Although oft-repeated amounts of iron n the blood prevent hair loss, a diet combining two food types are essential. These are food which encourage proper iron absorption. Not all of the iron supplements is absorb in the body only 60% of it. The 40% will be wasted that is why the fecal matter is black. While iron-rich food 100% will be absorbed. These food are lean meat, oysters, steamed clams,egg yolk, spinach, prunes, raisins, dried fruit, soybeans, tofu, lentils, brocolli, and other green leafy vegetables. Drink high vitamin C, such as freshly squeezed orange juice, also improve iron absorption.