From the manufacturer

It all started with research.  Founder Peter Butler was a history researcher with a strong interest in New Zealand medicinal plants.  Peter was researching the history of traditional use of herbs when he came across one herb that stood out; Horopito.  Horopito has a long history of medicinal use by New Zealand’s indigenous Maori population.  The leaves were bruised, steeped in water and used for various ailments, including toothache, ringworm, stomach aches, diarrhoea, headache, chest ailments....