How many calories are in mars 51 gr?

100 g of mars 51 gr has 442 kcal. Serving, 51 g (51 g): about 225 kcal.

How much protein is in mars 51 gr?

Mars 51 gr contains 4.3 g of protein per 100 g (9% of the 50 g Daily Value), or 2.2 g in serving, 51 g (51 g). About 4% of its calories come from protein. Compared with other sweets and desserts, that is in the lowest quarter (median 8.2 g).

How many carbs are in mars 51 gr?

Mars 51 gr has 70.6 g of total carbohydrates per 100 g. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.

How much fat is in mars 51 gr?

Mars 51 gr contains 15.9 g of fat per 100 g.

How much sodium is in mars 51 gr?

100 g contains 263 mg of sodium, 11% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From Open Food Facts, record dated October 25, 2026. FoodFactly last checked it on November 12, 2026. Each value above shows whether it was measured, calculated or taken from a label.

mars 51 gr

Packaged product Sweets and Desserts (株)Mars

Mars 51 gr contains 442 kcal per 100 g. A serving, 51 g (51 g) provides about 225 kcal.

Roughly 64% of its calories come from carbohydrates, with 32% from fat and 4% from protein (estimated with general energy factors).

That is close to the median for sweets and desserts on FoodFactly (435 kcal per 100 g).

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

Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors

442kcal per 100 g

4.3 gprotein

70.6 gcarbohydrates

15.9 gfat

225kcal in serving, 51 g (51 g)

Nutrition facts

Amount

Nutrition facts for the selected amount
Nutrient	Amount per 100 g	% DV
Calories L	442 kcal
Total fat L	15.9 g	20%
Saturated fat	not reported
Sodium L	263 mg	11%
Total carbohydrates L	70.6 g	26%
Dietary fiber	not reported
Total sugars	not reported
Protein L	4.3 g	9%

% 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 4%
Carbohydrates 64%
Fat 32%

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

Nutritional insights

Protein4.3 gin the lowest quarter of sweets and desserts (median 8.2 g)
Fat15.9 gbelow the median for sweets and desserts (median 20 g)
Sodium263 mgin the top quarter of sweets and desserts (median 125 mg)
Protein per 100 kcal0.98 gprotein density, useful for comparing foods with different calorie levels

Product details

Brand: (株)Mars
Barcode: 5900951313417
Quantity: 51g
Label serving: 51 g
Category: Bars

Ingredients

Ingredients not reported.

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Peanut Butter Breakfast Bar Over easy	442	21.2 g	46.2 g	21.2 g
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Per 100 g. Calories in kcal. n/a: not reported by the source.

Source of the nutrition information

Open Food Facts, record 5900951313417. License: ODbL 1.0 (Open Food Facts). Source record dated October 25, 2026. Imported November 12, 2026.

Last updated: November 12, 2026. Data quality score: 75/100 (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.