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Vitamin D levels are generally categorized as follows:
* Severe Deficiency: Below 30 nmol/L (12 ng/mL).
* Insufficient Level: Between 30 nmol/L (12 ng/mL) and 50 nmol/L (20 ng/mL).
* Optimal Level: Between 50 nmol/L (20 ng/mL) and 125 nmol/L (50 ng/mL).
* High Level: Above 125 nmol/L (50 ng/mL).
What should the vitamin D level be?
* Severe Deficiency: Below 30 nmol/L (12 ng/mL).
* Insufficient Level: Between 30 nmol/L (12 ng/mL) and 50 nmol/L (20 ng/mL).
* Optimal Level: Between 50 nmol/L (20 ng/mL) and 125 nmol/L (50 ng/mL).
* High Level: Above 125 nmol/L (50 ng/mL).