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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 a 2018 study, iron deficiency affects up to 30% of the world’s population, making it the most common nutritional deficiency. If you experience these symptoms, particularly if you’re in a high-risk group like menstruating women or vegetarians, consult your healthcare provider for proper testing and diagnosis.

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Last Updated: September 29, 2025

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