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Mars protein
Mars protein by Mars provides 351 kcal per 100 g, with 23 g of sugars and 33 g of protein. That is 96% more sugar than the average product in this category. It is classified as NOVA 4 (ultra-processed food). It is listed in the Protein bars category and comes in a 57g pack. Contains: eggs, gluten, milk, soybeans.
Nutrient levels per 100 g
Levels use UK front-of-pack reference thresholds.
Nutrition facts
Serving size: 57 g
| Nutrient | Per 100 g | Per serving | % DV* | Category avg |
|---|---|---|---|---|
| Calories | 351 kcal | 200 kcal | 383 −8% | |
| Total fat | 8.1 g | 4.6 g | 6% | 15.7 −48% |
| Saturated fat | 4.5 g | 2.6 g | 13% | 7 −36% |
| Carbohydrates | 39 g | 22.2 g | 8% | 33.9 +15% |
| Total sugars | 23 g | 13.1 g | 11.8 +96% | |
| Added sugars | 2.5 g | 1.4 g | 3% | 6.1 −60% |
| Dietary fiber | 0 g | 0 g | 0% | 9.7 −100% |
| Protein | 33 g | 18.8 g | 38% | 29.5 +12% |
| Salt | 0.7 g | 0.4 g | 0.7 |
*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values). Category average across 4038 Protein bars products on Foodmetria.
Compared with other protein bars
Bar shows the share of products in this category that contain less of the nutrient.
Ingredients
Barre riche en protéines avec une couche de caramel, et enrobée de chocolat au lait (57g). Ingrédients•. Mélange de protéines (27%) (isolat de protéine de SOJA, isolat de protéine de LAIT, poudre de LAIT écrémé, concentré de protéine de lactosérum (LAIT), albumine d'ŒUF, émulsifiant (lécithine de SOJA)), caramel (16%) (LAIT concentré sucré écrémé, sirop de glucose, sirop de sucre inverti, huile de palme, beurre (LAIT), sucre, émulsifiant (E471 ), stabilisant (pectine), sel, arôme naturel), chocolat au LAIT (15%) (sucre, beurre de cacao, poudre de LAIT écrémé, masse de cacao, lactose (LAIT), protéine de lactosérum (LAIT), graisse de de lactosérum (LAIT), matière grasse du LAIT, émulsifiant (lécithine de SOJA), extrait de vanille), collagène hydrolysé (12%), humectant (glycérol), fructo-otigosaccharide, humectant (maftitol), arômes, cacao maigre en poudre, extrait de malt d'ORGE, sel. contenir des traces d'arachides, d'amandes, de noisettes et de noix de pécan. Ne "Sonvient pas aux végétariens.
- Allergens
- EggsGlutenMilkSoybeans
- May contain traces
- NutsPeanutsSchalenfrüchte
Additives 5
Overexposure risk is based on EFSA evaluations as recorded by Open Food Facts.
Product details
- Quantity
- 57g
- Serving size
- 57 g
- Sold in
- France, Germany, Italy, Switzerland
- Barcode
- 5060402902376
Prices reported by shoppers
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Frequently asked questions
How many calories are in Mars protein?
Mars protein contains 351 kcal per 100 g and about 200 kcal per serving (57 g).
How much sugar is in Mars protein?
Mars protein has 23 g of sugars per 100 g, which is considered high by UK front-of-pack guidelines.
Is Mars protein healthy?
It is in NOVA group 4 — ultra-processed food. Scores describe nutritional quality and processing, not suitability for your individual diet.
Is Mars protein vegan?
Based on its ingredient list, it is not vegan.
What allergens does Mars protein contain?
According to the label data it contains: Eggs, Gluten, Milk, Soybeans. It may also contain traces of nuts, peanuts, schalenfrüchte. Recipes change — always check the package label.
Source: Open Food Facts (ODbL). Last updated March 19, 2026. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.
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