There are 580 calories in a Grimace's Birthday Shake from McDonald's. Most of those calories come from carbohydrates (68%).
To burn the 580 calories in a Grimace's Birthday Shake, you would have to run for 51 minutes or walk for 83 minutes.
According to our website visitors, a Grimace's Birthday Shake is not a healthy and nutritious option from McDonald's, with only 24% 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 Grimace's Birthday Shake is healthy or not.
Allergy Information: a McDonald's Grimace's Birthday Shake contains milk. a McDonald's Grimace's Birthday Shake does not contain egg, fish, gluten, 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 28 Weight Watchers Freestyle Points, 28 WW SmartPoints and 15 WW PointsPlus in a serving of Grimace's Birthday Shake from McDonald's.
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