Special K Snack Bar

Packaged product Snacks Kellogg’s special k

Special K Snack Bar contains 457 kcal per 100 g. A serving, 35.0 g (35 g) provides about 160 kcal.

Roughly 59% of its calories come from fat, with 26% from carbohydrates and 15% from protein (estimated with general energy factors).

That is close to the median for snacks on FoodFactly (457 kcal per 100 g).

100 g provides 23% of the Daily Value for iron.

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

Special K Snack Bar by Kellogg’s special k, product photo
Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors
457kcal per 100 g
20 gprotein
34.3 gcarbohydrates
34.3 gfat
160kcal in serving, 35.0 g (35 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 457 kcal
Total fat L 34.3 g 44%
Saturated fat L 8.6 g 43%
Trans fat L 0 g
Cholesterol L 0 mg 0%
Sodium L 357 mg 16%
Total carbohydrates L 34.3 g 12%
Dietary fiber L 25.7 g 92%
Total sugars L 2.9 g
Added sugars L 0 g 0%
Protein L 20 g 40%
Calcium L 114 mg9%
Iron L 4.1 mg23%
Potassium L 200 mg4%

% 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: 15%Carbohydrates: 26%Fat: 59%457kcal / 100 g
  • Protein 15%
  • Carbohydrates 26%
  • Fat 59%

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

Iron23%Calcium9%Potassium4%

Nutritional insights

  • Protein20 gin the top quarter of snacks (median 7.5 g)
  • Fiber25.7 gin the top quarter of snacks (median 4 g)
  • Sugars2.9 gbelow the median for snacks (median 4.5 g)
  • Fat34.3 gin the top quarter of snacks (median 20.9 g)
  • Saturated fat8.6 gin the top quarter of snacks (median 3.6 g)
  • Sodium357 mgbelow the median for snacks (median 424 mg)
  • Protein per 100 kcal4.4 gprotein density, useful for comparing foods with different calorie levels

Full nutrient profile

Carotenoids (1)
Vitamin D (D2 + D3), International Units L0 IU
Other components (1)
Total sugar alcohols L3 g

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 457 kcal457 kcal
Protein 20 g20 g
Carbohydrates 34.3 g34.3 g
Fat 34.3 g34.3 g
Fiber 9 g25.7 g
Sugars 2.9 g2.9 g
Sodium 357 mg357 mg

Product details

Brand
Kellogg’s special k
Barcode
0038000238253
Label serving
35.0 g
Category
Snacks

Ingredients

Ingredients not reported.

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Per 100 g. Calories in kcal. n/a: not reported by the source.

Source of the nutrition information

  • USDA FoodData Central: Branded Foods, record 1993324. License: CC0 1.0 (U.S. public domain). Source record dated February 19, 2021. Imported November 6, 2026.
  • Open Food Facts, record 0038000238253. License: ODbL 1.0 (Open Food Facts). Source record dated May 22, 2025. Imported November 7, 2026.

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

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

Frequently asked questions

How many calories are in Special K Snack Bar?

100 g of Special K Snack Bar has 457 kcal. Serving, 35.0 g (35 g): about 160 kcal.

Is Special K Snack Bar high in protein?

Special K Snack Bar contains 20 g of protein per 100 g (40% of the 50 g Daily Value), or 7 g in serving, 35.0 g (35 g). About 15% of its calories come from protein. Compared with other snacks, that is among the highest quarter (median 7.5 g).

How many carbs are in Special K Snack Bar?

Special K Snack Bar has 34.3 g of total carbohydrates per 100 g, including 25.7 g of fiber and 2.9 g of sugars.

How much fat is in Special K Snack Bar?

Special K Snack Bar contains 34.3 g of fat per 100 g, of which 8.6 g is saturated (43% of the Daily Value).

What vitamins and minerals does Special K Snack Bar contain?

Per 100 g, the most notable amounts relative to the Daily Value are iron (23% DV). The full list is in the vitamins and minerals table above.

How much sodium is in Special K Snack Bar?

100 g contains 357 mg of sodium, 16% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From USDA FoodData Central: Branded Foods, record dated May 22, 2025. FoodFactly last checked it on November 7, 2026. Each value above shows whether it was measured, calculated or taken from a label.