A member asked:

How low does level of vitamin b12 need to be considered deficiency anemia?

A doctor has provided 1 answer
Dr. Stevan Cordas answered

Specializes in Internal Medicine

Low B12: Values of less than 200 pg/ml are a sign of a vitamin B12 deficiency. People with this deficiency are likely to have or develop symptoms. Older adults with vitamin B12 levels between 200 and 500 pg/ml may also have symptoms.

Answered 11/27/2017

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