Natto leads 6–4 · 10 categories decided
Black beans, cooked: 100 g · Natto: 100 g.
The verdict
Natto comes out ahead, winning 6 of 10 nutrient match-ups.
Pick Black beans, cooked for more fiber, less sugar, less saturated fat and less sodium.
Pick Natto for more protein, more potassium, more calcium, more iron, more magnesium and more vitamin C.
Head-to-head
- Energy132 kcal211 kcal
- Proteinmore is better8.86 g19.4 gWIN
- Carbohydrate23.71 g12.68 g
- Fibermore is betterWIN8.7 g5.4 g
- Total sugarsless is betterWIN0.32 g4.89 g
- Total fat0.54 g11 g
- Saturated fatless is betterWIN0.14 g1.59 g
- Sodiumless is betterWIN1 mg7 mg
- Potassiummore is better355 mg729 mgWIN
- Calciummore is better27 mg217 mgWIN
- Ironmore is better2.1 mg8.6 mgWIN
- Magnesiummore is better70 mg115 mgWIN
- Vitamin Cmore is better0 mg13 mgWIN
- Vitamin Dmore is better——
Winners are decided by deterministic per-metric rules on the stated basis; ties and missing data don’t score (missing ≠ zero). Educational information only — not medical advice.

