Sourdough
GI 54 · LowGL 25.9 / 100 g6/10
Low GI
54 GI
GL 25.9 per 100 g
Logi score 6/10
- Lower glycemic index than regular bread
- Moderate sodium content
Sourdough has a glycemic index of 54 (Low).
Updated Apr 15, 2026 · Sources: Logi Nutrition Team (USDA-derived composition, AI-assisted) · Not medical advice · Report an error
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Sourdough is one of the 11,117 foods Logi scores when you photograph a meal — with the portion.
Nutrition Facts (per 100g)
240
Calories
48 g
Carbs
8.5 g
Protein
1.2 g
Fat
per 100g
| Calories | 240 kcal |
| Carbohydrates | 48 g |
| Sugars (Total) | 1.4 g |
| Natural | 1.4 g |
| Added | 0 g |
| Fiber | 2.7 g |
| Soluble | 0.8 g |
| Insoluble | 1.9 g |
| Protein | 8.5 g |
| Fat | 1.2 g |
| Saturated | 0.2 g |
| Unsaturated | 1 g |
| Sodium | 480 mg |
Processing Level
60%
Moderate
Why this score?
- Lower glycemic index than regular bread
- Contains beneficial fermentation products
- Moderate protein content
- Moderate sodium content
- Refined flour often used
- Low fiber compared to whole grains
Recipes with Sourdough
Frequently Asked Questions
What is the glycemic index of Sourdough?
Sourdough has a glycemic index of 54 (Low) and a glycemic load of 25.9 per 100 g.
Is Sourdough good for people with insulin resistance?
Sourdough has a low glycemic index (54), making it a good option for people with insulin resistance. It causes a slow, gradual rise in blood sugar.
How does Sourdough affect blood sugar?
Sourdough has a glycemic load of 25.9 per 100g, which indicates a significant impact on blood sugar levels.
Related foods
Check Sourdough in the Logi app, with your portion.
