Calories in Root Beer
Root beer is a sweet, carbonated beverage traditionally flavored using the root bark of the sassafras tree or sarsaparilla. It is high in added sugars and provides almost no essential nutrients, making it a source of empty calories.

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Common Variations
| Variation | Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 can (12 fl oz) (370g) | 1 can (12 fl oz) (370g) | 152 | 0g | 39.2g | 0g |
| 1 fl oz (31g) | 1 fl oz (31g) | 13 | 0g | 3.3g | 0g |
| 1 can or bottle (16 fl oz) (492g) | 1 can or bottle (16 fl oz) (492g) | 202 | 0g | 52.2g | 0g |
| 100 ml (104g) | 100 ml (104g) | 43 | 0g | 11g | 0g |
| 1 large (32 fl oz) (986g) | 1 large (32 fl oz) (986g) | 404 | 0g | 104.5g | 0g |
| 1 small (16 fl oz) (492g) | 1 small (16 fl oz) (492g) | 202 | 0g | 52.2g | 0g |
Health Benefits
Provides a quick source of energy from simple carbohydrates.
Often caffeine-free, making it a suitable soda alternative for those sensitive to stimulants.
Can help satisfy a sweet craving in moderation.
Nutrition Tips
- Choose diet or zero-sugar versions to eliminate liquid calories.
- Be mindful of portion sizes at restaurants, as refills can quickly double your sugar intake.
- Check labels for caffeine; while most root beers are caffeine-free, some brands do contain it.
- Limit consumption to occasional treats due to the high glycemic index.
- Pair with a glass of water to stay hydrated and reduce the impact of sugar on dental health.
GAYA Tracking Tip
When logging a Root Beer Float, photograph the glass clearly so GAYA can distinguish between the soda and the ice cream scoop.
Frequently Asked Questions
Does root beer contain caffeine?+
Most traditional root beer brands are caffeine-free, but always check the label as some specific brands like Barq's do contain caffeine.
Is root beer healthier than cola?+
Nutritionally, they are very similar as both are high in sugar and calories; however, root beer is more likely to be caffeine-free.
Can I drink root beer on a keto diet?+
Standard root beer is not keto-friendly due to its high sugar content, but diet or stevia-sweetened versions are acceptable.
Track Root Beer calories with just a photo
Snap a photo of your food — GAYA calculates calories, protein, carbs, and fat in seconds.
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