what is in root beer
1 Common ingredients in root beer include vanilla, cherry tree bark, wintergreen, molasses, anise, liquorice root, cinnamon, and honey among others. 2  The primary ingredient is still sassafras flavour.3  Root beer is almost exclusively a North American drink.oday I found out why root beer is called that when it doesnât contain any alcohol. This popular soft drink pairs well with vanilla ice cream, resulting in root beer floats that are common sights at kidsâ birthday parties in North America.