Fish is a nutrient-dense food, and certain varieties, such as tuna, are notably rich in iron.
The antioxidant activity of cocoa powder and dark chocolate is comparable to that of fruit extracts from berries and cherries (54Reliable Source).
Tofu is a renowned soy-based food among vegetarians and in some Asian nations.
In addition to broccoli, other cruciferous vegetables include cauliflower, Brussels sprouts, kale, and cabbage.
Quinoa is also higher in protein than many other grains, as well as nutrient-dense in folate, magnesium, copper, and manganese.
Shellfish are delicious and nutritious. Iron is abundant in all crustaceans, but clams, oysters, and mussels are particularly rich sources.
Although this is non-heme iron, which is poorly assimilated, spinach is also a good source of vitamin C.
Spinach is also rich in antioxidants called carotenoids, which may reduce cancer risk, reduce inflammation, and protect your eyes from disease