Iron-deficiency anemia is one of the most common nutritional deficiencies worldwide, particularly affecting menstruating women, pregnant people and growing children. Iron is essential for red blood cells to produce hemoglobin, the protein that carries oxygen.
Why the Symptoms Go Unnoticed
Extreme fatigue, pale skin, shortness of breath and dizziness develop gradually and are often mistaken for ordinary tiredness; symptoms usually become obvious only once hemoglobin has dropped significantly.
Spoon-shaped nails, cravings for non-food items like ice (pica) and hair loss are more specific signs that appear in more advanced deficiency.
Iron Sources and Absorption Tips
Heme iron (from animal sources) absorbs more easily than plant-based iron.
- Red meat: the richest and most easily absorbed source of heme iron.
- Lentils and spinach: plant-based iron whose absorption improves when paired with vitamin C.
- Pairing with vitamin C: eating an orange or pepper alongside plant iron multiplies absorption.
- Avoiding tea and coffee with meals: tea consumed with a meal noticeably reduces iron absorption.
Who Is at Higher Risk?
Women with heavy menstrual bleeding, vegetarians and vegans, people with digestive disorders like celiac disease, and regular blood donors are more prone to iron deficiency.
A condition known as sports anemia can appear in people who train intensely, due to capillary damage in the soles of the feet and iron loss through sweat.
Diagnosis and Treatment
A simple blood test (hemoglobin, ferritin) is enough to diagnose it; ferritin, which reflects the body’s iron stores, typically signals a problem earlier than hemoglobin does.
Treatment usually starts with oral iron supplements; since these can upset the stomach, they may be taken with food or in a different formulation on a doctor’s advice.
Iron deficiency rarely resolves on its own, which is why recurring symptoms are worth investigating with a blood test. With the right diagnosis and treatment, a noticeable improvement in energy levels within a few months is usually achievable.
