Nutrition Facts for Peanut Butter
What Is Peanut Butter?
Peanut Butter is a simple staple that shows up in a lot of real-world diets because it is easy to portion, easy to repeat, and easy to track.
It is a good example of a food where portion size matters more than perfection—measure once, repeat often.
Per 100g, Peanut Butter gives you solid protein (25g) plus some fat (50g). That can be great for satiety, but it also means portions matter if you are cutting.
Tip: If you are tracking intake, log portions using a realistic serving size (not just 100g) so your daily totals reflect what you actually eat.
Calories in Peanut Butter (Per 100g)
The following values are standardized per 100 grams of peanut butter.
- Calories
588 kcal
- Protein
25 g
- Carbohydrates
20 g
- Fat
50 g
Nutrition by Serving Size
Calories and macros for common portion sizes of peanut butter.
| Portion | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 50g | 294 kcal | 12.5 g | 10 g | 25 g |
| 100g | 588 kcal | 25 g | 20 g | 50 g |
| 150g | 882 kcal | 37.5 g | 30 g | 75 g |
| 200g | 1176 kcal | 50 g | 40 g | 100 g |
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Is Peanut Butter Good for Weight Loss?
Peanut Butter can fit into a weight loss diet when portions are controlled. At 588 calories per 100g, it is calorie-dense, so measuring portions helps keep intake in check. Peanut Butter is high in protein (25g per 100g), which supports satiety and helps preserve muscle during a deficit. For best results, combine peanut butter with plenty of vegetables and a sustainable calorie target from a calorie calculator or calorie deficit calculator.
Health Benefits of Peanut Butter
No single food is “magic,” but choosing foods that you can portion consistently (and actually enjoy) is a big part of sustainable fat loss and better health habits. Here are practical reasons peanut butter can be a useful addition to a balanced diet:
- Helps you hit daily protein targets, which supports muscle maintenance during fat loss and recovery during training.
- Teaches portion awareness—use a repeatable serving size so your daily totals stay predictable.
- Provides useful energy from carbohydrates when you need performance and consistency.
- Adds satisfaction and flavor to meals, which can make a long-term plan more enjoyable.
Who Is Peanut Butter Best For?
Weight loss
Peanut Butter can still work for weight loss, but it is easier to overshoot calories. Use smaller servings and build the rest of the plate with vegetables and lean protein.
Muscle gain
Peanut Butter is useful for muscle gain because it contributes meaningful protein per serving. Add carbs or fat around it depending on your energy needs.
General health
Peanut Butter can be part of a healthy diet when you balance it with vegetables, adequate protein, and overall calorie intake that matches your goals.
How to Use Peanut Butter in Your Diet
Practical ways to include peanut butter in meals:
- Pair it with lean protein and high-volume vegetables for a satisfying, balanced plate.
- Use peanut butter in measured amounts to improve taste and adherence—just keep portions consistent.
- If fat loss is the goal, treat it like a “flavor budget” item: a little goes a long way.
- Add it to meals you already eat so you do not change everything at once while cutting.
- Use it on higher-activity days when you can fit more calories comfortably.
- Want a fast macro breakdown? Use the Meal Log Calculator to estimate calories and macros for your full meal (not just one ingredient).
Related Tools
Log peanut butter and other foods in the Meal Log Calculator. Set daily targets with the calorie calculator and macro calculator.
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