Mars Duo — Calories, Nutrition & Ingredients
- Calories
- 210per serving
- Protein
- 1.8 gper 100 g
- Carbs
- 27 gper 100 g
- Fat
- 6.3 gper 100 g
Where to buy
Paid links: we may earn a commission at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. About these linksPer serving (39.4 g): 210 calories. Per 100 g: 532 calories, 1.8 g protein, 6.3 g fat.
Red means high in the UK front-of-pack traffic-light system. These colours are our calculation from the declared values, not a label on the pack. In this product:
- Sugars: 24 g per 100 g (red above 22.50 g)
Nutrition
Portion size: 39.4 g
| Typical values | Per 100 g | Per portion (%RI*) |
|---|---|---|
| Energy | 2226 kJ / 532 kcal | 877 kJ / 210 kcal (10%) |
| Fat | 6.3 g | 2.5 g (4%) |
| of which saturates | 3 g | 1.2 g (6%) |
| Carbohydrate | 27 g | 10.6 g (4%) |
| of which sugars | 24 g | 9.5 g (11%) |
| Fibre | 0.0 g | 0.0 g |
| Protein | 1.8 g | 0.7 g (1%) |
| Salt | 0.67 g | 0.26 g (4%) |
*Reference intake of an average adult (8400 kJ / 2000 kcal)
Calculated from Open Food Facts per-100 g data for the stated serving; values may differ slightly from the package label because of rounding.
Per 100 g and custom amounts
Nutrition per amount
Data: Open Food Facts (ODbL) · Photo: Open Food Facts contributors (CC BY-SA)
Where to buy Mars Duo
Search Amazon for this product. Stock and prices vary by store and location.
Paid links: we may earn a commission at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. Prices and availability are set by the retailer. About these linksIngredients
Barley malt extract, Cocoa butter, Cocoa paste, Emulsifier, Fat reduced cocoa powder, Glucose syrup, Lecithin, Milkfat, Palm fat, Powdered egg white, Salt, Skimmed milk powder, Soya lecithin, Sugar, Sunflower oil, Whey permeate
Allergens
Contains: Milk
May contain: Nuts, Peanuts
Frequently asked questions
How many calories are in Mars Duo?
Per 100 g of Mars Duo there are 532 calories.
How much protein is in Mars Duo?
Per 100 g of Mars Duo there are 1.8 g protein.
How many carbohydrates are in Mars Duo?
Per 100 g of Mars Duo there are 27.0 g carbohydrates. Of which 24.0 g sugars.
How much sugar is in Mars Duo?
Per 100 g of Mars Duo there are 24.0 g sugars.
How much sodium (salt) is in Mars Duo?
Per 100 g of Mars Duo there are 268.0 mg sodium. UK guidance is for adults to eat no more than 6 g of salt (about 2,400 mg of sodium) a day.
How much fibre is in Mars Duo?
Per 100 g of Mars Duo there are 0.027 g fibre. Fibre is important for digestive health.
What are the main ingredients in Mars Duo?
The main ingredients in Mars Duo are: Barley malt extract, Cocoa butter, Cocoa paste, Emulsifier, Fat reduced cocoa powder.
Similar products
Montezuma's
Absolute Black
604Calories
13Protein
53Fat
Reese's
NUTRAGEOUS
539Calories
11.2Protein
31Fat
Reese's
Reese’s Pieces Egg
533Calories
11.5Protein
29Fat
Reese’s
Peanut Butter Bar
550Calories
6.9Protein
22Fat
M&S
Cappuccino Bar
574Calories
5.4Protein
39.3Fat
M&S
dark chocolate
593Calories
7.5Protein
44.7Fat
Level of processing
Nutrition breakdown
Macronutrients
Types of fat
Related guides
Learn more about nutrition and food labels:
- Traffic-Light Food Labels Explained
- How to Read a UK Nutrition Label
- Salt and Sodium on Food Labels: How to Read Them
- Sugars on Food Labels: Total Sugars vs Free Sugars
- Food Additives and E Numbers in the UK
Browse products by nutrient
Find products by calories, protein, sugar and more:
More from Mars
Nutrition facts for other products from Mars:
- M &M'S Mint - M &M'S à La Menthe Et Chocolat Noir
- M&m's mini's
- HiProtein Chocolate & Caramel Whey
- Mars Fruit And Nut
- Sun dried tomato & basil stir through
- Fruit chews original