Calories in Kellogg's Pop-tarts Frosted Brown Sugar Cinnamon 21oz

Instrument — Food Profile
100g
Calories

420.00

kcal
Protein

4.00

g
Carbs

70.00

g
Fat

14.00

g
Fiber

2.00

g
Sugar

30.00

g

Curious about the nutritional profile of kellogg's pop-tarts frosted brown sugar cinnamon 21oz? Whether you are tracking your macros or just want to know how many calories it contain, you are in the right place. A standard 100g serving of kellogg's pop-tarts frosted brown sugar cinnamon 21oz provides 420.00 calories, 4.00g of protein, and 70.00g of carbs.

Serving Size Variations

Portion Size Calories Protein Carbs Fat
100g (Standard) 420.00 kcal 4.00g 70.00g 14.00g
1 oz (28g) 118 kcal 1.1g 19.6g 3.9g
1 Pastry (50g) 210 kcal 2.0g 35.0g 7.0g

Vitamins & Minerals

Nutrient Amount
Riboflavin (B2) 0.14 mg
Niacin (B3) 1.60 mg
Folate (B9) 64.00 mcg
Iron 1.44 mg
Sodium 340.00 mg
📊 Data Source: USDA FoodData Central Database (FDC ID: 2753829)
🩺 Reviewed by Ashwini Yadav Last Updated: July 2026

Nutrition FAQs

Is kellogg's pop-tarts frosted brown sugar cinnamon 21oz a good source of protein?

It contains 4.00g of protein per 100g, which is moderate.

How many calories is in kellogg's pop-tarts frosted brown sugar cinnamon 21oz?

100 grams of kellogg's pop-tarts frosted brown sugar cinnamon 21oz contains exactly 420.00 calories.

How many calories is in 1 1 pastry of kellogg's pop-tarts frosted brown sugar cinnamon 21oz?

A single 1 pastry (50g) of kellogg's pop-tarts frosted brown sugar cinnamon 21oz provides 210 calories.

Is kellogg's pop-tarts frosted brown sugar cinnamon 21oz keto-friendly?

No, kellogg's pop-tarts frosted brown sugar cinnamon 21oz has 70.00g of carbs per 100g, which may disrupt ketosis.