Calories in Post Frosted Flakes Cereal

Instrument — Food Profile
100g
Calories

390.00

kcal
Protein

4.88

g
Carbs

90.20

g
Fat

0.00

g
Fiber

0.00

g
Sugar

36.60

g

Curious about the nutritional profile of post frosted flakes cereal? 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 post frosted flakes cereal provides 390.00 calories, 4.88g of protein, and 90.20g of carbs.

Serving Size Variations

Portion Size Calories Protein Carbs Fat
100g (Standard) 390.00 kcal 4.88g 90.20g 0.00g
1 oz (28g) 109 kcal 1.4g 25.3g 0.0g
1 1/4 cup (41g) 160 kcal 2.0g 37.0g 0.0g

Vitamins & Minerals

Nutrient Amount
Thiamin (B1) 3.00 mg
Niacin (B3) 4.88 mg
Pantothenic Acid (B5) 1.22 mg
Vitamin B6 0.49 mg
Folate (B9) 61.00 mcg
Iron 13.20 mg
Potassium 73.00 mg
Sodium 463.00 mg
Zinc 3.66 mg
📊 Data Source: USDA FoodData Central Database (FDC ID: 2673068)
🩺 Reviewed by Ashwini Yadav Last Updated: July 2026

Nutrition FAQs

Can I eat post frosted flakes cereal on a keto diet?

No, post frosted flakes cereal has 90.20g of carbs per 100g, which may disrupt ketosis.

How many calories is in 1 1 1/4 cup of post frosted flakes cereal?

A single 1 1/4 cup (41g) of post frosted flakes cereal provides 160 calories.

How much protein does post frosted flakes cereal have?

It contains 4.88g of protein per 100g, which is moderate.

How many calories is in post frosted flakes cereal?

100 grams of post frosted flakes cereal contains exactly 390.00 calories.