The essential differentiator in tonic water is quinine, which is sourced from the bark of the Cinchona tree native to the ...

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 ...

because tonic water does contain quinine which is a very powerful drug. "We really only use it to treat malaria in most cases because it can be quite toxic stuff." He added: "When I looked this up ...

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 ...