Symptoms of iron deficiency: endocrine disorders, dizziness, cold hands and feet, and blood clots during menstruation. But simply supplementing iron is not enough, because iron is transported by folic acid in human body, so folic acid should be supplemented.
Foods rich in iron are: pig liver, and the iron content per 100 g pig liver is 3 1. 1 mg. Beef contains 3.2 mg of iron per100g of beef. Pork contains 3.4 mg of iron per100g of pork. Soybean contains 9.4 mg of iron per100g of soybean.
Foods rich in folic acid include spinach, tomatoes, cauliflower, Chinese cabbage, mushrooms, pods and lentils.