Sourdough bread

Image: Open Food Facts (CC BY-SA 3.0)

Common questions

Is Sourdough bread healthy?

Sourdough bread scores 60/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This sourdough bread is made with enriched flour, which is refined and lacks the fiber and nutrients found in whole grains, contributing to rapid blood sugar spikes.

How processed is Sourdough bread?

Sourdough bread is NOVA Group 3: Processed Foods.

Which ingredients drive Sourdough bread's score?

In Scout's ingredient-by-ingredient analysis, Naturally fermented sourdough counts in its favor; Enriched flour, Yeast extract are flagged as ingredients of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Sourdough bread

Kirkland
60 Fair

Analysis updated September 2026 · How Scout scores

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At a glance

Beneficial ingredients 1
Harmful ingredients 2
Owned by Costco
Category Bread
Summary

This sourdough bread is made with enriched flour, which is refined and lacks the fiber and nutrients found in whole grains, contributing to rapid blood sugar spikes. While it includes naturally fermented sourdough, which can improve digestibility and nutrient absorption, the presence of refined ingredients and moderate processing level limits its health benefits. The ingredient list is relatively clean, but the use of enriched flour and the processing level prevent it from scoring higher.

Key ingredients 8

Naturally fermented sourdough
Good

Naturally fermented sourdough is made through a fermentation process that can improve digestibility and nutrient absorption. The fermentation process can also reduce phytic acid, enhancing mineral bioavailability. It may also contribute to a lower glycemic index compared to non-fermented breads.

Benefits

May improve gut health due to the presence of beneficial bacteria and enhance nutrient absorption.

Wheat starch
Neutral

Wheat starch is a refined carbohydrate used to improve texture. It is devoid of fiber and most nutrients. It serves primarily as a textural agent in baked goods.

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Salt
Neutral

Salt is used to enhance flavor and as a preservative. It is a common ingredient in bread but should be consumed in moderation due to potential health risks associated with high sodium intake. It does not provide additional nutritional benefits beyond sodium.

Risks

Excessive consumption may lead to high blood pressure and related health issues.

Benefits

Essential for maintaining fluid balance and nerve function in the body.

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Semolina
Neutral

Semolina is a coarse flour made from durum wheat, often used in pasta and bread. It is a source of protein and some vitamins and minerals. It provides a distinct texture and flavor to baked goods.

Benefits

Contains protein and some essential nutrients, contributing to the nutritional profile of the bread.

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Barley flour
Neutral

Barley flour is a whole grain flour that adds fiber and nutrients to baked goods. It has a lower glycemic index compared to refined flours. It can enhance the nutritional profile of bread.

Benefits

Provides fiber and essential nutrients, supporting digestive health and providing a more sustained energy release.

Enzymes
Neutral

Enzymes are used in bread making to improve dough handling and texture. They are naturally occurring proteins that catalyze biochemical reactions. They are generally recognized as safe and do not remain active in the final product.

Benefits

Improve the texture and quality of bread without adding artificial additives.

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Enriched flour
Bad

Enriched flour is refined and lacks the fiber and nutrients found in whole grains. It is often fortified with synthetic vitamins and minerals to replace those lost during processing. This ingredient can contribute to rapid blood sugar spikes.

Risks

May contribute to increased blood sugar levels and lacks the nutritional benefits of whole grains.

Benefits

Provides a source of carbohydrates and some essential vitamins and minerals due to fortification.

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Yeast extract
Bad

Concentrated glutamate source — MSG-adjacent flavor enhancer.

Risks

May contribute to high sodium intake if consumed in large amounts.

Benefits

Provides B vitamins and enhances flavor without artificial additives.

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Processing

Group 3 · Processed

Processed Foods

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