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Common signs of iron deficiency include:
- Unusual fatigue and weakness
- Pale skin and brittle nails
- Shortness of breath
- Headaches and dizziness
- Cold hands and feet
According to recent research, iron deficiency affects up to 30% of the world’s population. If you experience these symptoms, it’s important to get your iron levels tested before starting supplementation. The most accurate test is serum ferritin, which measures your body’s iron stores.
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Last Updated: September 22, 2025
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