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 an "Evans". Although the origins of the use of lemons are unknown, their use dates back at least as far as the late 1930s. In addition lemons are often more readily available, and cheaper to purchase, than limes. The use of lemon or lime is a debated issue and while leading brands, such as Gordon's, Tanqueray and Bombay Sapphire recommend the use of lime, the founder of Fevertree Tonic Water prefers lemon. Some people garnish a Beefeater-based gin and tonic with a slice of orange, to complement the Seville oranges Beefeater uses in its botanicals. A gin and tonic served