Bars & protein snacks · Nutrition facts

Kellogg's Special K Protein Bars Chocolate Peanut Butter 1.59 oz

400 calories and 26.7 g of protein per 100 g. Reported fiber: 13.3 g.

Manufacturer labelLabel updated Mar 2026Kellogg's

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Kellogg's Special K Protein Bars Chocolate Peanut Butter 1.59oz

Source category
Processed Cereal Products
Nutrition basis
Per 100 g
Barcode / GTIN
00038000000102
Source record
USDA FDC 2758833
Publication date
Apr 2026
Manufacturer serving
45 grm · 1 Bar

On a 100 g basis, this record has more protein than 94% of 611 other complete bars & protein snacks profiles.

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What’s in it?

INGREDIENTS: SOY PROTEIN ISOLATE, POLYDEXTROSE, CORN SYRUP, PEANUTS, VEGETABLE OIL (soybean, palm and palm kernel), SUGAR, PEANUT BUTTER (peanuts), MALTITOL, SEMI-SWEET CHOCOLATE (cane sugar, chocolate, cocoa butter, soy lecithin, vanilla extract), COCOA PROCESSED WITH ALKALI, CONTAINS 2% OR LESS OF fructose, vegetable glycerin, whey, natural flavors, pectin, sea salt, sorbitol, salt, soy lecithin, steviol glycosides, rosemary extract for freshness, almond flour, wheat starch. VITAMINS AND MINERALS: Calcium carbonate, vitamin C (ascorbic acid), vitamin E acetate, iron, vitamin A palmitate, vitamin D3.

Ingredients as supplied in this source record. This text does not establish allergen safety or cross-contact information.
The source matters

These values come from manufacturer labels and may reflect label rounding. A record update does not necessarily mean the recipe changed. Check the package for the current formulation.

Read about this dataset
Your portion, your numbers
180calories
in 45 g
NutrientAmountDaily value
Protein12 g—
Carbohydrate19 g7%
Fat8 g10%
Fiber6 g21%
Total sugars6 g—
Sodium210 mg9%
Saturated fat4 g20%
Potassium160 mg3%
Calcium320 mg25%
Iron4.5 mg25%
Magnesium——
Vitamin C15 mg17%
Vitamin D2.3 µg11%
Estimated energy from macros
Protein 24%Carbs 39%Fat 37%

Uses 4 kcal/g for protein and carbohydrate, 9 for fat. Fiber, alcohol, and label rounding can make this differ from reported calories.

Daily values use the FDA adult reference for a 2,000-calorie diet. Your needs may differ. A dash means no reported value or no daily value shown.

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Same broad food category

This food: 13.3 g protein in 50 g. Choices below have more on this basis.

These are nutrition comparisons, not equivalent ingredients. Check preparation, taste, serving size, and the current package before making a substitution.

Follow the source record

Label history, without the guesswork.

Records sharing a validated barcode. Updates may be corrections rather than recipe changes.

RecordUpdatedBasisCaloriesProteinSodium
Kellogg's Special K Protein Bars Chocolate Peanut Butter 1.59ozFDC 2758833Mar 2026100 g40026.7 g467 mg
Kellogg's Special K Protein Bars Chocolate Peanut Butter 1.59ozFDC 2752336Jan 2026100 g40026.7 g467 mg
Kellogg's Special K Protein Bars Chocolate Peanut Butter 1.59ozFDC 2746672Oct 2025100 g40026.7 g467 mg
Kellogg's Special K Protein Bars Chocolate Peanut Butter 1.59ozFDC 2741610Jul 2025100 g40026.7 g467 mg
Kellogg's Special K Protein Bars Chocolate Peanut Butter 1.59ozFDC 2739586May 2025100 g42226.7 g511 mg
Kellogg's Special K Protein Bars Chocolate Peanut Butter 1.59ozFDC 2721106Nov 2024100 g42326.5 g522 mg
Kellogg's Special K Protein Bars Chocolate Peanut Butter 1.59ozFDC 2699011May 2024100 g42326.5 g522 mg
Kellogg's Special K Protein Bars Chocolate Peanut Butter 1.59ozFDC 2651241Sep 2023100 g42326.5 g522 mg

Source values per 100 units in that historical record. A serving-unit change can affect comparability; follow the original record to check its basis. Showing 8 of 15 records.

All 17 reported nutrient values Per 100 g
NutrientAmountUSDA identifier
Energy400 kcal1008
Protein26.67 g1003
Total lipid (fat)17.78 g1004
Carbohydrate, by difference42.22 g1005
Fiber, total dietary13.3 g1079
Sugars, Total13.33 g2000
Sugars, added13.3 g1235
Calcium, Ca711 mg1087
Iron, Fe10 mg1089
Potassium, K356 mg1092
Sodium, Na467 mg1093
Vitamin C, total ascorbic acid33.3 mg1162
Vitamin A, RAE500 µg1106
Vitamin D (D2 + D3)5 µg1114
Fatty acids, total saturated8.89 g1258
Fatty acids, total trans0 g1257
Cholesterol0 mg1253