Reese's King SizeNutrageous Bar

Packaged product Sweets og Desserter Reese's

Reese's King SizeNutrageous Bar contains 517 kcal per 100 g. A serving, 0.333 pack, 29 g (29 g) provides about 150 kcal.

Roughly 52 % of its calories come from fat, with 41 % from carbohydrates and 8 % from protein (estimated with general energy factors).

That is more energy than the typical item in sweets og desserter on FoodFactly, where the median is 431 kcal per 100 g across 1.726 products.

100 g provides 19 % of the Daily Value for jern.

The values are label data submitted by the manufacturer to USDA FoodData Central.

Reese's King SizeNutrageous Bar by Reese's, product photo
Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors
517kcal per 100 g
10,3 gprotein
55,2 gcarbohydrates
31 gfat
150kcal in serving, 0.333 pack, 29 g (29 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 517 kcal
Total fat L 31 g 40 %
Saturated fat L 10,3 g 52 %
Trans fat L 0 g
Cholesterol L 0 mg 0 %
Sodium L 138 mg 6 %
Total carbohydrates L 55,2 g 20 %
Dietary fiber L 3,4 g 12 %
Total sugars L 44,8 g
Added sugars L 41,4 g 83 %
Protein L 10,3 g 21 %
Vitamin D L 0 µg0 %
Calcium L 69 mg5 %
Jern L 3,5 mg19 %
Kalium L 379 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: 8 %Carbohydrates: 41 %Fat: 52 %517kcal / 100 g
  • Protein 8 %
  • Carbohydrates 41 %
  • Fat 52 %

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

Jern19 %Kalium8 %Calcium5 %Vitamin D0 %

Nutritional insights

  • Protein10,3 gabove the median for sweets og desserter (median 8 g)
  • Fiber3,4 gbelow the median for sweets og desserter (median 6,1 g)
  • Sugars44,8 gin the top quarter of sweets og desserter (median 30 g)
  • Fat31 gin the top quarter of sweets og desserter (median 19,1 g)
  • Saturated fat10,3 gabove the median for sweets og desserter (median 6 g)
  • Sodium138 mgabove the median for sweets og desserter (median 132 mg)
  • Protein per 100 kcal2 gprotein density, useful for comparing foods with different calorie levels

Full nutrient profile

Carotenoids (1)
D-vitamin (D2 + D3), internationale enheder L0 IU

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 FactsUSDA Branded
Calories 517 kcal517 kcal
Protein 10,3 g10,3 g
Carbohydrates 55,2 g55,2 g
Fat 31 g31 g
Fiber 3,5 g3,4 g
Sugars 44,8 g44,8 g
Sodium 138 mg138 mg

Product details

Brand
Reese's
Barcode
03465303
Quantity
3.1 oz
Label serving
0.333 pack (29 g)
Category
Barer
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; milk; lactose; skim milk; milk fat; lecithin (soy); pgpr]; peanuts; high fructose corn syrup; sugar; dextrose; sorbitol; contains 2% or less of: high maltose corn syrup; palm kernel oil; salt; whey (milk); corn syrup; whey protein concentrate (milk); sodium caseinate (milk); artificial flavor; mono - and diglycerides; 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: JordnødderSukkerSaltKakaosmørMælk

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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 King SizeNutrageous Bar?

100 g of Reese's King SizeNutrageous Bar has 517 kcal. Serving, 0.333 pack, 29 g (29 g): about 150 kcal.

Is Reese's King SizeNutrageous Bar high in protein?

Reese's King SizeNutrageous Bar contains 10,3 g of protein per 100 g (21 % of the 50 g Daily Value), or 3 g in serving, 0.333 pack, 29 g (29 g). About 8 % of its calories come from protein. Compared with other sweets og desserter, that is above the median (median 8 g).

How many carbs are in Reese's King SizeNutrageous Bar?

Reese's King SizeNutrageous Bar has 55,2 g of total carbohydrates per 100 g, including 3,4 g of fiber and 44,8 g of sugars.

How much fat is in Reese's King SizeNutrageous Bar?

Reese's King SizeNutrageous Bar contains 31 g of fat per 100 g, of which 10,3 g is saturated (52 % of the Daily Value).

What vitamins and minerals does Reese's King SizeNutrageous Bar contain?

Per 100 g, the most notable amounts relative to the Daily Value are jern (19 % DV). The full list is in the vitamins and minerals table above.

How much sodium is in Reese's King SizeNutrageous Bar?

100 g contains 138 mg of sodium, 6 % of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From USDA FoodData Central: Branded Foods, record dated 24. september 2025. 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 03465303. License: ODbL 1.0 (Open Food Facts). Source record dated 24. september 2025. Imported 6. november 2026.
  • USDA FoodData Central: Branded Foods, record 723556. License: CC0 1.0 (U.S. public domain). Source record dated 14. juni 2018. Imported 6. november 2026.

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

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