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●Low GI
🌿High Fiber

Sourdough Heritage Wheat Bread Calories

Naturally leavened heritage wheat bread

In season: Spring · Summer · Autumn · Winter

CALORIES · 100 G

250kcal

GI

54low

POTASSIUM · 100 G

255mg

FIBER · 100 G

6.2g

Quick answer

1 slice (medium) of Sourdough Heritage Wheat Bread (40 g) has 100 calories. That works out to 250 calories per 100 g. It contains 19 g of carbs, 4.1 g of protein, 0.8 g of fat and 2.5 g of fiber. Its 0.8 mg of Manganese covers 37% of the Daily Value. Its glycemic index is 54 (low), so it raises blood sugar slowly.

Sourdough Heritage Wheat Bread Nutrition Facts

Selected: 1 slice (medium) · 40 g

100

KCAL / 40G

Carbs

19g

· 7% DV

Protein

4.1g

· 8% DV

Fat

0.8g

· 1% DV

Fiber

2.5g

· 9% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 76% · Protein 16% · Fat 8%

Sourdough Heritage Wheat Bread nutrition facts table · 1 slice (medium) (40 g)

NutrientAmount% DV
Calories100 kcal
Total fat0.8 g1%
Saturated fat0.12 g1%
Trans fat0 g
Sodium172 mg7%
Total carbohydrate19 g7%
Fiber2.5 g9%
Protein4.1 g8%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 Slice of Sourdough Heritage Wheat Bread?

ServingAmountCalories
1 slice (medium)40 g100 kcal
1 slice (thin)25 g63 kcal
1 piece (small)50 g125 kcal
1 slice (thick)55 g138 kcal
2 slice (medium)80 g200 kcal
100 g100 g250 kcal
1 piece (medium)100 g250 kcal
1 serving (large)120 g300 kcal
1 piece (whole)500 g1250 kcal

Calculated from 250 calories per 100 g.

Frequently Asked Questions About Sourdough Heritage Wheat Bread

What makes Sourdough Heritage Wheat Bread different from regular sourdough?

Sourdough Heritage Wheat Bread is made with flour from traditional wheat varieties rather than relying only on modern wheat. The flour’s flavor and baking properties can vary by variety, while sourdough fermentation gives the loaf its characteristic tang and helps it rise.

Is Sourdough Heritage Wheat Bread actually made with ancient grains?

It may be, but “heritage wheat” does not identify one specific grain variety. The term usually refers to traditional wheat varieties that are less commonly grown today; the exact grain used depends on the baker or product.

Does sourdough fermentation remove gluten from Sourdough Heritage Wheat Bread?

No. Sourdough fermentation does not remove gluten from Sourdough Heritage Wheat Bread, which is made from wheat. It is not suitable for people with coeliac disease, and sourdough should not be treated as a gluten-free bread.

Why is my Sourdough Heritage Wheat Bread so dense?

Sourdough Heritage Wheat Bread can turn out dense if the dough does not ferment or rise enough, or if its flour absorbs water differently from the flour in a recipe. Heritage wheat varieties can behave differently in baking, so dough texture and proofing cues matter more than timing alone.

Why does Sourdough Heritage Wheat Bread taste sour?

Sourdough Heritage Wheat Bread tastes tangy because bacteria in the starter produce acids during fermentation. A longer fermentation can make that flavor more pronounced, although the exact taste also depends on the starter and baking method.

Is Sourdough Heritage Wheat Bread easier to digest than regular bread?

Some people find sourdough easier to digest, partly because fermentation changes the dough, but this is not guaranteed. Sourdough Heritage Wheat Bread still contains wheat and gluten, so fermentation does not make it suitable for someone who must avoid gluten.

How should you store Sourdough Heritage Wheat Bread to keep it fresh?

Keep Sourdough Heritage Wheat Bread in a bread box or a breathable bag at room temperature, with the cut side protected. Refrigeration can make bread stale faster. If you notice mold, discard the whole loaf rather than cutting away the affected spot.

Can you freeze Sourdough Heritage Wheat Bread?

Yes, Sourdough Heritage Wheat Bread freezes well. Slice it before freezing and seal the slices in an airtight bag so you can take out only what you need. Toast slices straight from frozen or let them thaw at room temperature.

Is Sourdough Heritage Wheat Bread a good choice for people with diabetes?

Sourdough Heritage Wheat Bread still contains carbohydrates and can raise blood sugar. Fermentation may affect the response, but it does not make the bread carbohydrate-free; people managing diabetes can consider portion size and pair it with protein or other foods.

Can you use Sourdough Heritage Wheat Bread for French toast or sandwiches?

Yes, Sourdough Heritage Wheat Bread works for both. Its sturdy crumb can hold sandwich fillings, and slightly stale slices soak up egg mixture for French toast without falling apart as easily as very soft bread.

Sourdough Heritage Wheat Bread Vitamins & Minerals

Vitamins

B3

1.64mg · 10% DV

B1

0.11mg · 9% DV

Biotin

2.04µg · 7% DV

B5

0.22mg · 4% DV

Minerals

Manganese

0.84mg · 37% DV

Selenium

14µg · 25% DV

Phosphorus

94mg · 13% DV

Copper

0.11mg · 12% DV

Sodium

172mg · 7% DV

Potassium ⭐

102mg · 3% DV

Sourdough Heritage Wheat Bread Glycemic Index

GLYCEMIC INDEX

54
Low
0 Low5570100

GLYCEMIC LOAD

9.2
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Sourdough Heritage Wheat Bread

To burn the 100 calories in 1 slice (medium) (40 g):

🚶

25min

Walking (5 km/h)

🏃

10min

Running (8 km/h)

🚴

14min

Cycling

🏊

12min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Sourdough Heritage Wheat Bread?

Sourdough Heritage Wheat Bread is made with heritage wheat flour and a starter culture, which leavens the dough gradually. The exact grain and flour blend can vary by baker, but sourdough fermentation gives the loaf its characteristic tang and a pleasantly chewy crumb, often with an open texture.

It works well toasted at breakfast or alongside soup, salads and cheese; in Turkey, similar loaves may also be served with olives, tomatoes and other small breakfast dishes. Its 6.2 g of fibre per 100 g makes it a more filling choice than many lighter-textured breads. Pair a slice with vegetables and a protein-rich topping for a balanced snack or simple meal.

How Nutritious Is Sourdough Heritage Wheat Bread?

Nutrient density

Medium

54/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

High

60/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Is Sourdough Heritage Wheat Bread Processed?

NOVA 3

Processed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Sourdough Heritage Wheat Bread Contain Allergens?

Contains these allergens:

Gluten yes
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy free
Sesame free

Which Diets Is Sourdough Heritage Wheat Bread Good For?

Vegan

✓ Suitable

Vegetarian

✓ Suitable

Gluten-Free

— Not suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

✓ Suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Sourdough Heritage Wheat Bread Fat Profile

SATURATED

0.12g

MONOUNSATURATED

0.11g

POLYUNSATURATED

0.34g

⚖️

Omega 6:3 ratio 10.3:1

Above the ideal 4:1 (10.3:1).

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🥯

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Nutrition data compiled from USDA FoodData Central and scientific sources.