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How can you get tested for a vitamin deficiency?

1 doctor weighed in
Dr. Scott Bolhack
Wound care

In brief: Vitamin testing

Blood levels of vitamins can be measured but these are often not helpful and or misleading.
A level in the bloodstream may not have any correlation to the level of the vitamin in a tissue in the body. Total panel testing is usually not appropriate; a focused test for a level of a specific vitamin based upon a clinical exam is the only thing that would be appropriate.

In brief: Vitamin testing

Blood levels of vitamins can be measured but these are often not helpful and or misleading.
A level in the bloodstream may not have any correlation to the level of the vitamin in a tissue in the body. Total panel testing is usually not appropriate; a focused test for a level of a specific vitamin based upon a clinical exam is the only thing that would be appropriate.
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