Calories in Post Original Organic Original Honest O's Cereal

Low Sugar
Instrument — Food Profile
100g
Calories

375.00

kcal
Protein

15.00

g
Carbs

75.00

g
Fat

5.00

g
Fiber

10.00

g
Sugar

2.50

g

Curious about the nutritional profile of post original organic original honest 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 original organic original honest o's cereal provides 375.00 calories, 15.00g of protein, and 75.00g of carbs.

Serving Size Variations

Portion Size Calories Protein Carbs Fat
100g (Standard) 375.00 kcal 15.00g 75.00g 5.00g
1 oz (28g) 105 kcal 4.2g 21.0g 1.4g
1 2/3 cup (40g) 150 kcal 6.0g 30.0g 2.0g

Vitamins & Minerals

Nutrient Amount
Calcium 50.00 mg
Iron 3.50 mg
Potassium 450.00 mg
Sodium 262.00 mg
📊 Data Source: USDA FoodData Central Database (FDC ID: 2012190)
🩺 Reviewed by Ashwini Yadav Last Updated: July 2026

Nutrition FAQs

How many calories is in post original organic original honest o's cereal?

100 grams of post original organic original honest o's cereal contains exactly 375.00 calories.

Does post original organic original honest o's cereal help build muscle?

It contains 15.00g of protein per 100g, which is moderate.

How many calories is in 1 1 2/3 cup of post original organic original honest o's cereal?

A single 1 2/3 cup (40g) of post original organic original honest o's cereal provides 150 calories.

Is post original organic original honest o's cereal keto-friendly?

No, post original organic original honest o's cereal has 75.00g of carbs per 100g, which may disrupt ketosis.