Natto (fermented soybeans)
Low GI
GL 4 per 100 g
- Rich in probiotics
- Moderate fat content
Natto (fermented soybeans) has a glycemic index of 33, the same as plain Natto (33).
Updated Jul 3, 2026 · Sources: Logi Nutrition Team (USDA-derived composition, AI-assisted) · Not medical advice · Report an error
Forms of Natto
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Natto (fermented soybeans) is one of the 11,117 foods Logi scores when you photograph a meal — with the portion.
Nutrition Facts (per 100g)
per 100g
| Calories | 212 kcal |
| Carbohydrates | 12.1 g |
| Sugars (Total) | 3 g |
| Natural | 3 g |
| Added | 0 g |
| Fiber | 5.4 g |
| Soluble | 1.8 g |
| Insoluble | 3.6 g |
| Protein | 18.7 g |
| Fat | 11 g |
| Saturated | 1.6 g |
| Unsaturated | 9.4 g |
| Sodium | 7 mg |
Processing Level
Why this score?
- Rich in probiotics
- High protein content
- Good source of fiber
- Moderate fat content
- Distinct flavor may not suit all
- Some sodium content
Low-GI recipes on Logi Food Coach
Frequently Asked Questions
What is the glycemic index of Natto (fermented soybeans)?
Natto (fermented soybeans) has a glycemic index of 33 (Low) and a glycemic load of 4 per 100 g.
Is Natto (fermented soybeans) good for people with insulin resistance?
Natto (fermented soybeans) has a low glycemic index (33), making it a good option for people with insulin resistance. It causes a slow, gradual rise in blood sugar.
Which form of Natto has the lowest glycemic load?
Natto (fermented soybeans) has the lowest glycemic load of all forms of Natto in this database (4 per 100 g).
Check Natto (fermented soybeans) in the Logi app, with your portion.
