Tonic water and is used mostly for its flavor. As a result of the lower quinine content, it is less bitter, and is also usually sweetened, often with high-fructose corn syrup or sugar. Some manufacturers also produce diet (or slimline) tonic water, which may contain artificial sweeteners such as aspartame. Traditional-style tonic water with little more than quinine and carbonated water is less common but may be preferred by those who desire the bitter flavor. In the United States, the US Food and Drug Administration (FDA) limits the quinine content in tonic water to 83 ppm (83 mg per liter if calculated
Gin and tonic a gin and tonic. On one occasion where he serves as a bartender, the audience learns that he does not know what the drink consists of. Gin and tonic is one of John Constantine's drinks of choice in the "Hellblazer" comics. Gin and tonic is also the drink of choice for hero, Cat, in Jeaniene Frost's "Night Huntress" Series. Founded in 2010, International Gin & Tonic Day is celebrated worldwide on 19 October. Gin and tonic A gin and tonic is a highball cocktail made with gin and tonic water poured over ice. It is usually garnished with a slice