There are 560 calories in a Medium Shamrock Shake from McDonald's. Most of those calories come from carbohydrates (66%).
|Serving Size||1 Medium Shake|
|Amount Per Serving|
|Calories From Fat||140|
*All percent daily value figures are based on a 2,000 calorie diet.
Weight Watchers Freestyle Points: 28
Weight Watchers SmartPoints: 28
Weight Watchers PointsPlus: 15
Allergy Information: a McDonald's Shamrock Shake contains milk. a McDonald's Shamrock 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.