Extensively researched, manuka honey is recognised worldwide for its special active properties. Australia produces some of the most active and best tasting manuka honey in the world due to our warmer climate and number of Leptospermum varieties. With over 140 year of expertise in honey, Barnes Naturals uses only the finest, authentic Australian manuka honey, independently tested to guarantee its methylglyoxal (MGO) content. MGO is the key natural active compound responsible for the unique properties of manuka honey, with higher MGO values reflecting increased activity levels.