View full-size photo · Photo: Open Food Facts contributors, CC BY-SA
Sourdough
Sourdough by Marks & Spencer provides 226 kcal per 100 g, with 1.7 g of sugars and 9.4 g of protein. That is 63% less sugar than the average product in this category. Its Nutri-Score is A and it is classified as NOVA 3 (processed food). It is listed in the Breads category and comes in a 370G pack. Contains: gluten.
Nutrient levels per 100 g
Levels use UK front-of-pack reference thresholds.
Nutrition facts
Serving size: 1 portion (100 g)
| Nutrient | Per 100 g | Per serving | % DV* | Category avg |
|---|---|---|---|---|
| Calories | 226 kcal | 226 kcal | 286 −21% | |
| Total fat | 0.8 g | 0.8 g | 1% | 5.3 −85% |
| Saturated fat | 0.2 g | 0.2 g | 1% | 1 −79% |
| Carbohydrates | 43.7 g | 43.7 g | 16% | 48.4 −10% |
| Total sugars | 1.7 g | 1.7 g | 4.6 −63% | |
| Added sugars | 0 g | 0 g | 0% | 2.6 −100% |
| Dietary fiber | 3.1 g | 3.1 g | 11% | 4.5 −31% |
| Protein | 9.4 g | 9.4 g | 19% | 9.6 |
| Salt | 0 g | 0 g | 1.3 −100% |
*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values). Category average across 15547 Breads products on Foodmetria.
Compared with other breads
Bar shows the share of products in this category that contain less of the nutrient.
Ingredients
Wheatflour (calcium carbonate, iron, niacin, thiamin), water, rye, whole grain wheatflour, malted rye, sea salt, malted wheat, barley malt flour, barley malt extract, wheatflakes
- Allergens
- Gluten
Product details
- Quantity
- 370G
- Serving size
- 1 portion (100 g)
- Labels & certifications
- Vegetarian
- Sold in
- United Kingdom
- Barcode
- 29308385
Prices reported by shoppers
Loading prices…
Frequently asked questions
How many calories are in Sourdough?
Sourdough contains 226 kcal per 100 g and about 226 kcal per serving (1 portion (100 g)).
How much sugar is in Sourdough?
Sourdough has 1.7 g of sugars per 100 g, which is considered low by UK front-of-pack guidelines.
Is Sourdough healthy?
It has a Nutri-Score of A (A is best, E is worst); it is in NOVA group 3 — processed food. Scores describe nutritional quality and processing, not suitability for your individual diet.
What allergens does Sourdough contain?
According to the label data it contains: Gluten. 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.
Reviews
Compare & rankings
Healthier alternatives
Best in category →Same category, meaningfully better on at least one measure and no worse on the others. Each card shows what improves.
More breads
View all →
b NOVA 4 
e NOVA 4 
c NOVA 4 
b NOVA 4 
b NOVA 3 
b NOVA 3 More from Marks & Spencer
View all →
c 
e NOVA 3 
e NOVA 3 
c NOVA 3 
b NOVA 1 
e NOVA 3