San francisco sourdough
San francisco sourdough by Mastroianni Bros Inc. provides 250 kcal per 100 g, with 3.6 g of sugars and 10.7 g of protein. That is 22% less sugar than the average product in this category. Its Nutri-Score is C and it is classified as NOVA 3 (processed food). It is listed in the Breads category. Contains: gluten.
Nutrient levels per 100 g
Levels use UK front-of-pack reference thresholds.
Nutrition facts
Serving size: 1 slice (28 g)
| Nutrient | Per 100 g | Per serving | % DV* | Category avg |
|---|---|---|---|---|
| Calories | 250 kcal | 70 kcal | 286 −13% | |
| Total fat | 0 g | 0 g | 0% | 5.3 −100% |
| Saturated fat | 0 g | 0 g | 0% | 1 −100% |
| Carbohydrates | 50 g | 14 g | 5% | 48.4 |
| Total sugars | 3.6 g | 1 g | 4.6 −22% | |
| Added sugars | 0 g | 0 g | 0% | 2.6 −100% |
| Dietary fiber | 3.6 g | 1 g | 4% | 4.5 −20% |
| Protein | 10.7 g | 3 g | 6% | 9.6 +12% |
| Salt | 1.2 g | 0.3 g | 1.3 −6% |
*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values). Category average across 15581 Breads products on Foodmetria.
Serving size from the US product label in USDA FoodData Central, label data from May 2023. Other values: Open Food Facts.
Compared with other breads
Bar shows the share of products in this category that contain less of the nutrient.
Ingredients
Wheat flour unbleached, water, salt, yeast, less than 2% of each of the following: dried sourdough, (wheat, rye), cultured wheat flour, dried yeast, ascorbic acid added as a dough conditioner.
- Allergens
- Gluten
Product details
- Serving size
- 1 slice (28 g)
- Sold in
- United States
- Barcode
- 0030084222623
Prices reported by shoppers
Loading prices…
Frequently asked questions
How many calories are in San francisco sourdough?
San francisco sourdough contains 250 kcal per 100 g and about 70 kcal per serving (1 slice (28 g)).
How much sugar is in San francisco sourdough?
San francisco sourdough has 3.6 g of sugars per 100 g, which is considered low by UK front-of-pack guidelines.
Is San francisco sourdough healthy?
It has a Nutri-Score of C (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 San francisco sourdough contain?
According to the label data it contains: Gluten. Recipes change — always check the package label.
Source: Open Food Facts (ODbL). Last updated February 26, 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