There are 290 calories in a 20 oz Red Flash from Baja Fresh. Most of those calories come from carbohydrates (100%).
To burn the 290 calories in a 20 oz Red Flash, you would have to run for 25 minutes or walk for 41 minutes.
Let us know what you think! Review the nutrition facts above and then vote on whether you think a 20 oz Red Flash is healthy or not.