The tonic, also called tonic water is a carbonated soft drink flavored with quinine. Known for its nerve and digestive properties conferred by the bark of the cinchona tree. Its origin dates back to the days of the British colonies, soldiers added quinine to water to help combat malaria and prophylaxis i suffering. As the tonic water was very bitter taste, it began to combine with gin, leading to today's most famous cocktail, the gin and tonic. On our website we have a wide selection of the best tonic whether to take alone or to combine with our best gins.