Reese's Peanut Butter Bar

Packaged product Dairy and Eggs Reese's

Reese's Peanut Butter Bar contains 533 kcal per 100 g.

Roughly 54% of its calories come from fat, with 41% from carbohydrates and 5% 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 15% of the Daily Value for iron.

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

Reese's Peanut Butter Bar by Reese's, product photo
Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors
533kcal per 100 g
6.7 gprotein
56.7 gcarbohydrates
33.3 gfat

Nutrition facts

The source reports no household measures (such as cups or pieces) for this food, so only weights are offered.

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 533 kcal
Total fat L 33.3 g 43%
Saturated fat not reported
Sodium L 183 mg 8%
Total carbohydrates L 56.7 g 21%
Dietary fiber not reported
Total sugars L 53.3 g
Added sugars L 46.7 g 93%
Protein L 6.7 g 13%
Calcium L 66.7 mg5%
Iron L 2.7 mg15%
Potassium L 383 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: 5%Carbohydrates: 41%Fat: 54%533kcal / 100 g
  • Protein 5%
  • Carbohydrates 41%
  • Fat 54%

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

Iron15%Potassium8%Calcium5%

Nutritional insights

  • Protein6.7 gbelow the median for dairy and eggs (median 8 g)
  • Sugars53.3 gin the top quarter of dairy and eggs (median 3.8 g)
  • Fat33.3 gin the top quarter of dairy and eggs (median 10.2 g)
  • Sodium183 mgbelow the median for dairy and eggs (median 236 mg)
  • Protein per 100 kcal1.3 gprotein density, useful for comparing foods with different calorie levels

Product details

Brand
Reese's
Barcode
0034000448852
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 Reese's Peanut Butter Bar?

100 g of Reese's Peanut Butter Bar has 533 kcal.

How much protein is in Reese's Peanut Butter Bar?

Reese's Peanut Butter Bar contains 6.7 g of protein per 100 g (13% of the 50 g Daily Value). About 5% of its calories come from protein. Compared with other dairy and eggs, that is below the median (median 8 g).

How many carbs are in Reese's Peanut Butter Bar?

Reese's Peanut Butter Bar has 56.7 g of total carbohydrates per 100 g, including 53.3 g of sugars. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.

How much fat is in Reese's Peanut Butter Bar?

Reese's Peanut Butter Bar contains 33.3 g of fat per 100 g.

What vitamins and minerals does Reese's Peanut Butter Bar contain?

Per 100 g, the most notable amounts relative to the Daily Value are iron (15% DV). The full list is in the vitamins and minerals table above.

How much sodium is in Reese's Peanut Butter Bar?

100 g contains 183 mg of sodium, 8% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From Open Food Facts, record dated August 11, 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 0034000448852. License: ODbL 1.0 (Open Food Facts). Source record dated August 11, 2026. Imported November 6, 2026.

Last updated: . Data quality score: 80/100 (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.