Used in traditional medicine, Manuka honey is more effective than other types of honey, and the product has unique properties due in part to its non-peroxide action due to its high content of methylglyoxal, a specific constituent of manuka honey. This is supported by numerous scientific publications. The high efficacy is guaranteed by the IAA rating. The higher it is, the more effective the honey! Not every variety of Manuka honey is effective. Alvityl systematically tests its active Manuka honeys to ensure their efficacy.