Premium New Zealand MGO 100+ Manuka Honey. Certified for natural methylglyoxal content (minimum 100mg/kg) – scientifically proven to be a key natural compound in Manuka honey MGO 100+ Manuka Honey has a delicious rich flavour and a smooth velvety texture. Manuka Health is the No.1 selling Manuka selling brand of New Zealand honey in 25 countries!