Mars

Mars — Calories, Nutrition & Ingredients

4 * 51 g (204 g) UPC 5000159481090 Bars Updated 16 Oct 2026

Mars
Photo: Open Food Facts contributors, CC BY-SA 3.0
Calories
446per 100 g
Protein
4.3 gper 100 g
Carbs
69.3 gper 100 g
Fat
16.9 gper 100 g

Where to buy

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Per serving (51 g): 228 calories. Per 100 g: 446 calories, 4.3 g protein, 16.9 g fat.

Label highlights: Fat: medium Saturates: high Sugars: high Salt: medium HFSS

Red means high in the UK front-of-pack traffic-light system. These colours are our calculation from the declared values, not a label on the pack. In this product:

  • Saturates: 8.20 g per 100 g (red above 5 g)
  • Sugars: 59.90 g per 100 g (red above 22.50 g)
Calculated from the nutrition data on file; check the package label. How the traffic-light colours work »

Nutrition

Portion size: 51 g

Typical valuesPer 100 gPer portion (%RI*)
Energy 1868 kJ / 447 kcal 953 kJ / 228 kcal (11%)
Fat 16.9 g 8.6 g (12%)
of which saturates 8.2 g 4.2 g (21%)
Carbohydrate 69.3 g 35.3 g (14%)
of which sugars 59.9 g 30.5 g (34%)
Protein 4.3 g 2.2 g (4%)
Salt 0.39 g 0.20 g (3%)

*Reference intake of an average adult (8400 kJ / 2000 kcal)

Calculated from Open Food Facts per-100 g data for the stated serving; values may differ slightly from the package label because of rounding.

Per 100 g and custom amounts

Nutrition per amount

446 calories in 100 g
Protein4.3 g
Carbohydrates69.3 g
Sugars59.9 g
Fat16.9 g
Saturated fat8.2 g
Sodium156 mg

Data: Open Food Facts (ODbL) · Photo: Open Food Facts contributors (CC BY-SA)

Where to buy Mars

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Ingredients

Allergens

May contain: Peanuts

Frequently asked questions

How many calories are in Mars?

Per 100 g of Mars there are 446 calories.

How much protein is in Mars?

Per 100 g of Mars there are 4.3 g protein.

How many carbohydrates are in Mars?

Per 100 g of Mars there are 69.3 g carbohydrates. Of which 59.9 g sugars.

How much sugar is in Mars?

Per 100 g of Mars there are 59.9 g sugars.

How much sodium (salt) is in Mars?

Per 100 g of Mars there are 156.0 mg sodium. UK guidance is for adults to eat no more than 6 g of salt (about 2,400 mg of sodium) a day.

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