Tonic water is defined by quinine. You simply cannot have one without the other. Historically, the Quechua, an indigenous people of Peru and Bolivia, used ground cinchona bark in tea to cure fevers.

Tonic water, with or without the gin, tastes a little bitter, and the reason for this is its naturally-occurring quinine. Originally used as a malaria cure beginning centuries ago, it is the very ...

Drinking tonic water, which contains quinine, is unlikely to trigger the worrisome adverse effects that may occur when you take Qualaquin pills. Even if you choose a tonic water high in quinine ...