Natto
8.6 mg iron per 100 g
2.6 × 1 pack
Natto (as sold) has 8.6 mg iron per 100 g. A typical portion is 1 pack (50 g).
8 mg iron = 1.9 × 1 pack (Natto)
93 g of food · 196 kcal
93 g of food · 196 kcal
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.
Add up to two more plant foods. Same scale for all stacks.
Population reference only. Not personal advice.
9.1 mg iron per day. Source: WHO Guideline on iron, bioavailability 15% (approx. adult men). As of January 1, 2004.
8.6 mg iron per 100 g
2.6 × 1 pack