Faygo does not have caffeine. Caffeine is not a common ingredient in root beer. There are, however, exceptions such as Barq’s made by The Coca-Cola Company.
Faygo Root Beer Caffeine
Here is the caffeine content for the popular serving sizes of Faygo Root Beer:
| Serving Size | Caffeine | Caffeine(mg)/fl. oz. |
| 8 fl. oz. | 0 | 0 |
| 12 fl. oz. | 0 | 0 |
| 16 fl. oz. | 0 | 0 |
| 20 fl. oz. | 0 | 0 |
Faygo Root Beer Ingredients
Since caffeine is added to soda, it appears in the ingredients list for beverages that have caffeine. Faygo Root Beer is caffeine-free, therefore, caffeine is not shown as an ingredient on the product label.
Faygo Root Beer Ingredients: Carbonated Water, High Fructose Corn Syrup, Caramel Color, Potassium Benzoate (Preservative), Natural and Artificial Flavors, Citric Acid, Sucralose, Potassium Sorbate (Preservative).
Faygo Root Beer Caffeine vs Other Beverages
The table below reflects the caffeine in Faygo Root Beer compared to other popular drinks. With the exception of Barq’s, all other root beer brands listed are caffeine-free.
| Beverage | Serving Size | Caffeine (mg) |
|---|---|---|
| Faygo Root Beer | 12 fl. oz. | 0 |
| Barq’s | 12 fl. oz. | 22 |
| A&W Root Beer | 12 fl. oz. | 0 |
| Mug Root Beer | 12 fl. oz. | 0 |
| Dad’s Root Beer | 12 fl. oz. | 0 |
| IBC Root Beer | 12 fl. oz. | 0 |
| Coca-Cola | 12 fl. oz. | 34 |
| Monster Energy | 12 fl. oz. | 120 |
| Coffee | 12 fl. oz. | 136 (approximate) |
