Peanut Butter Cups
Packaged product Sweets and Desserts Reese's
Peanut Butter Cups contains 524 kcal per 100 g. A serving, 1 piece, 21 g (21 g) provides about 110 kcal.
Roughly 49% of its calories come from fat, with 44% from carbohydrates and 7% from protein (estimated with general energy factors).
That is more energy than the typical item in sweets and desserts on FoodFactly, where the median is 385 kcal per 100 g across 8,424 products.
100 g provides 31% of the Daily Value for chloride, 27% of the Daily Value for iodine and 22% of the Daily Value for Pantothenic acid (B5).
The values are label data submitted by the manufacturer to USDA FoodData Central.
Nutrition facts
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories L | 524 kcal | |
| Total fat L | 28.6 g | 37% |
| Saturated fat L | 9.5 g | 48% |
| Trans fat L | 0 g | |
| Cholesterol L | 0 mg | 0% |
| Sodium L | 310 mg | 13% |
| Total carbohydrates L | 57.1 g | 21% |
| Dietary fiber L | 4.8 g | 17% |
| Total sugars L | 52.4 g | |
| Added sugars L | 47.6 g | 95% |
| Protein L | 9.5 g | 19% |
| Vitamin A L | 0 µg | 0% |
| Vitamin C L | 0 mg | 0% |
| Vitamin D L | 0 µg | 0% |
| Vitamin E L | 0 mg | 0% |
| Vitamin K L | 0 µg | 0% |
| Thiamin (B1) L | 0.12 mg | 10% |
| Riboflavin (B2) L | 0.17 mg | 13% |
| Niacin (B3) L | 2.1 mg | 13% |
| Pantothenic acid (B5) L | 1.1 mg | 22% |
| Vitamin B6 L | 0.11 mg | 7% |
| Folate (B9) L | 28.1 µg | 7% |
| Vitamin B12 L | 0.34 µg | 14% |
| Choline L | 0 mg | 0% |
| Calcium L | 95 mg | 7% |
| Iron L | 2.9 mg | 16% |
| Magnesium L | 0 mg | 0% |
| Phosphorus L | 0 mg | 0% |
| Potassium L | 357 mg | 8% |
| Zinc L | 0 mg | 0% |
| Copper L | 0 mg | 0% |
| Manganese L | 0 mg | 0% |
| Selenium L | 0 µg | 0% |
| Iodine L | 39.9 µg | 27% |
| Chloride L | 712 mg | 31% |
% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.
Nutritional breakdown
- Protein 7%
- Carbohydrates 44%
- Fat 49%
Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).
Vitamins and minerals, % Daily Value per 100 g
Nutritional insights
- Protein9.5 gin the top quarter of sweets and desserts (median 2.6 g)
- Fiber4.8 gin the top quarter of sweets and desserts (median 0 g)
- Sugars52.4 gbelow the median for sweets and desserts (median 54.8 g)
- Fat28.6 gin the top quarter of sweets and desserts (median 0.5 g)
- Saturated fat9.5 gabove the median for sweets and desserts (median 1.3 g)
- Sodium310 mgin the top quarter of sweets and desserts (median 50 mg)
- Protein per 100 kcal1.8 gprotein density, useful for comparing foods with different calorie levels
- Water0.87 gwater per 100 g, which largely explains differences between raw, cooked and dried forms
Full nutrient profile
Fats and cholesterol (2)
| Monounsaturated fat L | 10.6 g |
|---|---|
| Polyunsaturated fat L | 3 g |
Sugars and starch (1)
| Starch L | 0 g |
|---|
Individual fatty acids (4)
| EPA (omega-3, 20:5 n-3) L | 0.008 g |
|---|---|
| DHA (omega-3, 22:6 n-3) L | 0.008 g |
| ALA (omega-3, 18:3 n-3) L | 0.057 g |
| Linoleic acid (omega-6, 18:2) L | 3 g |
Carotenoids (1)
| Beta-carotene L | 20.9 µg |
|---|
Other components (3)
| Water L | 0.87 g |
|---|---|
| Alcohol L | 0 g |
| Caffeine L | 0 mg |
Values by source
More than one dataset describes this food. FoodFactly keeps each source's values separately instead of blending them. The headline values above come from USDA FoodData Central: Branded Foods.
