to tell you most of what you need to know. By the way, a 550 MGO, which is a popular level equates to a 15.6 NPA. Most producers price their product based upon these levels, a quick search for manuka on Amazon will turn out a number of products priced by their MGO or NPA/UMF ratings. Our approach is different. We don't buy honey from other producers and blend it to hit a certain activity level. Instead, we produce all of our own honey ourselves, and hand select the best tasting & most active batches from each season's harvest to pack under our label. We let our honey "grow" in the drum for at least a year before packing it, so the honey that we extracted in March of 2013 will be ready for sale around summer of 2014. We are currently packing honey from batch 60 that will be to Atlanta and ready for sale in November. This honey will be mostly 12+ and some 11+. I expect our 2013 harvest will be in the 13-14 range when we get ready to pack it. We could follow the market and charge more for our more active honey, but we don't intend to do so. We'll hand select the very best of what we produce and make it available direct to you.