My 25 hydroxy vitamin D value is 10.4 ng/ml. According to the lab report, the minimum should be 20 ng/ml. I have to remain mostly indoors due to the nature of my job. Please suggest the daily dosage of vitamin D and the duration of medication required to attain and maintain normal levels.

Answered by 1 Apollo Doctors

Dr Yusuf Mohammad

General Practitioner

MBBS
Advanced Certificate Course in Dermatology
8+ Yrs

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With levels this low, start Vitamin D3 60,000 IU once a week for 8 weeks, then once monthly. Also, get sunlight for 15 to 20 mins daily. Maintain with 800 to 1000 IU/day orally if levels normalize.

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Answered 11/09/2025

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