Calories in Post O's Cereal

Instrument — Food Profile
100g
Calories

400.00

kcal
Protein

3.33

g
Carbs

83.30

g
Fat

5.00

g
Fiber

3.30

g
Sugar

43.30

g

Curious about the nutritional profile of post o's 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 o's cereal provides 400.00 calories, 3.33g of protein, and 83.30g of carbs.

Serving Size Variations

Portion Size Calories Protein Carbs Fat
100g (Standard) 400.00 kcal 3.33g 83.30g 5.00g
1 oz (28g) 112 kcal 0.9g 23.3g 1.4g
1 cup (30g) 120 kcal 1.0g 25.0g 1.5g

Vitamins & Minerals

Nutrient Amount
Thiamin (B1) 2.00 mg
Niacin (B3) 4.00 mg
Pantothenic Acid (B5) 0.67 mg
Vitamin B6 0.40 mg
Iron 12.00 mg
Potassium 150.00 mg
Sodium 500.00 mg
Zinc 3.00 mg
📊 Data Source: USDA FoodData Central Database (FDC ID: 2470754)
🩺 Reviewed by Ashwini Yadav Last Updated: July 2026

Nutrition FAQs

Is post o's cereal a good source of protein?

It contains 3.33g of protein per 100g, which is moderate.

How many calories is in 1 1 cup of post o's cereal?

A single 1 cup (30g) of post o's cereal provides 120 calories.

How many calories is in post o's cereal?

100 grams of post o's cereal contains exactly 400.00 calories.

Can I eat post o's cereal on a keto diet?

No, post o's cereal has 83.30g of carbs per 100g, which may disrupt ketosis.