Comvita UMF 18+ Manuka Honey is produced in New Zealand & contains unique plant phenols. Comvita® UMF 18+ Active Manuka Honey is guaranteed to be at least UMF 18+ & has been verified by an independent testing laboratory. New Zealand Manuka has long been valued for its health-maintaining effects & active Manuka Honey is gaining worldwide recognition for its unique properties. Honey may be used to support normal digestive health. Comvita is the world’s largest manufacturer of premium quality UMF Active Manuka Honey.