There are 280 calories in a Large Mello Yello from Sonic. Most of those calories come from carbohydrates (100%).
To burn the 280 calories in a Large Mello Yello, you would have to run for 25 minutes or walk for 40 minutes.
TIP: You could reduce your calorie intake by 90 calories by choosing the Medium Mello Yello (190 calories) instead.
According to our website visitors, a Large Mello Yello is not a healthy and nutritious option from Sonic, with only 29% of voters finding it to be healthy.
Let us know what you think! Review the nutrition facts above and then vote on whether you think a Large Mello Yello is healthy or not.
Allergy Information: a Sonic Mello Yello does not contain egg, fish, gluten, milk, MSG, peanuts, shellfish, soy, tree nuts or wheat.*
* Please keep in mind that most fast food restaurants cannot guarantee that any product is free of allergens as they use shared equipment for prepping foods.
There are 18 Weight Watchers Freestyle Points, 18 WW SmartPoints and 8 WW PointsPlus in a serving of Large Mello Yello from Sonic.