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Information on the latest vitamin D news and research.

Find out more information on deficiency, supplementation, sun exposure, and how vitamin D relates to your health.

My Vit D3 is 37 nmol/l with serum calcium 9.2 mg/dl.. Is it normal or not ..does it require supplementation?

Ask the Vitamin D Council

Asked by  zaina.dr07982300 on July 23, 2016


  • zaina.dr07982300
     zaina.dr07982300 on

    See title

    Answered by  zaina.dr07982300 on

  • IAW
     IAW on

    This is the short answer.
    Most ranges for Vitamin D START at 20 to 30ng/ml, for you that means 50-75nmol/l. (In the USA the range starts at 30ng/ml.) So at 37nmol/l you are deficient.
    Now organizations such as here at the VDC believe that enough studies and evidence and research point to the fact that a “healthy” level is a minimum of 50ng/ml and for you that would be 125nmol/l. So now you are really deficient. Any level below 40ng/ml (100nmol/l) and your risk for cancer and autoimmune disease increases dramatically.
    This website and others exist to promote the knowledge that Vitamin D levels need to be higher in order for humans to be healthy. Unfortunately those in “medical politics” are slow to respond to any changes!!!
    So yes you need supplements and/or more sunshine which sometimes is hard to get with lifestyles the way they are or in winter. For most people a supplement of 5000iu a day of Vitamin D, will get you to that level.

    Answered by  IAW on