There are 3 calories in a Medium Diet Barq's Root Beer from Firehouse Subs. Most of those calories come from carbohydrates (100%).
To burn the 3 calories in a Medium Diet Barq's Root Beer, you would have to run for less than 1 minute or walk for less than 1 minute.
TIP: You could reduce your calorie intake by 1 calories by choosing the Small Diet Barq's Root Beer (2 calories) instead.
Let us know what you think! Review the nutrition facts above and then vote on whether you think a Medium Diet Barq's Root Beer is healthy or not.
There are 0 Weight Watchers Freestyle Points, 0 WW SmartPoints and 0 WW PointsPlus in a serving of Medium Diet Barq's Root Beer from Firehouse Subs.
Select a second item to compare to the Medium Diet Barq's Root Beer from Firehouse Subs.
CLOSE