Is there a blood test for nutritional deficiencies?
Yes, vitamins and minerals can be tested for nutritional deficiencies specially vitamin D and vitamin B12.
Last updated on 31 May 2023
The vitamin D test, 25-hydroxy vitamin D test is the most accurate way to measure how much vitamin D is in your body.
Last updated on 23 May 2023
Yes, ideally one should stop taking vitamin D before a blood test.
After an injection the serum B12 value rises quickly to far above the upper reference value on average 150-700 pmol/L
High levels of B12 is rare, however, it may be a sign of a serious, even life-threatening, disease. Hematologic disorders like chronic myelogeneous leukemia, promyelocytic leukemia, polycythemia vera and also the hypereosinophilic syndrome can result in elevated levels of cobalamin. You are recommended to check with a doctor.
No, they cannot detect lack of vitamins.
Cyanocobalaomin, Methylocobalamin, Vit B12
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