Vitamin B-12, also called cobalamin, is a water soluble vitamin that plays a key role in the formation of blood (red blood cells and white blood cells), normal functioning of the brain and nervous system. Vitamin B-12 is one of the eight B vitamins, and it is involved in the metabolism of every cell in the human body.

Expect results in 1-2 business days.

Preparation: This is not a fasting test.

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