Multifloral Manuka Honey 35+ MGO. Pure New Zealand honey. Manuka Doctor - the specialist in high quality New Zealand Manuka Honey. With levels certified by an independent validated laboratory, you can be assured of the rating in every batch of Manuka Doctor honey. The bio active rating is a reflection of naturally occurring peroxide activity levels. This product is guaranteed to contain at least 35+ MGO = 35mg/kg methylglyoxal. Manuka Doctor is trusted from Hive to Home. Tested-Certified-Guaranteed. www.manukadoctor.com. Product of New Zealand.