Brewers Garden Sarsaparilla - 2oz It is a misconception that sarsaparilla is the primary flavor of the beverage bearing its name. Refreshing sarsaparilla is made from a root beer type base to which has been added several of many roots and herbs. The sarsaparilla herb was originally added to beverages to help improve mouthfeel and head retention, but mainly for its medicinal properties as an agent to cure mouth sores, rheumatism and dropsy. It has a spicy, creamy vanilla flavor.