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Peanut Butter Bar
Peanut Butter Bar by Marks & Spencer provides 545 kcal per 100 g, with 35.2 g of sugars and 11.1 g of protein. That is 18% less 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 36g pack. Contains: milk, peanuts, soybeans.
Nutrient levels per 100 g
Levels use UK front-of-pack reference thresholds.
Nutrition facts
Serving size: 1 portion (36 g)
| Nutrient | Per 100 g | Per serving | % DV* | Category avg |
|---|---|---|---|---|
| Calories | 545 kcal | 196 kcal | 507 +7% | |
| Total fat | 35.9 g | 12.9 g | 17% | 29.3 +22% |
| Saturated fat | 16.4 g | 5.9 g | 30% | 16.3 |
| Carbohydrates | 42.5 g | 15.3 g | 6% | 53.6 −21% |
| Total sugars | 35.2 g | 12.7 g | 42.8 −18% | |
| Added sugars | 46.8 g | 16.9 g | 34% | 34 +38% |
| Dietary fiber | 3.8 g | 1.4 g | 5% | 4.1 −7% |
| Protein | 11.1 g | 4 g | 8% | 7.1 +57% |
| 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 1153 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, Roasted Peanuts (21%), Cocoa Mass, Cocoa Butter, Dried Whole Milk, Glucose Syrup, Vegetable Oils (Palm, Shea, Coconut, Sunflower, Rapeseed) in varying proportions, Sweetened Condensed Milk (Whole Milk, Sugar, Lactose (Milk)), Ground Roasted Peanuts (2%), Golden Syrup (Invert Sugar Syrup), Salt, Emulsifier: Lecithins (Soya), E47, Flavourings (contain Milk), Caramelised Sugar Syrup.
- Allergens
- MilkPeanutsSoybeans
Additives 1
Overexposure risk is based on EFSA evaluations as recorded by Open Food Facts.
Product details
- Quantity
- 36g
- Serving size
- 1 portion (36 g)
- Sold in
- United Kingdom
- Barcode
- 00848671
Prices reported by shoppers
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Frequently asked questions
How many calories are in Peanut Butter Bar?
Peanut Butter Bar contains 545 kcal per 100 g and about 196 kcal per serving (1 portion (36 g)).
How much sugar is in Peanut Butter Bar?
Peanut Butter Bar has 35.2 g of sugars per 100 g, which is considered high by UK front-of-pack guidelines.
Is Peanut Butter 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 Peanut Butter Bar vegan?
Based on its ingredient list, it is not vegan.
What allergens does Peanut Butter Bar contain?
According to the label data it contains: Milk, Peanuts, Soybeans. Recipes change — always check the package label.
Source: Open Food Facts (ODbL). Last updated March 27, 2026. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.
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