Food Groups
Ready & Packaged Foods12 ›Vegetables & Legumes12 ›Desserts & Confectionery8 ›Meat & Protein10 ›Grains & Bakery6 ›Beverages6 ›Milk & Dairy4 ›Natural & Other Foods14 ›Categories
Category
Canned & Jarred ProductsBrowse every food in this category.
Canned & Jarred ProductsSee all products →Category
Packaged Breakfast ProductsBrowse every food in this category.
Packaged Breakfast ProductsSee all products →Category
Other Packaged FoodsBrowse every food in this category.
Other Packaged FoodsSee all products →Category
Radishes & BrassicasBrowse every food in this category.
Radishes & BrassicasSee all products →Category
Ice Cream & Frozen DessertsBrowse every food in this category.
Ice Cream & Frozen DessertsSee all products →Category
Puddings & Cream DessertsBrowse every food in this category.
Puddings & Cream DessertsSee all products →Category
Plant Protein & TofuBrowse every food in this category.
Plant Protein & TofuSee all products →Category
Protein Products & PowdersBrowse every food in this category.
Protein Products & PowdersSee all products →Category
Other High-Protein FoodsBrowse every food in this category.
Other High-Protein FoodsSee all products →Category
Bread & Grain BakeryBrowse every food in this category.
Bread & Grain BakerySee all products →Category
Oats & Breakfast CerealsBrowse every food in this category.
Oats & Breakfast CerealsSee all products →Category
Wheat, Flour & BulgurBrowse every food in this category.
Wheat, Flour & BulgurSee all products →Category
Fruit & Vegetable JuicesBrowse every food in this category.
Fruit & Vegetable JuicesSee all products →Category
Water & Mineral WaterBrowse every food in this category.
Water & Mineral WaterSee all products →Category
Energy, Sports, Smoothie & OtherBrowse every food in this category.
Energy, Sports, Smoothie & OtherSee all products →Category
Yoghurt, Kefir & AyranBrowse every food in this category.
Yoghurt, Kefir & AyranSee all products →Category
Butter, Cream & OtherBrowse every food in this category.
Butter, Cream & OtherSee all products →Category
Other / Processed SeafoodBrowse every food in this category.
Other / Processed SeafoodSee all products →Category
Other / Dried FruitsBrowse every food in this category.
Other / Dried FruitsSee all products →Category
Herbs & Spice BlendsBrowse every food in this category.
Herbs & Spice BlendsSee all products →
🍫
Mars Bar Calories
Milk chocolate bar with caramel and nougat
CALORIES
GI
POTASSIUM
FIBER
Mars Bar Nutrition Facts
Selected: 100 g
448
KCAL / 100G
Carbs
70.1g
· 64%
Protein
3.6g
· 3%
Fat
16.3g
· 33%
Fiber
1.2g
Mars Bar Vitamins & Minerals
Vitamins
B2
0.13mg · 10% DV
B12
0.2µg · 8% DV
Biotin
1.5µg · 5% DV
B1
0.05mg · 4% DV
Minerals
Phosphorus
90mg · 13% DV
Calcium
110mg · 11% DV
Zinc
1mg · 9% DV
Iron
1mg · 6% DV
Mars Bar Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Mars 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 Bar Contain Allergens?
Contains these allergens:
Which Diets Is Mars 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 Bar Fat Profile
SATURATED
8.5g
MONOUNSATURATED
4.7g
POLYUNSATURATED
1.1g
Omega 6:3 ratio 40:1
Above the ideal 4:1 (40:1).
Foods Similar to Mars Bar
Mars Bar — Frequently Asked Questions
Is a Mars Bar better before or after a workout?
Because it provides quickly available carbohydrate, it can be more useful before exercise when you need fast energy. After training, it is less ideal on its own and works better if paired with a protein-rich food.
Does a Mars Bar keep you full for long?
Usually not for very long. Its sweet, ultra-processed profile may satisfy a craving briefly but often does not provide lasting fullness.
Is it a good idea to eat a Mars Bar with coffee?
Some people like the combination as a quick sweet snack. But if you are sensitive to caffeine or sugary foods, the pairing may feel too stimulating or uncomfortable on the stomach.
Should Mars Bar be stored in the fridge?
Not necessarily; a cool, dry place is usually enough. Refrigeration can make the chocolate harder and change the texture of the caramel.
Can you freeze a Mars Bar?
Yes, you can freeze it. After thawing, the chocolate may develop a whitish surface or a different texture, which is usually a quality issue rather than a safety one.
How long does a Mars Bar keep once opened?
For best quality, eat it soon after opening. If left exposed, it can dry out, absorb odors, and lose its original texture.
Why can a Mars Bar trigger more sweet cravings?
Very sweet foods can make some people want more sweet foods rather than fully satisfy the urge. This can be more noticeable when they are eaten often.
What can you pair with a Mars Bar to make it more balanced?
Pairing it with yogurt, milk, or a handful of nuts can make the snack feel more balanced. Adding protein or fat may help slow down how quickly you want another sweet snack.
Is a Mars Bar a good everyday snack for children?
It is better as an occasional treat than a daily habit. Ultra-processed sweets can easily displace more nutritious snack options in a child's routine.
Who should be especially careful with Mars Bar?
Anyone with dairy or soy allergy should avoid it because it contains those allergens. People who are trying to manage blood sugar, portion control, or frequent sweet cravings may also want to be more cautious.
Have another question about Mars Bar?
Ask the AI nutrition coach — calories, portions, alternatives and more, answered in seconds in the app.
Scan calories with your camera
Instant AI nutrition analysis
Nutrition data compiled from USDA FoodData Central and scientific sources.