Peanut Butter Cups

Packaged product Dairy and Eggs 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 dairy and eggs on FoodFactly, where the median is 248 kcal per 100 g across 42,808 products.

100 g provides 16% of the Daily Value for iron.

The values are as declared on the product label and entered by Open Food Facts contributors.

Peanut Butter Cups by Reese's, product photo
Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors
524kcal per 100 g
9.5 gprotein
57.1 gcarbohydrates
28.6 gfat
110kcal in serving, 1 piece, 21 g (21 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount 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%
Calcium L 95.2 mg7%
Iron L 2.9 mg16%
Potassium L 357 mg8%

% 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%524kcal / 100 g
  • 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

Iron16%Potassium8%Calcium7%

Nutritional insights

  • Protein9.5 gabove the median for dairy and eggs (median 8 g)
  • Fiber4.8 gin the top quarter of dairy and eggs (median 0.59 g)
  • Sugars52.4 gin the top quarter of dairy and eggs (median 3.8 g)
  • Fat28.6 gin the top quarter of dairy and eggs (median 10.2 g)
  • Saturated fat9.5 gabove the median for dairy and eggs (median 4.3 g)
  • Sodium310 mgabove the median for dairy and eggs (median 236 mg)
  • Protein per 100 kcal1.8 gprotein density, useful for comparing foods with different calorie levels

Product details

Brand
Reese's
Barcode
0034000078387
Label serving
1 piece (21 g)
Category
Dairy and Eggs

Ingredients

Ingredients not reported.

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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 dairy and eggs, that is above the median (median 8 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. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.

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 iron (16% 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 Open Food Facts, record dated July 21, 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

  • Open Food Facts, record 0034000078387. License: ODbL 1.0 (Open Food Facts). Source record dated July 21, 2026. Imported November 6, 2026.

Last updated: . Data quality score: 95/100 (how it is calculated).

Product data from Open Food Facts, made available under the Open Database License. Values are as declared on the label; labels can change over time, so check the package you have.

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.