A slice of sourdough toast typically contains around 15 to 37 grams of carbohydrates, depending on the slice size, but generally falls in the 18-20g range for a smaller slice and over 30g for a larger, medium slice, with some variations due to flour type and specific recipe. A medium slice (about 59g) often has about 37g carbs, while a smaller 32g slice might have around 18g.
Sourdough Toast contains 16 total carbs, 2.8 g protein, and 0.4 g fat.
Toasting bread is a chemical reaction, meaning that some of the molecules (carbohydrates) break apart and the water content is reduced. Due to this chemical reaction, toasting bread might be associated with potential health benefits and could also make bread more easily digestible.
No. Sourdough bread is not considered low carb. Carbohydrate content: Typical sourdough made from wheat flour contains about 40--50 g of carbohydrates per 100 g (roughly 12--20 g carbs per slice, depending on loaf size and recipe). That places it within the standard-carbohydrate-food range, not low-carb.
Key Points. Choosing sourdough can make bread more enjoyable and easier to digest thanks to its slow fermentation process. True sourdough stands apart because fermentation lowers blood sugar impact, supports gut health, and partially breaks down gluten.
Sourdough's disadvantages include being unsuitable for celiac disease (still contains gluten), potentially causing digestive issues like gas (due to fructans) for sensitive individuals, having high carbs/calories (not keto-friendly), and often containing significant sodium in commercial versions, though its fermentation can improve nutrient absorption and lower glycemic impact compared to regular bread for many.
Yes, sourdough bread can support weight loss because its fermentation makes it easier to digest and helps regulate blood sugar, while whole-grain versions offer high fiber and protein for increased fullness, but overall calories still matter, so portion control is key. It's a healthier choice than processed white bread, aiding appetite control and reducing cravings, especially if made from whole wheat or rye flour.
The lowest carb breads are often homemade options like cloud bread (0-1g net carbs) or those made with psyllium husk, almond flour, or coconut flour, while popular commercial choices include brands like Herman Brot, Burgen 85% Lower Carb, Hero, and Base Culture Keto, offering 1-6g net carbs per slice due to high fiber or alternative flours, making them great for keto and low-carb diets.
It won't spike your blood sugar.
“That's another win for the fermentation process,” says Dr. Wu. “It may have a lower glycemic index, which could help with blood sugar control.” Sourdough causes a slower rise in blood sugar compared to white or even some whole wheat breads.
The secret to low-carb sourdough lies in its choice of flours. By replacing high-carb wheat flour with alternatives like almond flour and coconut flour, this bread is made with ingredients that are not only low in carbs but also rich in fiber and healthy fats.
Fermentation lowers the glycemic index of sourdough bread. A lower glycemic index means sugars are released more slowly into the bloodstream, helping to prevent spikes in blood sugar levels. This makes sourdough a better option than regular bread for people managing diabetes or insulin resistance.
The best bread for blood sugar is bread made with whole grains. Breads that do not spike blood sugar include low-GI breads such as pumpernickel, sourdough rye, sourdough wheat, and spelt multigrain.
Yes, yes it does. I was skeptical too, but the science is fascinating! When you freeze bread, the starches undergo "retrogradation" - they reorganize into resistant starch, which is much slower for your body to digest.
You can enjoy sourdough bread daily as part of a healthy diet. One food doesn't make or break a diet — it's the whole dietary pattern that matters. A well-balanced approach to eating focuses on: Vegetables.
7 Healthiest Types of Bread
Sourdough bread is particularly rich in nutrients that the body can easily absorb. This is due to the way that the lactic acid bacteria in the bread interacts with these nutrients.
Sourdough's disadvantages include being unsuitable for celiac disease (still contains gluten), potentially causing digestive issues like gas (due to fructans) for sensitive individuals, having high carbs/calories (not keto-friendly), and often containing significant sodium in commercial versions, though its fermentation can improve nutrient absorption and lower glycemic impact compared to regular bread for many.
What is the best bread for people with diabetes?
Sourdough may be more blood-sugar-friendly due to its lower glycemic index. The glycemic index (GI) ranks carbohydrate-rich foods on a scale of 0-100 according to how they affect blood sugar levels. 10 The GI for a 30-gram serving of sourdough bread is 54, while the same serving of whole-wheat bread is 71.
The worst carbs for belly fat are refined carbohydrates and added sugars, found in sugary drinks, white bread, pastries, and processed snacks, because they spike blood sugar and insulin, leading to increased fat storage, especially around the abdomen. While no single carb is solely responsible, these quickly digested, low-fiber options promote inflammation and insulin resistance, contributing to visceral (belly) fat.
Instead, it's far better to try some of these healthy low-carb bread alternatives to soothe your keto cravings before you reach for that sandwich bread.
The number one carb to avoid is added sugar, especially in sugary drinks like soda, sweet tea, and fruit juice, followed closely by refined grains (white bread, white rice, sugary cereals) and highly processed snacks (cookies, cakes, chips) because they offer little nutritional value, cause rapid blood sugar spikes, and contribute to health issues, making them "empty calories".
The 3-3-3 rule for weight loss is a simple, habit-based method focusing on three key areas: 3 balanced meals a day, 3 bottles (or ~1.5L) of water by 3 PM, and 3 hours of physical activity per week, aiming for consistency over complex diets. It simplifies fat loss by establishing rhythm through consistent eating, adequate hydration to support metabolism, and regular movement, promoting sustainable health without intense calorie counting or restrictive rules, says Five Diamond Fitness and Wellness, Joon Medical Wellness & Aesthetics, and EatingWell.
The 3 Best Breads for Losing Weight
Very Low-Calorie Diet (VLCD)
On a VLCD, you may have as few as 800 calories a day and may lose up to 3 to 5 lb (1.5 to 2 kg) week. Most VLCDs use meal replacements, such as formulas, soups, shakes, and bars instead of regular meals. This helps ensure that you get all of the nutrients you need each day.