Is sourdough healthy? (2024)

What is sourdough bread?

Sourdough is a leavened bread, which means the dough naturally rises as a result of the gas that is produced as the grain ferments. While most commercial breads use baker’s yeast as the raising agent, sourdough is made using a sourdough starter.

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A sourdough starter is a culture of yeasts and beneficial bacteria that naturally occur and are allowed to ferment over the course of approximately five days. A portion of the starter, known as the levain, is mixed with bread flour to make sourdough.

Discover our full range of health benefit guides and check out some of our favourite sourdough recipes, from a rye sourdough loaf to a sourdough pizza.

Nutritional profile of sourdough

The blend of flour or flours used to make the sourdough will impact the macronutrient profile. However, a typical 100g portion (approximately two slices) of sourdough contains:

  • 230 kcals/974KJ
  • 7.8g protein
  • 0.7g fat
  • 47g carbohydrate
  • 2.9g fibre
  • 0.81g salt

What are the health benefits of sourdough?

Is sourdough healthy? (1)
  • May support gut health
  • May aid blood sugar management
  • May reduce risk of heart disease
  • May be easier to digest
  • May be more nutritious
  • May be more satiating

1. May support gut health

Although the beneficial microbes in the starter tend to be lost during the baking process, the fibre and plant compounds, called polyphenols, become more bio-available. These act as an important fuel source for our gut microbes, which explains why sourdough is a gut-friendly choice.

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2. May aid blood sugar management

The fermentation process and higher fibre content makes sourdough a useful option for those with blood sugar management issues. This is because, unlike many commercially produced breads, sourdough has less of an impact on blood sugar levels.

3. May reduce the risk of heart disease

Typically, diets high in fibre are associated with a lower risk of heart disease. Sourdough appears to offer additional benefits thanks to the natural fermentation process these benefits are enhanced when wholegrain rye flour is used.

4. May be easier to digest

Traditional sourdough undergoes a slow fermentation, the result of which is an increase in the bioavailability of the bread’s vitamins and minerals. This process also starts the breakdown of protein (including gluten), making sourdough easier to digest.

5. May be more nutritious

Research suggests that fermentation improves the bioavailability of fibre and minerals. This is because a naturally occurring compounds found in grains, called phytic acid, are broken down, and this enables us to access the grain’s nutrients more readily.

6. May be more satiating

Sourdough appears to be more satiating than a baked product made using yeast, one study reported that rates of hunger at 45 minutes and 240 minutes post consumption were markedly lower when sourdough bakes were eaten.

Is sourdough safe for everyone?

Is sourdough healthy? (3)

For those following a gluten-free diet, such as those with coeliac disease, sourdough made from wheat, rye, barley or other gluten-containing grains must be avoided. However, as long as non-gluten flours are used, the sourdough process itself should not cause a problem.

So, is sourdough healthy?

Although commonly viewed as a healthier option, it is difficult to establish a clear consensus on the health benefits of sourdough. This is because there are so many variables involved in its production – these include microbial composition, fermentation conditions, type of flour and cereal – all of which may influence the nutritional properties of the finished loaf.

That said, in studies that have sought to standardise production by using specific strains of microbes and controlling fermentation conditions, improvements in glycemic response, satiety and digestion have been reported.

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This page was reviewed on 8th March 2024 by Kerry Torrens

Nicola Shubrook is a nutritional therapist and works with both private clients and the corporate sector. She is an accredited member of the British Association for Nutrition and Lifestyle Medicine (BANT) and the Complementary & Natural Healthcare Council (CNHC). Find out more at urbanwellness.co.uk.

Kerry Torrens is a qualified Nutritionist (MBANT) with a post graduate diploma in Personalised Nutrition & Nutritional Therapy. She is a member of the British Association for Nutrition and Lifestyle Medicine (BANT) and a member of the Guild of Food Writers. Over the last 15 years she has been a contributing author to a number of nutritional and cookery publications including Good Food.

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All health content on goodfood.com is provided for general information only, and should not be treated as a substitute for the medical advice of your own doctor or any other healthcare professional. If you have any concerns about your general health, you should contact your local healthcare provider. See our website terms and conditions for more information.

Is sourdough healthy? (2024)

FAQs

Is sourdough healthy? ›

The Bottom Line. Sourdough has made a comeback—and for good reason. It provides nutrients, including healthy carbs, protein, fiber, iron and vitamins like folic acid. It may help improve digestion, lower chronic disease risk and even promote healthy aging.

Is sourdough healthier for you than regular bread? ›

The bottom line. Sourdough is a healthier alternative to regular white or whole wheat bread. Although it has comparable nutrients, the lower phytate levels mean it is more digestible and nutritious. The prebiotics also help to keep your gut bacteria happy, and it may be less likely to spike blood sugar levels.

