Does Iron Affect Hair Growth?

Question:

I have heard that a diet that does not contain foods rich in iron can cause her loss.
Is it true? Does iron affect hair growth?

Answer:

Iron deficiency does affect hair growth.

If a diet doesn’t contain foods rich in iron and in sufficient quantities (or if the person is suffering from iron-deficiency anemia, which means the body cannot keep up with replacing iron that the body is using up), chances are a person will suffer from hair loss.
So, while iron supplements and getting Iran in excess of what the body requires will not promote the growth, low-level irons will in fact cause hair thinning.

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