The essential differentiator in tonic water is quinine, which is sourced from the bark of the Cinchona tree native to the Andes. Where club soda has a relatively neutral character, tonic water is ...

Quinine adds the distinct bitterness that we associate with tonic water, and without a significant amount of sweetener many would find tonic water to be almost undrinkable. With some sugar ...

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 ...

According to legend, the man unwittingly ingested quinine while suffering a malarial ... bitter-tasting pool of water. Nearby stood one or more varieties of cinchona, which grows from Colombia ...