Spinach: Spinach is considered a very good source of iron-rich things. If there is less hemoglobin in the blood, then it is advised to include diet in the food. Elements like calcium, sodium, mineral salts, chlorine, phosphorus and protein are found in spinach. About 2.7 mg of iron is found in 100 grams of spinach. It can meet up to 15 percent of the daily requirements. It also has many other advantages.