Berringa, Australian Manuka Honey MGO 400, 500 GramsProduct Description Australian manuka honey mgo 400 is a premium, raw honey harvested from the nectar of the manuka tree, which grows primarily in australia. With an mgo rating of 400, this honey contains a higher concentration of methylglyoxal, making it more potent than lower mgo varieties. Mgo is the active compound responsible for the honeys unique antimicrobial, antibacterial, and healing properties. Product Benefits Supports The Immune System.