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Mars Chocolate Bar Calories
Caramel, nougat, milk chocolate coated bar
CALORIES
GI
POTASSIUM
FIBER
Quick answer
1 piece (medium) of Mars Chocolate Bar (51 g) has 228 calories. That works out to 448 calories per 100 g. It contains 35.7 g of carbs, 2 g of protein, 8.2 g of fat and 0.6 g of fiber. Its 0.1 mg of Copper covers 11% of the Daily Value. Its glycemic index is 65 (high), so it raises blood sugar quickly.
What is Mars Chocolate Bar?
The Mars Chocolate Bar is a packaged confection made with a soft nougat centre, a layer of caramel and a milk-chocolate coating. It was first made in the United Kingdom and is now sold in many countries; the familiar bar has a rounded rectangular shape and distinct layers when cut.
Its texture is soft and chewy, with sweet caramel balanced by the chocolate shell. It is commonly eaten as a snack or treat, including alongside tea or coffee. Nutritionally, it is high in carbohydrate and relatively low in protein, so it is better thought of as a sweet than a filling snack. If you want a smaller treat, share a bar or save part for later; unsweetened tea or coffee makes a less-sweet pairing.
Mars Chocolate Bar Nutrition Facts
Selected: 100 g
448
KCAL / 100G
Carbs
70g
· 25% DV
Protein
4g
· 8% DV
Fat
16g
· 21% DV
Fiber
1.2g
· 4% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 64% · Protein 4% · Fat 32%
Mars Chocolate Bar Vitamins & Minerals
Vitamins
B2
0.18mg · 14% DV
B12
0.3µg · 13% DV
Biotin
2µg · 7% DV
Vitamin E
0.7mg · 5% DV
Minerals
Phosphorus
90mg · 13% DV
Calcium
120mg · 12% DV
Zinc
1mg · 9% DV
Magnesium
30mg · 7% DV
How Nutritious Is Mars Chocolate Bar?
Nutrient density
Low
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Satiety score
Low
An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.
Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.
Mars Chocolate Bar Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Mars Chocolate Bar
To burn the 448 calories in 100 g:
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
Is Mars Chocolate Bar Processed?
NOVA 4
Ultra-Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does Mars Chocolate Bar Contain Allergens?
Contains these allergens:
Which Diets Is Mars Chocolate Bar Good For?
Vegan
— Not suitable
Vegetarian
✓ Suitable
Gluten-Free
— Not suitable
Dairy-Free
— Not suitable
Mediterranean
— Not suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
Mars Chocolate Bar Fat Profile
SATURATED
9g
MONOUNSATURATED
4.5g
POLYUNSATURATED
1.2g
Omega 6:3 ratio 30:1
Above the ideal 4:1 (30:1).
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Frequently Asked Questions About Mars Chocolate Bar
What is inside a Mars Chocolate Bar?
A Mars Chocolate Bar has a milk chocolate coating around layers of soft nougat and caramel. That combination gives it its characteristic chewy, sweet centre; recipes can vary slightly between markets.
Is a Mars Chocolate Bar the same as a US Milky Way?
No, they are not exactly the same product. The US Milky Way is a close counterpart to the Mars bar sold in many other countries, but names and recipes differ by market.
Is a Mars Chocolate Bar vegan?
No, a standard Mars Chocolate Bar is not vegan because it contains milk ingredients, including milk chocolate. Recipes vary between countries, but the familiar version is made with dairy.
Does a Mars Chocolate Bar contain gluten?
It may contain gluten, so it cannot be treated as gluten-free worldwide. Some regional recipes include barley malt extract, and ingredients vary by market; people with coeliac disease should use the product-specific ingredient information.
How is a Mars Chocolate Bar made?
Nougat and caramel are formed into layers, then covered with milk chocolate to make a Mars Chocolate Bar. Commercial production uses machinery to shape and coat the filling; the layered texture is what distinguishes it from a plain chocolate bar.
Does a Mars Chocolate Bar contain caffeine?
Yes, it contains a small amount of naturally occurring caffeine from cocoa in the chocolate coating. It is not a caffeine-free sweet, though it is not generally treated as a major caffeine source.
Can you freeze a Mars Chocolate Bar?
Yes, you can freeze a Mars Chocolate Bar, but its texture may change as it thaws. Keep it wrapped to protect it from moisture and food odours, and let it soften before biting into the firm caramel.
How should you store a Mars Chocolate Bar?
Store a Mars Chocolate Bar in a cool, dry place away from direct sunlight and strong smells. Warm conditions can soften the caramel and chocolate, while refrigeration may cause condensation when the bar is brought back to room temperature.
Can you melt a Mars Chocolate Bar for baking?
Yes, you can melt a Mars Chocolate Bar for baking, but the nougat and caramel make it thicker and less uniform than plain chocolate. Heat it gently in short intervals and stir often to reduce scorching.
Can dogs eat a Mars Chocolate Bar?
No, dogs should not eat a Mars Chocolate Bar. Chocolate can be toxic to dogs, and the bar also contains a lot of sugar; contact a veterinarian promptly if your dog has eaten any.
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Nutrition data compiled from USDA FoodData Central and scientific sources.