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Mars bar
Mars bar by Mars provides 436 kcal per 100 g, with 57.2 g of sugars and 3.4 g of protein. That is 34% more sugar than the average product in this category. Its Nutri-Score is E and it is classified as NOVA 4 (ultra-processed food). It is listed in the Candy chocolate bars category and comes in a 47g pack. Contains: eggs, gluten, milk, soybeans.
Nutrient levels per 100 g
Levels use UK front-of-pack reference thresholds.
Nutrition facts
Serving size: 1 serving (47 g)
| Nutrient | Per 100 g | Per serving | % DV* | Category avg |
|---|---|---|---|---|
| Calories | 436 kcal | 205 kcal | 507 −14% | |
| Total fat | 16.4 g | 7.7 g | 10% | 29.3 −44% |
| Saturated fat | 7.7 g | 3.6 g | 18% | 16.3 −53% |
| Carbohydrates | 70.4 g | 33.1 g | 12% | 53.5 +32% |
| Total sugars | 57.2 g | 26.9 g | 42.8 +34% | |
| Added sugars | 54.2 g | 25.5 g | 51% | 34 +59% |
| Dietary fiber | 1.3 g | 0.6 g | 2% | 4.1 −69% |
| Protein | 3.4 g | 1.6 g | 3% | 7.1 −52% |
| Salt | 0 g | 0 g | 0.4 −100% |
*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values). Category average across 1145 Candy chocolate bars products on Foodmetria.
Compared with other candy chocolate bars
Bar shows the share of products in this category that contain less of the nutrient.
Ingredients
sugar, wheat glucose syrup, skim milk powder, cocoa butter, cocoa mass, vegetab oil (sunflower), lactose, milk fat, barley malt extract, vegetable fat (palm and shea), cocoa powder, emulsifier (soy lecithin), salt, egg whites, natural flavour (vanilla extract), for malaysia and brunei: contains permitted flavours and emulsifiers, may contain: peanuts and treenuts,
- Allergens
- EggsGlutenMilkSoybeans
- May contain traces
- NutsPeanuts
Additives 2
Overexposure risk is based on EFSA evaluations as recorded by Open Food Facts.
Product details
- Quantity
- 47g
- Serving size
- 1 serving (47 g)
- Sold in
- Australia, France
- Barcode
- 93682459
Prices reported by shoppers
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Recipe & label changes
-
September 30, 2026
- Saturated fat: 8.09 → 7.66
Changes to this product's label data recorded since Foodmetria started tracking it.
Frequently asked questions
How many calories are in Mars bar?
Mars bar contains 436 kcal per 100 g and about 205 kcal per serving (1 serving (47 g)).
How much sugar is in Mars bar?
Mars bar has 57.2 g of sugars per 100 g, which is considered high by UK front-of-pack guidelines.
Is Mars bar healthy?
It has a Nutri-Score of E (A is best, E is worst); it is in NOVA group 4 — ultra-processed food. Scores describe nutritional quality and processing, not suitability for your individual diet.
Is Mars bar vegan?
Based on its ingredient list, it is not vegan.
What allergens does Mars bar contain?
According to the label data it contains: Eggs, Gluten, Milk, Soybeans. It may also contain traces of nuts, peanuts. Recipes change — always check the package label.
Source: Open Food Facts (ODbL). Last updated September 30, 2026. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.
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