Hi, I am a 20 year old female recently diagnosed with a very low vitamin D level, my 25(OH) Vitamin D (total) result was less than 8.0 ng per mL, based on a blood test done around 4 months ago. I was advised to take Vitamin D3 60,000 IU once a week for 2 months. However, since I also have vitiligo and am currently undergoing depigmentation treatment, I strictly avoid sun exposure. I have heard that in such cases, a longer term vitamin D supplement may be necessary. Could you please guide me on how much vitamin D I should be taking daily in my situation? Also, should I be taking magnesium supplements alongside, and if so, in what dosage?

Answered by 1 Apollo Doctors

Dr Siri Nallapu

General Practitioner

MBBS
5+ Yrs

Consult Now

With severe deficiency and sun avoidance, long term maintenance may be needed. After initial course, take 2000 to 4000 IU daily and magnesium (200 to 300 mg) if not contraindicated.

Dr. Siri Suggests...

Take a Vitamin D Test Test or Take a Magnesium Test Test

Book Vitamin D Test Test Book Magnesium Test Test

Answered 29/08/2025

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