Hilltop Honey Hilltop Manuka Honey MGO200+ is pure and natural, authentic, Manuka Honey. Carefully sourced from the best New Zealand beekeepers and tested, twice, to certify its authenticity. Hilltop Honey Manuka Honey is measured using the MGO rating. MGO stands for methylglyoxal; this is the naturally occurring compound that gives Manuka Honey it\'s special properties. Simply put, the higher the MGO rating on the front of the jar, the greater the anti-bacterial strength present within the honey. Available in a 225g jar. KLBD Approved. Honey may naturally crystallise.