A young entrepreneur from Great Barrier Island is tasting success from his own bitter medicine Words: Emma Rawson When Tama Toki was growing up on Great Barrier Island, his kuia (grandmother) forced him to swallow a cup of ghastly kūmarahau tonic every morning. He loathed the sour taste of the native flower, which is a … Continue reading Great Barrier Island herbal tonic business, Aotea, in growth mode