Vitamin B-12
Alternative names: VITAMIN B-12, Vit B12, B12, Cobalamin
Clinical Summary
MedlinePlus describes Vitamin B12 as an essential vitamin needed for nerve function, red blood cell production, and DNA synthesis.
Higher-Than-Range Notes
MedlinePlus notes that high B12 levels can sometimes indicate liver disease or diabetes, but is generally non-toxic.
Lower-Than-Range Notes
MedlinePlus notes Vitamin B12 deficiency can cause fatigue, neurological symptoms like tingling, and megaloblastic anemia.
Commonly Measured Alongside
Longitudinal Tracking
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General Reference Information: This definition is sourced from public health reference libraries for patient education. It is not intended to substitute professional medical diagnosis, clinical reviews, or treatment plans. Always consult with a qualified health provider regarding your laboratory results.