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
The Iron Tonic 19th-century-engraving style, the work comprises 14 panels of illustration and rhyming text in iambic pentameter. It tells the story of an eerie, melancholy manor whose inhabitants are either old or unwell. Wim Tigges described the book as "a compilation of hardly related couplets," in which nonsense objects "are seen to be falling unaccountably out of the sky." Tigges notes it uses a device commonly used in Gorey's writing, "the unexplained recurrence of an irrelevant object". The Iron Tonic The Iron Tonic: Or, A Winter Afternoon in Lonely Valley is a Surrealist country-house mystery—that is, a series of clues that don't