Iron is an essential mineral necessary for the human body's proper functioning. It is responsible for helping transport oxygen throughout the body and plays a key role in energy production and various metabolic processes. Iron is generally found in various foods, including meats, fish, poultry, beans, iron-fortified cereals and bread. However, there are times when an iron supplement may be necessary.

The decision to supplement iron depends on a person’s age, diet, health, and potential medical conditions. Women of child-bearing age and pregnant women, for example, are often recommended to take an iron supplement. This is because the average diet does not necessarily supply their increased need for iron during these times. Adolescents, particularly teenage girls, may also need to supplement their diet with iron if they are not receiving enough through their diet.

In addition, individuals with certain medical conditions may require an iron supplement. Conditions such as anaemia, which a low red blood cell count characterizes, can be caused by iron deficiency and require an iron supplement. Individuals with gastrointestinal disorders, such as Crohn’s disease and celiac disease, can also benefit from an iron supplement. This is because their bodies may not be able to absorb enough iron through their diet alone. People who are on blood thinners and those who go through periods of blood loss, such as during childbirth, may also need to supplement their diet with an iron supplement.

It is important to note that an iron supplement should not be taken without consulting a doctor first. Too much iron can be toxic and lead to serious health complications, such as vomiting, an irregular heartbeat, liver damage and even death. Several tests can be used to determine a person’s iron levels and what supplementation options might be best for them.

In general, many individuals consume enough iron in their diet to meet their needs. However, an iron supplement may be recommended for those at risk of developing an iron deficiency. It is important to always consult a doctor before taking an iron supplement to ensure that it is both necessary and safe.