Peanut Butter Protein Bar
Packaged product Snacks Marks & Spencers
Peanut Butter Protein Bar contains 387 kcal per 100 g. A serving, 1 portion, 55 g (55 g) provides about 213 kcal.
Roughly 37% of its calories come from fat, with 36% from protein and 27% from carbohydrates (estimated with general energy factors).
That is less energy than the typical item in snacks on FoodFactly, where the median is 458 kcal per 100 g across 43,261 products.
The values are as declared on the product label and entered by Open Food Facts contributors.
Nutrition facts
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories L | 387 kcal | |
| Total fat L | 16.9 g | 22% |
| Saturated fat L | 7.1 g | 36% |
| Sodium L | 252 mg | 11% |
| Total carbohydrates L | 28.2 g | 10% |
| Dietary fiber L | 5.6 g | 20% |
| Total sugars L | 3.4 g | |
| Protein L | 37.2 g | 74% |
% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.
Nutritional breakdown
- Protein 36%
- Carbohydrates 27%
- Fat 37%
Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).
Nutritional insights
- Protein37.2 gin the top quarter of snacks (median 7.3 g)
- Fiber5.6 gabove the median for snacks (median 4 g)
- Sugars3.4 gbelow the median for snacks (median 4.9 g)
- Fat16.9 gbelow the median for snacks (median 20.8 g)
- Saturated fat7.1 gabove the median for snacks (median 3.6 g)
- Sodium252 mgbelow the median for snacks (median 414 mg)
- Protein per 100 kcal9.6 gprotein density, useful for comparing foods with different calorie levels
Product details
- Brand
- Marks & Spencers
- Barcode
- 29489060
- Label serving
- 1 portion (55 g)
- Category
- Snacks
Ingredients
Ingredients not reported.
Similar products
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Popcorn Heera | 387 | 12.9 g | 77.8 g | 4.5 g |
| Popcorn, air-popped | 387 | 12.9 g | 77.8 g | 4.5 g |
| Crispy Natural Beef Jerky Beef Jerky Experience | 387 | 83.9 g | 0 g | 6.5 g |
| Snacks, rice cakes, brown rice, multigrain | 387 | 8.5 g | 80.1 g | 3.5 g |
| Snacks, corn cakes, very low sodium | 387 | 8.1 g | 83.4 g | 2.4 g |
| Snacks, corn cakes | 387 | 8.1 g | 83.4 g | 2.4 g |
| Snacks, rice cracker brown rice, plain | 387 | 8.2 g | 81.5 g | 2.8 g |
| Snacks, rice cakes, brown rice, multigrain, unsalted | 387 | 8.5 g | 80.1 g | 3.5 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Frequently asked questions
How many calories are in Peanut Butter Protein Bar?
100 g of Peanut Butter Protein Bar has 387 kcal. Serving, 1 portion, 55 g (55 g): about 213 kcal.
Is Peanut Butter Protein Bar high in protein?
Peanut Butter Protein Bar contains 37.2 g of protein per 100 g (74% of the 50 g Daily Value), or 20.5 g in serving, 1 portion, 55 g (55 g). About 36% of its calories come from protein. Compared with other snacks, that is among the highest quarter (median 7.3 g).
How many carbs are in Peanut Butter Protein Bar?
Peanut Butter Protein Bar has 28.2 g of total carbohydrates per 100 g, including 5.6 g of fiber and 3.4 g of sugars. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.
How much fat is in Peanut Butter Protein Bar?
Peanut Butter Protein Bar contains 16.9 g of fat per 100 g, of which 7.1 g is saturated (36% of the Daily Value).
How much sodium is in Peanut Butter Protein Bar?
100 g contains 252 mg of sodium, 11% of the 2,300 mg Daily Value.
Where does this nutrition data come from?
From Open Food Facts, record dated May 12, 2026. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.
Source of the nutrition information
- Open Food Facts, record 29489060. License: ODbL 1.0 (Open Food Facts). Source record dated May 12, 2026. Imported November 6, 2026.
Last updated: . Data quality score: 90/100 (how it is calculated).
Product data from Open Food Facts, made available under the Open Database License. Values are as declared on the label; labels can change over time, so check the package you have.
General nutrition information, not medical advice. Individual needs differ; see our disclaimer.