Manuka Honey comes from the nectar of the flower of the Manuka bush (Leptospermum scoparium) which is indegenous to New Zealand. It is the nactar and the bee that give this honey its unique properties. The number represents the unique signature compounds characteristic of this honey which ensure purity and quality. These include: the key markers of Leptosperin, DHA and Methylglyoxal (MGO).