Reese's One Protein Bar

Packaged product Snacks Reese's

Reese's One Protein Bar contains 2 kcal per 100 g.

Roughly 51 % of its calories come from fat, with 27 % from carbohydrates and 22 % from protein (estimated with general energy factors).

That is less energy than the typical item in snacks on FoodFactly, where the median is 381 kcal per 100 g across 2.876 products.

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

Reese's One Protein Bar by Reese's, product photo
Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors
2kcal per 100 g
0,5 gprotein
0,6 gcarbohydrates
0,5 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 2 kcal
Total fat L 0,5 g 0,6 %
Saturated fat L 0,1 g 0,5 %
Sodium L 4 mg 0,2 %
Total carbohydrates L 0,6 g 0,2 %
Dietary fiber not reported
Total sugars L 0,6 g
Added sugars L 0,023 g 0 %
Protein L 0,5 g 1 %

% 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: 22 %Carbohydrates: 27 %Fat: 51 %2kcal / 100 g
  • Protein 22 %
  • Carbohydrates 27 %
  • Fat 51 %

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Nutritional insights

  • Protein0,5 gin the lowest quarter of snacks (median 30 g)
  • Sugars0,6 gin the lowest quarter of snacks (median 8 g)
  • Fat0,5 gin the lowest quarter of snacks (median 14 g)
  • Saturated fat0,1 gin the lowest quarter of snacks (median 6,3 g)
  • Sodium4 mgin the lowest quarter of snacks (median 224 mg)
  • Protein per 100 kcal25 gprotein density, useful for comparing foods with different calorie levels

Product details

Brand
Reese's
Barcode
9336336563935
Category
Proteinstænger
NOVA group
4 processing level (1 to 4), as classified by Open Food Facts

Ingredients

PEANUTS, SOLUBLE CORN FIBER, PEANUT FLOUR, MILK PROTEIN ISOLATE, GLYCERIN, MALTITOL, WHEY PROTEIN ISOLATE (MILK), PALM KERNEL OIL, WATER, WHEY PROTEIN CONCENTRATE (MILK), HYDROLYZED WHEY PROTEIN ISOLATE (MILK), SUGAR, CONTAINS 2% OR LESS OF: PARTIALLY DEFATTED PEANUTS, HYDROGENATED VEGETABLE OIL (PALM KERNEL OIL, SOYBEAN OIL), ISOMALTO-OLIGOSACCHARIDES, SKIM MILK, SALT, LECITHIN (SOY), NATURAL & ARTIFICIAL FLAVOR, CORN SYRUP SOLIDS, TAPIOCA STARCH, SUCRALOSE

As listed on the package and transcribed by Open Food Facts contributors. Always check the package for allergens.

Ingredient guides: JordnødderSukkerMælkSalt

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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 One Protein Bar?

100 g of Reese's One Protein Bar has 2 kcal.

How much protein is in Reese's One Protein Bar?

Reese's One Protein Bar contains 0,5 g of protein per 100 g (1 % of the 50 g Daily Value). About 22 % of its calories come from protein. Compared with other snacks, that is in the lowest quarter (median 30 g).

How many carbs are in Reese's One Protein Bar?

Reese's One Protein Bar has 0,6 g of total carbohydrates per 100 g, including 0,6 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 One Protein Bar?

Reese's One Protein Bar contains 0,5 g of fat per 100 g, of which 0,1 g is saturated (0,5 % of the Daily Value).

How much sodium is in Reese's One Protein Bar?

100 g contains 4 mg of sodium, 0,2 % of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From Open Food Facts, record dated 21. marts 2026. FoodFactly last checked it on 6. november 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • Open Food Facts, record 9336336563935. License: ODbL 1.0 (Open Food Facts). Source record dated 21. marts 2026. Imported 6. november 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.