Boylan Bottling Co Diet Root Beer, Refresh customers by serving this delightfully cool and sweet, Boylan Bottling Co. diet root beer soda. Made from a traditional recipe, this high quality diet root beer offers an authentic sweet sassafras taste, featuring flavors of cinnamon, sweet birch, vanilla, and wintergreen oil, with a smooth texture. Plus, this caffeine free and zero calorie version's sweeteners are carefully blended to eliminate any aftertaste, ensuring this diet root beer tastes just as good as the original recipe without the sugar. This root beer is great to enjoy plain or incorporate into classic treats like a root beer float.