There are 400 calories in a Medium Sierra Mist® from Long John Silver's. Most of those calories come from carbohydrates (100%).
To burn the 400 calories in a Medium Sierra Mist®, you would have to run for 35 minutes or walk for 57 minutes.
TIP: You could reduce your calorie intake by 150 calories by choosing the Small Sierra Mist® (250 calories) instead.
Let us know what you think! Review the nutrition facts above and then vote on whether you think a Medium Sierra Mist® is healthy or not.
There are 25 Weight Watchers Freestyle Points, 25 WW SmartPoints and 12 WW PointsPlus in a serving of Medium Sierra Mist® from Long John Silver's.
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