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

Bell Pepper vs Peanut Butter: 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?

Bell Pepper is generally healthier

Bell Pepper comes out ahead in this comparison, winning in 3 out of 5 key nutritional categories. It has fewer calories (31 vs 588), less sugar (3g vs 9.4g), less sodium (3mg vs 459mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Bell Pepper

31 kcal

More Protein

Peanut Butter

25g

More Fiber

Peanut Butter

6g

Less Sugar

Bell Pepper

3g

Visual Comparison

Caloriesper 100g
Bell Pepper
31
Peanut Butter
588
Proteinper 100g
Bell Pepper
1g
Peanut Butter
25g
Carbohydratesper 100g
Bell Pepper
6g
Peanut Butter
20g
Fatper 100g
Bell Pepper
0.3g
Peanut Butter
50g

Side-by-Side Nutrition Table

NutrientBell PepperPeanut ButterDifference
Calories31kcal588kcal-557.0kcal
Protein1g25g-24.0g
Carbohydrates6g20g-14.0g
Fat0.3g50g-49.7g
Fiber2.2g6g-3.8g
Sugar3g9.4g-6.4g
Sodium3mg459mg-456.0mg

Serving Size Comparison

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

Bell Pepper

Per 100g:31 calories
Per cup (150g):47 calories
Per serving (85g):26 calories

Peanut Butter

Per 100g:588 calories
Per cup (150g):882 calories
Per serving (85g):500 calories

Diet Compatibility

Bell Pepper

Low-CarbLow-CalorieVeganVegetarianPaleoLow-Sodium

Peanut Butter

High-ProteinVeganVegetarianPaleo

When to Choose Bell Pepper

  • Lower in calories (31 vs 588)
  • Lower in carbs (6g vs 20g)
  • Less sugar (3g vs 9.4g)
  • Lower sodium (3mg vs 459mg)

Common Uses

SaladsStir-friesRoasted sidesSoups
View full Bell Pepper nutrition →

When to Choose Peanut Butter

  • Higher in protein (25g vs 1g)
  • More fiber (6g vs 2.2g)

Common Uses

SnackingToppingsTrail mixBaking
View full Peanut Butter nutrition →

Bell Pepper vs Peanut Butter: Nutritional Analysis

Peanut Butter is more calorie-dense at 588 calories per 100g compared to 31 for Bell Pepper, a difference of 557 calories. On the protein front, Peanut Butter delivers more with 25g per 100g versus 1g, 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 Bell Pepper and Peanut Butter tell different nutritional stories. Bell Pepper provides 6g of carbohydrates, 0.3g of fat, and 2.2g of fiber per 100g, while Peanut Butter contains 20g carbs, 50g fat, and 6g fiber. The higher fiber content in Peanut Butter supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Bell Pepper contains 3g while Peanut Butter has 9.4g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Bell Pepper is the lower-calorie choice at 31 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Peanut Butter provides more protein (25g/100g), supporting muscle repair and growth.
  • For sustained energy: Peanut Butter 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, Bell Pepper or Peanut Butter?

Peanut Butter has more calories with 588 kcal per 100g, compared to Bell Pepper with 31 kcal. That's a difference of 557 calories per 100g serving.

Is Bell Pepper healthier than Peanut Butter?

Based on our nutritional analysis, Bell Pepper is generally the healthier choice, winning in 3 out of 5 key nutritional categories. Bell Pepper has 31 calories, 1g protein, and 2.2g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Bell Pepper and Peanut Butter?

Peanut Butter has more protein with 25g per 100g, compared to Bell Pepper with 1g. Peanut Butter provides 24.0g more protein per 100g serving.

Which is better for weight loss, Bell Pepper or Peanut Butter?

For weight loss, Bell Pepper is the better choice with only 31 calories per 100g compared to 588 calories in Peanut Butter. Peanut Butter also offers 6g of fiber per 100g, which helps you feel fuller longer.

Does Bell Pepper or Peanut Butter have fewer carbs?

Bell Pepper has fewer carbs with 6g per 100g, compared to Peanut Butter with 20g. If you're following a low-carb diet, Bell Pepper is the better option with 14.0g 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.