Sarsaparilla soda is a carbonated beverage flavored with the root of the sarsaparilla plant, which is native to Central and South America. This drink has a sweet, slightly spicy taste and is often associated with the American Old West. It was popularized in the 19th century as a refreshing tonic and is sometimes confused with root beer, although they have different flavor profiles. Traditionally, sarsaparilla was believed to have medicinal properties, and it was used to treat various ailments. Today, sarsaparilla soda is enjoyed as a nostalgic treat and is available in many specialty stores. It can be served on its own or used as a mixer in cocktails.