Costco apple pie is a high-calorie treat that should be saved for special occasions if you're trying to watch your weight. Stick to a small piece and avoid ice cream or whipped cream to save calories.
No published information lists the calorie content for a Costco apple pie, but an average slice of apple pie has 280 calories, according to the Nutrient Facts website. A piece is equal to 1/6 of an 8-inch pie.
A piece of apple pie has 15 g of fat, 4 g of which is saturated, according to the Nutrient Facts site. It has 40 g of carbohydrates, 2 g of protein and 2 g of fiber. It has 310 mg of sodium.
Apple pie is high in fat and sugar. A slice has 20 percent of the Recommended Daily Value for saturated fat, which can increase your risk of heart disease, according to MayoClinic.com. Excess sugar in your diet can lead to weight gain, tooth decay, poor nutrition and increased triglycerides, which raise your risk of heart disease.