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

Peanut Butter vs Pistachios: 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?

Pistachios is generally healthier

Pistachios comes out ahead in this comparison, winning in 4 out of 5 key nutritional categories. It has fewer calories (560 vs 588), more fiber (10g vs 6g), less sugar (7.7g vs 9.4g), less sodium (1mg vs 459mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Pistachios

560 kcal

More Protein

Peanut Butter

25g

More Fiber

Pistachios

10g

Less Sugar

Pistachios

7.7g

Visual Comparison

Caloriesper 100g
Peanut Butter
588
Pistachios
560
Proteinper 100g
Peanut Butter
25g
Pistachios
20g
Carbohydratesper 100g
Peanut Butter
20g
Pistachios
28g
Fatper 100g
Peanut Butter
50g
Pistachios
45g

Side-by-Side Nutrition Table

NutrientPeanut ButterPistachiosDifference
Calories588kcal560kcal+28.0kcal
Protein25g20g+5.0g
Carbohydrates20g28g-8.0g
Fat50g45g+5.0g
Fiber6g10g-4.0g
Sugar9.4g7.7g+1.7g
Sodium459mg1mg+458.0mg

Serving Size Comparison

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

Peanut Butter

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

Pistachios

Per 100g:560 calories
Per cup (150g):840 calories
Per serving (85g):476 calories

Diet Compatibility

Peanut Butter

High-ProteinVeganVegetarianPaleo

Pistachios

High-ProteinVeganVegetarianPaleoLow-Sodium

When to Choose Peanut Butter

  • Higher in protein (25g vs 20g)
  • Lower in carbs (20g vs 28g)

Common Uses

SnackingToppingsTrail mixBaking
View full Peanut Butter nutrition →

When to Choose Pistachios

  • Lower in calories (560 vs 588)
  • More fiber (10g vs 6g)
  • Less sugar (7.7g vs 9.4g)
  • Lower sodium (1mg vs 459mg)

Common Uses

SnackingToppingsTrail mixBaking
View full Pistachios nutrition →

Peanut Butter vs Pistachios: Nutritional Analysis

Peanut Butter is more calorie-dense at 588 calories per 100g compared to 560 for Pistachios, a difference of 28 calories. On the protein front, Peanut Butter delivers more with 25g per 100g versus 20g, 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 Peanut Butter and Pistachios tell different nutritional stories. Peanut Butter provides 20g of carbohydrates, 50g of fat, and 6g of fiber per 100g, while Pistachios contains 28g carbs, 45g fat, and 10g fiber. The higher fiber content in Pistachios supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Peanut Butter contains 9.4g while Pistachios has 7.7g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Pistachios is the lower-calorie choice at 560 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: Pistachios offers more fiber (10g/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, Peanut Butter or Pistachios?

Peanut Butter has more calories with 588 kcal per 100g, compared to Pistachios with 560 kcal. That's a difference of 28 calories per 100g serving.

Is Peanut Butter healthier than Pistachios?

Based on our nutritional analysis, Pistachios is generally the healthier choice, winning in 4 out of 5 key nutritional categories. Pistachios has 560 calories, 20g protein, and 10g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Peanut Butter and Pistachios?

Peanut Butter has more protein with 25g per 100g, compared to Pistachios with 20g. Peanut Butter provides 5.0g more protein per 100g serving.

Which is better for weight loss, Peanut Butter or Pistachios?

For weight loss, Pistachios is the better choice with only 560 calories per 100g compared to 588 calories in Peanut Butter. Pistachios also offers 10g of fiber per 100g, which helps you feel fuller longer.

Does Peanut Butter or Pistachios have fewer carbs?

Peanut Butter has fewer carbs with 20g per 100g, compared to Pistachios with 28g. If you're following a low-carb diet, Peanut Butter is the better option with 8.0g 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.