Vitamin B12

The Vitamin B12 test measures the level of vitamin B12 in the blood. Vitamin B12 is a water-soluble vitamin crucial for red blood cell formation, neurological function, and DNA synthesis. This test is used to diagnose vitamin B12 deficiencies or excesses and to monitor the effectiveness of treatment.

Sample type:

Serum

Preparation:

You do not need to do anything special to prepare for the sample collection. Fasting is not required for this test.

Test type:

In person or via trained mobile phlebotomist

Biomarkers

Vitamin B12

Symptoms or conditions analyzed by this test

The Vitamin B12 test measures levels of this crucial nutrient in the blood. Deficiency in vitamin B12 can result in anemia, neurological issues like numbness and balance problems, and cognitive difficulties. Excess levels, usually from supplementation, are generally not harmful but are monitored to ensure they are within safe limits. This test helps diagnose vitamin B12 deficiency and monitor ongoing treatment.

Question 1