The Vitamin B-12 test measures the level of vitamin B-12 (cobalamin) in the blood, an essential nutrient required for healthy nerve function, red blood cell formation, and DNA synthesis.

Vitamin B-12 plays a crucial role in maintaining energy levels, brain function, and overall neurological health. Low levels of this vitamin can lead to symptoms such as fatigue, weakness, memory problems, numbness or tingling in the hands and feet, and mood changes.

Vitamin B-12 deficiency may also result in megaloblastic anemia and can occur due to poor diet, certain medical conditions, or problems with nutrient absorption.

Regular testing helps detect vitamin B-12 deficiency early, allowing timely treatment and preventing long-term neurological or blood-related complications.