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Iron from Natto

Natto (as sold) has 8.6 mg iron per 100 g. A typical portion is 1 pack (50 g).

Ready examples

For 8 mg iron

8 mg iron = 1.9 × 1 pack (Natto)

93 g of food · 196 kcal

93 g of food · 196 kcal

For 11 mg iron

11 mg iron = 2.6 × 1 pack (Natto)

128 g of food · 270 kcal

128 g of food · 270 kcal

Amounts use USDA FoodData Central for Natto, retrieved September 22, 2026. Cooking form is the form you eat.

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Daily reference helper

Population reference only. Not personal advice.

Reference

9.1 mg iron per day. Source: WHO Guideline on iron, bioavailability 15% (approx. adult men). As of January 1, 2004.

Food for 11 mg iron

Natto

8.6 mg iron per 100 g

2.6 × 1 pack

128 g of food · 270 kcal