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Mars
Mars by Mars provides 443 kcal per 100 g, with 65 g of sugars and 4.5 g of protein. That is 52% more sugar than the average product in this category. It is listed in the Candy chocolate bars category.
Nutrient levels per 100 g
Levels use UK front-of-pack reference thresholds.
Nutrition facts
Serving size: 1 portion (40 g)
| Nutrient | Per 100 g | Per serving | % DV* | Category avg |
|---|---|---|---|---|
| Calories | 443 kcal | 177 kcal | 507 −13% | |
| Total fat | 16 g | 6.4 g | 8% | 29.3 −45% |
| Carbohydrates | 70 g | 28 g | 10% | 53.5 +31% |
| Total sugars | 65 g | 26 g | 42.8 +52% | |
| Protein | 4.5 g | 1.8 g | 4% | 7.1 −36% |
| Salt | 0.7 g | 0.3 g | 0.4 +63% |
*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values). Category average across 1147 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.
Product details
- Serving size
- 1 portion (40 g)
- Sold in
- United Kingdom
- Barcode
- 5000159604826
Prices reported by shoppers
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Frequently asked questions
How many calories are in Mars?
Mars contains 443 kcal per 100 g and about 177 kcal per serving (1 portion (40 g)).
How much sugar is in Mars?
Mars has 65 g of sugars per 100 g, which is considered high by UK front-of-pack guidelines.
Source: Open Food Facts (ODbL). Last updated August 23, 2026. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.
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