Iron is an essential component of hemoglobin, a protein that transports oxygen in red blood cells. Lentils, liver, spinach, and tofu are all foods that provide iron.
Scaly fish are excellent sources of protein and omega-3 fatty acids and also contain iron.
3 oz of sardines provides 2 mg of iron or 11% of DV.
Eat sardines on their own as a snack or as part of a more substantial meal.