There are 300 calories in a 20 oz Fanta Birch Beer from Baja Fresh. Most of those calories come from carbohydrates (100%).
To burn the 300 calories in a 20 oz Fanta Birch Beer, you would have to run for 26 minutes or walk for 43 minutes.
Let us know what you think! Review the nutrition facts above and then vote on whether you think a 20 oz Fanta Birch Beer is healthy or not.
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