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

Is sourdough healthy? (2)

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 fermentation process and preparation of sourdough leads to a variety of benefits, says Van Buiten. First, sourdough bread naturally has higher levels of nutrients than regular bread. "Fermentation can improve mineral (and vitamin) bioavailability in sourdough bread compared to conventional bread," says Van Buiten.

Is sourdough bread actually healthy? ›

Sourdough bread is also an excellent source of antioxidants. Studies have shown that antioxidants like the peptides found in sourdough can lower the risk for certain types of cancer, signs of aging, or chronic diseases like rheumatoid arthritis.

Is it okay to eat sourdough bread every day? ›

Is it healthy to eat sourdough everyday? You could eat sourdough every day, but it isn't necessarily healthy to do so. A healthy diet is characterized by balance and moderation. Whether or not it is healthy for you to consume sourdough every day depends on the rest of your diet.

What is the healthiest sourdough bread? ›

Any sourdough bread with whole grains is considered healthier to classic sourdough bread. Because whole grains boost the nutritional value of sourdough bread, whole grain sourdough bread and whole wheat sourdough bread are both great choices when looking to opt for the healthiest sourdough bread option.

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

What are the pros and cons of sourdough bread? ›

Sourdough bread is a great alternative to conventional bread. It's richer in nutrients, less likely to spike your blood sugar, and generally easier to digest. Just remember that sourdough fermentation doesn't degrade gluten completely.

Is sourdough bread 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.

Is sourdough good or bad for the gut? ›

Overall, there is a growing body of evidence that suggests that eating sourdough bread can have a number of beneficial effects on gut health. If you are looking for a way to improve your gut health, sourdough bread may be a good option to consider.

Why do bodybuilders eat sourdough bread? ›

The high protein content of sourdough not only helps keep you feeling full for a longer period of time, eating plenty of protein is also key to building and maintaining muscle mass. For an even greater protein bump, try making whole wheat sourdough bread.

What is the healthiest flour for sourdough bread? ›

Compared to whole wheat flour, rye flour is said to be the most nutrient- and amylase-dense option for a sourdough starter. Overall, it has a lower gluten protein content than wheat flour, which means it produces slack, sticky, and dense doughs.

Is Panera sourdough bread real sourdough? ›

The Panera website lists the full ingredients of its "Classic Sourdough Loaf," and they're a far cry from true sourdough's minimal lineup of flour, water, salt, and live culture. In addition to wheat and malted barley flour, the sourdough starter contains folic acid.

Is grocery store sourdough real sourdough? ›

Despite the fact that traditional sourdough ingredients are flour, water, and salt, many store-bought versions include added yeast, ascorbic acid, vinegar, and oil. So, although many grocery stores may carry bread labeled “sourdough”, more often than not they are in fact fake sourdough.

What store bought sourdough is best for gut health? ›

Trader Joe's Sprouted Wheat Sourdough Bread

This process breaks down gluten and phytic acid, while also adding beneficial bacteria, making sourdough easier to digest and promoting better gut health.

What bread is a Superfood? ›

Whole grain or sprouted grain breads with minimal ingredients can be a nutrient-dense and delicious addition to a healthy diet. “Sprouted grain bread is typically higher in protein, fiber and beneficial vitamins and minerals than other breads,” says Sassos.

What is the most unhealthy bread? ›

The Least Nutritious Breads
  • White Bread. White bread doesn't rank too high when it comes to nutrition. ...
  • Specialty Breads: Ciabatta, Pita, Focaccia and Brioche. Most specialty-style breads, like ciabatta, pita bread, focaccia and brioche are made with refined white flour.

Is sourdough processed? ›

Unlike highly refined and processed bread, which often contains additives, preservatives, and high levels of sugar and unhealthy fats, sourdough bread is made with simple ingredients: flour, water, and naturally occurring yeast and bacteria. Ultra-processed bread often lacks the nutrients found in sourdough bread.

Is sourdough bread healthy to lose weight? ›

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.

Is sourdough bread good or bad carbs? ›

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 the least fattening bread? ›

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.

Is sourdough bread or rice healthier? ›

However, rice does contain more protein, vitamins, and minerals compared to bread. If you're looking for a healthier alternative to white bread and rice, try opting for multigrain bread, sourdough bread, rye bread, and brown rice. All of these options contain more nutrients than traditional bread and rice choices.

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