Calories in Post Marshmallow Cereal Bars

Instrument — Food Profile
100g
Calories

409.00

kcal
Protein

4.55

g
Carbs

77.30

g
Fat

9.09

g
Fiber

0.00

g
Sugar

40.90

g

Curious about the nutritional profile of post marshmallow cereal bars? Whether you are tracking your macros or just want to know how many calories they contain, you are in the right place. A standard 100g serving of post marshmallow cereal bars provides 409.00 calories, 4.55g of protein, and 77.30g of carbs.

Serving Size Variations

Portion Size Calories Protein Carbs Fat
100g (Standard) 409.00 kcal 4.55g 77.30g 9.09g
1 oz (28g) 115 kcal 1.3g 21.6g 2.5g
1 bar (22g) 90 kcal 1.0g 17.0g 2.0g

Vitamins & Minerals

Nutrient Amount
Vitamin A 409.00 mcg
Vitamin D 5.00 mcg
Thiamin (B1) 1.00 mg
Riboflavin (B2) 1.16 mg
Niacin (B3) 9.09 mg
Vitamin B6 0.91 mg
Folate (B9) 227.00 mcg
Vitamin B12 6.82 mcg
Iron 1.36 mg
Potassium 45.00 mg
Sodium 364.00 mg
Zinc 4.09 mg
📊 Data Source: USDA FoodData Central Database (FDC ID: 2669852)
🩺 Reviewed by Ashwini Yadav Last Updated: July 2026

Nutrition FAQs

How many calories are in post marshmallow cereal bars?

100 grams of post marshmallow cereal bars contains exactly 409.00 calories.

Does post marshmallow cereal bars help build muscle?

They contain 4.55g of protein per 100g, which is moderate.

Is post marshmallow cereal bars keto-friendly?

No, post marshmallow cereal bars have 77.30g of carbs per 100g, which may disrupt ketosis.

How many calories are in 1 1 bar of post marshmallow cereal bars?

A single 1 bar (22g) of post marshmallow cereal bars provides 90 calories.