The Fever-Tree tree reminds us that it produces quinine, the basic ingredient of gin and tonic, which is also charged with ghting substances against fever. Beyond its medicinal properties, it is the quality of this exceptional quinine combined with the freshness of aromas and 8 natural rare plants such as marigold extract and bitter orange from Tanzania which make such a magic drink. From classic to Ginger Beer Tonic Water, through the Mediterranean Tonic, this collection is also virgin of any dye or preservative.