Is sourdough bread good or bad for weight loss? ›

But flour type and personal diet need to play a big role. Is sourdough bread good for weight loss? Yes, it may help in your weight management journey. It's complex carbs and high fibre content can leave you feeling full and limit snacking.

Can I eat sourdough everyday? ›

Health benefits of sourdough. The type of flour used — all-purpose, whole wheat, rye — can affect the nutritional content of sourdough bread, says Wee. But generally speaking, sourdough bread is a healthy option and can be eaten regularly as part of a nutritious, balanced diet.

Is sourdough good or bad for the gut? ›

Sourdough bread may be easier to digest than white bread for some people. According to some studies, sourdough bread acts as a prebiotic, which means that the fiber in the bread helps feed the “good” bacteria in your intestines. These bacteria are important for maintaining a stable, healthy digestive system.

What is the healthiest bread to eat? ›

Next time you're at the store, look for the following options to find a healthy bread you like.
  • Wholegrain bread. Wholegrain bread is minimally processed and made with flour from fully intact grains. ...
  • Multigrain bread. ...
  • Dark rye bread. ...
  • Authentic sourdough bread. ...
  • Flaxseed, or linseed, bread. ...
  • Ezekiel, or sprouted grain, bread.
Mar 19, 2024

Is sourdough bread anti-inflammatory? ›

The best bread to reduce gut inflammation is bread made from whole grains. Refined grains, such as the grains found in white bread and white pasta, are known to increase inflammation across the whole body. Sourdough bread and rye bread are both good options for an anti-inflammatory diet.

Who should not eat sourdough bread? ›

Just remember that sourdough fermentation doesn't degrade gluten completely. So if you have celiac disease or non-celiac gluten sensitivity, it's best to avoid sourdough bread made from wheat, barley, or rye, all of which contain gluten.

Is sourdough high in carbs? ›

Sourdough Nutrition

Overall, the nutrition facts of white sourdough bread and white conventional bread are fairly similar. A 1-ounce slice of sourdough white bread contains 77 calories, 3 grams of protein, 15 grams of carbohydrates, and 1 gram of fiber.

Which sourdough bread is healthiest? ›

Whole wheat sourdough bread is one of the healthiest types of sourdough breads. Any sourdough bread with whole grains is considered healthier to classic sourdough bread.

Is sourdough a Superfood? ›

It's nutritious.

Sourdough contains a variety of vitamins and nutrients, making it super beneficial to your day-to-day health.

How many slices of sourdough can I eat a day? ›

Whether or not it is healthy for you to consume sourdough every day depends on the rest of your diet. The United States Department of Agriculture recommends 6 servings of grains per day. For reference, one slice of sourdough bread is a single serving.

What is the best bread to eat for weight loss? ›

Whole grain bread is the healthiest pick for weight. It provides you with the nutrition of several whole grains like oats, barley, corn and others. Whole grain means whole kernel -the bran, germ and endosperm, which makes them highly nutritious.

Why can I eat sourdough but not bread? ›

Sourdough is not gluten free, but we know that many people with IBS, gluten intolerance, or gluten sensitivity can tolerate sourdough bread. This is because the methods used to make sourdough break down some of the gluten in the flour so it is easier to digest. Think of sourdough as low-gluten rather than gluten-free.

What's so special about sourdough? ›

Sourdough has made a comeback—and for good reason. It provides nutrients, including healthy carbs, protein, fiber, iron and vitamins like folic acid. It may help improve digestion, lower chronic disease risk and even promote healthy aging.

Is eating sourdough bread fattening? ›

With its lower calorie count and potential benefits for blood sugar regulation, sourdough bread offers a delicious and healthier alternative to regular bread. Remember, moderation and portion control are key to achieving your weight loss goals.

Is sourdough the least fattening bread? ›

Sourdough Bread is Lower in Calories

If you're watching your calorie intake, sourdough bread can be a smart choice. Compared to some other bread varieties, sourdough generally has a lower calorie count. How many calories in a slice of sourdough bread? A typical slice of sourdough bread contains around 120-140 calories.

Does sourdough have more or less carbs? ›

Health benefits of sourdough bread

Digestion: The fermentation process for sourdough bread can lower the amount of nondigestible carbohydrates in the wheat.

Does sourdough bread have a lot of sugar? ›

Sourdough bread doesn't contain sugar, while ordinary sandwich bread often does. Otherwise, the macronutrients depend on the kind of flour used. Whole wheat flour will generally contain more fiber than white flour. Enriched flour will also have vitamins and minerals to offer.

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