MARNYS® Propolis, Menthol and Eucalyptus Candies clear your voice and refresh your throat. And they don't contain sugar. MARNYS® Sugar-free Propolis, Menthol and Eucalyptus Candies combine the phenolic activity of propolis and the freshness of menthol and eucalyptus. *Propolis is a resin made by bees and used in the construction, repair, insulation and protection of the hive. *Menthol imparts the refreshing taste and smell of mint. It is a monoterpene found as a major component in the essential oils of Mentha canadensis and M. piperita. *Eucalyptus is native to Australia, it is an evergreen tree over 40 meters tall. Its leaves contain phenolic acids and flavonoids, and its essential oils contain eucalyptol and d-limonene. It is traditionally used to refresh the respiratory tract.