Peanut Butter Nutrition Facts: Calories, Macros & Health Benefits
Summary: Peanut Butter contains 360 calories, 13g protein, 43g carbs, and 15g fat per one slice (45g). It is a source of saturated fat, sodium, iron.

Nutrition Facts — one slice (45g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 360 kcal | 18% |
| Protein | 13.0g | 26% |
| Carbohydrates | 43.0g | 16% |
| Total Fat | 15.0g | 19% |
| Fiber | 4.5g | 16% |
| Sugar | 5.0g | -- |
| Saturated Fat | 2.5g | 12% |
| Sodium | 520.0mg | 23% |
| Calcium | 55.0mg | 4% |
| Iron | 350.0mg | 1944% |
| Magnesium | 1.5mg | 0% |
| Zinc | 200.0mg | 1818% |
| Vitamin C | 0.50mg | 1% |
| Vitamin A | 0.70mcg | 0% |
| Vitamin B6 | 6.0mg | 353% |
| Vitamin B12 | 0.50mcg | 21% |
| Folate | 120.0mcg | 30% |
| Vitamin E | 2.0mg | 13% |
| Vitamin K | 1.2mcg | 1% |
Is Peanut Butter Good for You?
Peanut Butter provides 360 calories per one slice (45g) with 13g protein, 43g carbohydrates, and 15g fat. It is a source of saturated fat (12% dv), sodium (23% dv), iron (1944% dv).
Savory-sweet open sandwich of toasted bread with peanut butter and yeast extract spread
Key Health Benefits of Peanut Butter
- Saturated Fat (12% DV): Supports balanced nutrition when included as part of your daily meals.
- Sodium (23% DV): Supports balanced nutrition when included as part of your daily meals.
- Iron (1944% DV): Supports balanced nutrition when included as part of your daily meals.
- Zinc (1818% DV): Supports balanced nutrition when included as part of your daily meals.
- Vitamin B6 (353% DV): Supports balanced nutrition when included as part of your daily meals.
- Protein: Provides 13g protein per serving to support satiety and muscle maintenance.
How to Track Peanut Butter Nutrition with Gram
Use Gram to log peanut butter and see calories, macros, and micronutrients in context. You can search by name or use AI food scanning to track meals quickly.
Frequently Asked Questions
How many calories are in peanut butter?
Peanut Butter contains 360 calories per one slice (45g).
How much protein is in peanut butter?
Peanut Butter provides 13g of protein per one slice (45g).
How many carbs are in peanut butter?
Peanut Butter has 43g of carbohydrates per one slice (45g).
Is peanut butter good for tracking nutrition?
Yes. Peanut Butter can be logged by calories, macros, and micronutrients in the Gram app.
How should I use peanut butter in a meal plan?
Use Peanut Butter as part of a balanced meal and compare the protein, carbs, and fat values to your daily targets.
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Nutrition data sourced from USDA FoodData Central. Track peanut butter and thousands of other foods with the Gram app.