1. Fatigue / very intense weakness
A feeling of fatigue and a very intense weakness is one of the common signs of iron deficiency and affects more than half of people with iron deficiency.
This can be explained by the fact that iron is responsible for producing hemoglobin, a protein found in red blood cells, which helps carry oxygen in the body.
When our body does not have enough hemoglobin, less oxygen gets into our muscles and tissues, which causes a lack of energy.
Since fatigue is considered a normal part of a busy modern life, it is difficult to diagnose iron deficiency with only this symptom. However, many people with iron deficiency will not only feel tired, but also weak and moody, and will have difficulty concentrating.
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