Yeast and wheat germ are high in iron. Similar foods include beets, beet greens, cabbage, whole grains, celery, parsley, cherries, dates, figs, and pears. Do not take calcium, vitamin E, or zinc at the same time as iron supplements. They interfere with each other's absorption. Omitting sugar increases iron absorption.
Bananas are moderately helpful in increasing iron absorption.
Many medicinal drugs destroy vitamin E and cause anemia. Some insecticides destroy bone marrow, so new blood cells cannot be made. Do not use food additives or artificial sweeteners. It is said that cooking food in iron pots increases the iron content of the food. Water from deep wells has more iron than city water.