Mars

Mars SNACKSIZE BARS — Calories, Nutrition & Ingredients

UPC 5000159571500 Updated 16 Oct 2026

Mars SNACKSIZE BARS
Photo: Open Food Facts contributors, CC BY-SA 3.0
Calories
149per serving
Protein
4.5 gper 100 g
Carbs
70 gper 100 g
Fat
16 gper 100 g

Where to buy

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Per serving (33.8 g): 149 calories. Per 100 g: 442 calories, 4.5 g protein, 16 g fat.

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

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: 7.50 g per 100 g (red above 5 g)
  • Sugars: 61 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: 33.8 g

Per 100 gPer portion (%RI*)
Energy 1849 kJ / 442 kcal 625 kJ / 149 kcal (7%)
Fat 16 g 5.4 g (8%)
of which saturates 7.5 g 2.5 g (13%)
Carbohydrate 70 g 23.7 g (9%)
of which sugars 61 g 20.6 g (23%)
Fibre 0.0 g 0.0 g
Protein 4.5 g 1.5 g (3%)
Salt 0.67 g 0.23 g (4%)

*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

442 calories in 100 g
Protein4.5 g
Carbohydrates70 g
Sugars61 g
Added sugars76.8 g
Fibre0.0 g
Fat16 g
Saturated fat7.5 g
Cholesterol1.5 mg
Sodium268 mg
Calcium148 mg
Potassium208 mg
Iron0.1 mg
Vitamin A1.1 mcg
Vitamin C0.7 mg
Vitamin D0.0 mcg

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

Where to buy Mars SNACKSIZE BARS

Search Amazon for this product. Stock and prices vary by store and location.

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Ingredients

Barley malt extract, Cocoa butter, Cocoa paste, Emulsifier, Fat reduced cocoa powder, Glucose syrup, Lecithin, Milkfat, Palm fat, Powdered egg white, Salt, Skimmed milk powder, Soya lecithin, Sugar, Sunflower oil, Whey permeate

Allergens

Contains: Milk

May contain: Nuts, Peanuts

Frequently asked questions

How many calories are in Mars SNACKSIZE BARS?

Per 100 g of Mars SNACKSIZE BARS there are 442 calories.

How much protein is in Mars SNACKSIZE BARS?

Per 100 g of Mars SNACKSIZE BARS there are 4.5 g protein.

How many carbohydrates are in Mars SNACKSIZE BARS?

Per 100 g of Mars SNACKSIZE BARS there are 70.0 g carbohydrates. Of which 61.0 g sugars.

How much sugar is in Mars SNACKSIZE BARS?

Per 100 g of Mars SNACKSIZE BARS there are 61.0 g sugars.

How much sodium (salt) is in Mars SNACKSIZE BARS?

Per 100 g of Mars SNACKSIZE BARS there are 268.0 mg sodium. UK guidance is for adults to eat no more than 6 g of salt (about 2,400 mg of sodium) a day.

How much fibre is in Mars SNACKSIZE BARS?

Per 100 g of Mars SNACKSIZE BARS there are 0.027 g fibre. Fibre is important for digestive health.

What are the main ingredients in Mars SNACKSIZE BARS?

The main ingredients in Mars SNACKSIZE BARS are: Barley malt extract, Cocoa butter, Cocoa paste, Emulsifier, Fat reduced cocoa powder.

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Level of processing

4
Highly Processed
16 ingredients · 1 food additive
UnprocessedUltra-processed

Nutrition breakdown

Macronutrients

Types of fat

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