Written by CalorieData Nutrition TeamReviewed by a Registered DietitianLast Updated: March 2026

Oreo Cookies vs Breakfast Cereal: Nutrition Comparison

Which is healthier? Compare calories, protein, carbs, and more

Complete side-by-side nutrition comparison per 100g serving | Updated 2026

Which is Healthier?

Breakfast Cereal is generally healthier

Breakfast Cereal comes out ahead in this comparison, winning in 4 out of 5 key nutritional categories. It has fewer calories (379 vs 437), more protein (7g vs 4.5g), more fiber (6g vs 2.3g), less sugar (24g vs 36g), making it the better choice for most health goals.

Quick Summary

Fewer Calories

Breakfast Cereal

379 kcal

More Protein

Breakfast Cereal

7g

More Fiber

Breakfast Cereal

6g

Less Sugar

Breakfast Cereal

24g

Visual Comparison

Caloriesper 100g
Oreo Cookies
437
Breakfast Cereal
379
Proteinper 100g
Oreo Cookies
4.5g
Breakfast Cereal
7g
Carbohydratesper 100g
Oreo Cookies
67g
Breakfast Cereal
84g
Fatper 100g
Oreo Cookies
17g
Breakfast Cereal
1.9g

Side-by-Side Nutrition Table

NutrientOreo CookiesBreakfast CerealDifference
Calories437kcal379kcal+58.0kcal
Protein4.5g7g-2.5g
Carbohydrates67g84g-17.0g
Fat17g1.9g+15.1g
Fiber2.3g6g-3.7g
Sugar36g24g+12.0g
Sodium380mg760mg-380.0mg

Serving Size Comparison

All values above are per 100g. Here's how they compare in common serving sizes:

Oreo Cookies

Per 100g:437 calories
Per cup (150g):656 calories
Per serving (85g):371 calories

Breakfast Cereal

Per 100g:379 calories
Per cup (150g):569 calories
Per serving (85g):322 calories

Diet Compatibility

Oreo Cookies

VeganVegetarian

Breakfast Cereal

VeganVegetarian

When to Choose Oreo Cookies

  • Lower in carbs (67g vs 84g)
  • Lower sodium (380mg vs 760mg)

Common Uses

Between mealsMovie nightsPartiesTravel food
View full Oreo Cookies nutrition →

When to Choose Breakfast Cereal

  • Lower in calories (379 vs 437)
  • Higher in protein (7g vs 4.5g)
  • More fiber (6g vs 2.3g)
  • Less sugar (24g vs 36g)

Common Uses

Side dishesBreakfastMeal baseEnergy food
View full Breakfast Cereal nutrition →

Oreo Cookies vs Breakfast Cereal: Nutritional Analysis

Oreo Cookies is more calorie-dense at 437 calories per 100g compared to 379 for Breakfast Cereal, a difference of 58 calories. On the protein front, Breakfast Cereal delivers more with 7g per 100g versus 4.5g, which matters for muscle maintenance, satiety, and overall metabolic health. These differences become meaningful when you consider how each food fits into your daily dietary pattern rather than looking at any single nutrient in isolation.

Macronutrient Breakdown

The macronutrient profiles of Oreo Cookies and Breakfast Cereal tell different nutritional stories. Oreo Cookies provides 67g of carbohydrates, 17g of fat, and 2.3g of fiber per 100g, while Breakfast Cereal contains 84g carbs, 1.9g fat, and 6g fiber. The higher fiber content in Breakfast Cereal supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Oreo Cookies contains 36g while Breakfast Cereal has 24g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Breakfast Cereal is the lower-calorie choice at 379 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Breakfast Cereal provides more protein (7g/100g), supporting muscle repair and growth.
  • For sustained energy: Breakfast Cereal offers more fiber (6g/100g), which slows digestion and provides steadier energy release.
  • Overall: Neither food is universally "better" than the other. The right choice depends on your specific nutritional goals, meal context, and dietary preferences. Both can play a role in a balanced diet.

Frequently Asked Questions

Which has more calories, Oreo Cookies or Breakfast Cereal?

Oreo Cookies has more calories with 437 kcal per 100g, compared to Breakfast Cereal with 379 kcal. That's a difference of 58 calories per 100g serving.

Is Oreo Cookies healthier than Breakfast Cereal?

Based on our nutritional analysis, Breakfast Cereal is generally the healthier choice, winning in 4 out of 5 key nutritional categories. Breakfast Cereal has 379 calories, 7g protein, and 6g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Oreo Cookies and Breakfast Cereal?

Breakfast Cereal has more protein with 7g per 100g, compared to Oreo Cookies with 4.5g. Breakfast Cereal provides 2.5g more protein per 100g serving.

Which is better for weight loss, Oreo Cookies or Breakfast Cereal?

For weight loss, Breakfast Cereal is the better choice with only 379 calories per 100g compared to 437 calories in Oreo Cookies. Breakfast Cereal also offers 6g of fiber per 100g, which helps you feel fuller longer.

Does Oreo Cookies or Breakfast Cereal have fewer carbs?

Oreo Cookies has fewer carbs with 67g per 100g, compared to Breakfast Cereal with 84g. If you're following a low-carb diet, Oreo Cookies is the better option with 17.0g fewer carbohydrates.

About Our Data

All nutrition data in this comparison is sourced from the USDA FoodData Central, the official food composition database maintained by the U.S. Department of Agriculture. Values are based on 100g servings for accurate comparison.

Health Disclaimer: This comparison is for informational purposes only and is not intended as medical or dietary advice. Nutritional needs vary by individual. The best food choice depends on your personal health goals, dietary requirements, and preferences. Consult a healthcare provider or registered dietitian for personalized nutrition guidance.