O-SO Root Beer – Classic Flavor, Timeless Taste Enjoy a blast from the past with O-SO Butterscotch Root Beer, a nostalgic soda with rich, creamy root beer flavor that lives up to its name — it’s O-SO good! Originally introduced in the 1940s, this handcrafted soft drink is sweetened with pure cane sugar and delivers bold, old-fashioned taste in every sip. Perfect for root beer floats or simply enjoyed ice-cold on its own. Size: 12 fl oz (355 mL)Sweetener: Cane Sugar Ingredients:Carbonated Water, Cane Sugar, Caramel Color, Natural and Artificial Flavors, Sodium Benzoate (Preservative), Citric Acid. Nutrition Facts (per 12 fl oz): Calories: 170 Total Fat: 0g Sodium: 35mg Total Carbohydrate: 43g Sugars: 42g Protein: 0g