About Tonic water!
If you've ever had a sip of straight tonic water, without gin or vodka or any other liquors, you know that tonic water is not or even club soda. Sure, all three drinks look the same. They're all clear, carbonated drinks. But both seltzer and club soda have a fairly neutral taste, especially when compared to that of tonic water. So what are the ingredients of tonic water exactly, and what gives tonic water its distinctive taste?
The bitterness you taste when you drink tonic water comes from one ingredient: quinine. "Q uinine is an alkaloid found in bark of a tree native to the Peruvian Andes,"
Quinine isn't the only ingredient in tonic water, however. There's the carbonated water, of course. You also need sugar to offset the bitterness of quinine.