Nice try, sport, but no dice. Tonic water contains less than 20 milligrams of quinine per six fluid ounces. The recommended quinine dosage for treatment of malaria is two or three 200-350 milligram tablets three times a day. If you drink the equivalent of that in gin and tonics, malaria will be the least of your problems.
Tonic water was never intended as a cure or preventive for malaria, but malaria is the reason the quinine is in there. Quinine has a bitter taste. To make the stuff palatable when used as an antidote for fevers, legend has it, British colonials in India mixed quinine with…