Hair loss from low ferritin (5 ng/mL) and vitamin D deficiency – how long to see regrowth? Finasteride/Dutasteride 6/14/2025
A 24-year-old male is experiencing hair loss due to low ferritin and vitamin D deficiency, and is using iron supplements, vitamin D3, finasteride, and ketoconazole shampoo for treatment. Users suggest increasing vitamin D and iron intake for better results and recommend consulting a professional for proper dosage.
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The user has been taking finasteride for a year without improvement and added minoxidil and dermarolling recently, but hair loss continues. Blood tests showed normal testosterone and vitamins, except for low vitamin D3 and an allergy, which doctors suggested could be causing the hair loss.
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