calories in shamrock shakes
But, let's go over the nutrition facts. A 16-ounce serving of the Shamrock Shake has 550 calories, 13 grams of fat, 8 grams of saturated fat, 1 gram of trans fat, 50 milligrams of cholesterol, 180 milligrams of sodium, no fiber, 82 grams of sugar and 13 grams of protein.