Data last updated: April 2026

Grapefruit vs Peanut Butter

Nutrition Comparison per 100g

Grapefruit 4
vs
6 Peanut Butter

Fruits vs Nuts & Seeds

Side-by-Side Nutrition Facts

Nutrient Grapefruit Peanut Butter Better
Calories 42kcal 588kcal Grapefruit
Protein 0.8g 25.1g Peanut Butter
Total Fat 0.1g 50.4g Grapefruit
Carbohydrates 10.7g 20g Peanut Butter
Fiber 1.6g 6g Peanut Butter
Sugar 6.9g 9.2g Grapefruit
Vitamin C 31.2mg 0mg Grapefruit
Calcium 22mg 43mg Peanut Butter
Iron 0.1mg 1.7mg Peanut Butter
Potassium 135mg 649mg Peanut Butter

Macronutrient Breakdown

Grapefruit

Protein: 0.8g Fat: 0.1g Carbs: 10.7g

Peanut Butter

Protein: 25.1g Fat: 50.4g Carbs: 20g

Data Source

Nutrition data sourced from the USDA FoodData Central SR Legacy database. All values are per 100g of the food item. Actual nutritional content may vary by preparation method, brand, and serving size.

Grapefruit vs Peanut Butter — Key Takeaway

Grapefruit has 546 fewer calories per 100g than Peanut Butter, making it the lighter option. For protein, Peanut Butter leads with 25.1g per 100g. Peanut Butter is the better source of fiber at 6g per 100g. Grapefruit provides 31.2mg of vitamin C.

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