| Per 100 g | Open Food Facts | USDA Branded |
|---|---|---|
| Calories | 524 kcal | 524 kcal |
| Protein | 9.5 g | 9.5 g |
| Carbohydrates | 57.1 g | 57.1 g |
| Fat | 28.6 g | 28.6 g |
| Fiber | 4.8 g | 4.8 g |
| Sugars | 55 g | 52.4 g |
| Sodium | 363 mg | 310 mg |
Product details
- Brand
- Reese's
- Barcode
- 0034000403622
- Label serving
- 1 PIECE (21 g)
- Category
- Confectioneries
- Nutri-Score
- E as computed by Open Food Facts
- NOVA group
- 4 processing level (1 to 4), as classified by Open Food Facts
Ingredients
Milk chocolate [sugar; cocoa butter; chocolate; skim milk; milk fat; lactose; lecithin (soy); pgpr]; peanuts; sugar; dextrose; salt; tbhq and citric acid, to maintain freshness.
As listed on the package and transcribed by Open Food Facts contributors. Always check the package for allergens.
Ingredient guides: PeanutSugarSaltCocoa butterMilk
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|---|---|---|---|---|
| Nestle Crunch Sutlu CikoLata Nestlé | 524 | 6.2 g | 62 g | 27 g |
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| Mixed chocolate pretzels Hema | 524 | 5.5 g | 59.2 g | 28.7 g |
| Waffel Eier Kinkartz | 524 | 4.8 g | 56 g | 30 g |
| Croccantini ricoperti al cioccolato fondente Di Gennaro | 524 | 6 g | 53 g | 31 g |
| Μερεντα κιλου Mereda | 524 | 3.6 g | 64 g | 28 g |
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Per 100 g. Calories in kcal. n/a: not reported by the source.
Frequently asked questions
How many calories are in Peanut Butter Cups?
100 g of Peanut Butter Cups has 524 kcal. Serving, 1 piece, 21 g (21 g): about 110 kcal.
How much protein is in Peanut Butter Cups?
Peanut Butter Cups contains 9.5 g of protein per 100 g (19% of the 50 g Daily Value), or 2 g in serving, 1 piece, 21 g (21 g). About 7% of its calories come from protein. Compared with other sweets and desserts, that is among the highest quarter (median 2.6 g).
How many carbs are in Peanut Butter Cups?
Peanut Butter Cups has 57.1 g of total carbohydrates per 100 g, including 4.8 g of fiber and 52.4 g of sugars.
How much fat is in Peanut Butter Cups?
Peanut Butter Cups contains 28.6 g of fat per 100 g, of which 9.5 g is saturated (48% of the Daily Value).
What vitamins and minerals does Peanut Butter Cups contain?
Per 100 g, the most notable amounts relative to the Daily Value are chloride (31% DV), iodine (27% DV), Pantothenic acid (B5) (22% DV), iron (16% DV) and Vitamin B12 (14% DV). The full list is in the vitamins and minerals table above.
How much sodium is in Peanut Butter Cups?
100 g contains 310 mg of sodium, 13% of the 2,300 mg Daily Value.
Where does this nutrition data come from?
From USDA FoodData Central: Branded Foods, record dated March 25, 2026. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.
Source of the nutrition information
- USDA FoodData Central: Branded Foods, record 2574548. License: CC0 1.0 (U.S. public domain). Source record dated May 30, 2023. Imported November 6, 2026.
- Open Food Facts, record 0034000403622. License: ODbL 1.0 (Open Food Facts). Source record dated March 25, 2026. Imported November 6, 2026.
Last updated: . Data quality score: 100/100 (how it is calculated).
General nutrition information, not medical advice. Individual needs differ; see our disclaimer.