Root beer

carbonated beverage, originally made using the root of a sassafras plant

Root beer is a sweet soda. It is traditionally made using sassafras or sarsaparilla as the main flavor.

A glass of root beer

It does not have caffeine, though some root beer makers add caffeine. It can be carbonated or non-carbonated. Modern, commercially produced root beer is generally sweet, foamy, carbonated, nonalcoholic, and flavoured using artificial sassafras flavouring.