7 doctors weighed in:

Can vitamin b-12 deficiency cause hair loss?

7 doctors weighed in
Dr. Edward Gold
Internal Medicine
5 doctors agree

In brief: Yes

Hair loss is a symptom of B12 deficiency.

In brief: Yes

Hair loss is a symptom of B12 deficiency.
Dr. Edward Gold
Dr. Edward Gold
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2 comments
Dr. Kathleen Cullen
as is iron deficiency and hypothyroidism
Dr. J. Lawrence Dohan
iron deficiency has long been considered a possible cause for hair loss. However a good study published last year failed to confirm the connection. So we have crossed off that one.
Dr. Payman Danielpour
Surgery - Plastics

In brief: Yes

In a simple answer vitamin B12 can cause hair loss as well as fatigue.
Vitamin b-12, which is also known as cyanocobalamine or cobalmin, is an essential nutrient in our diet. It is required for development of red blood cells, and is used to make the protective coating surrounding nerves.

In brief: Yes

In a simple answer vitamin B12 can cause hair loss as well as fatigue.
Vitamin b-12, which is also known as cyanocobalamine or cobalmin, is an essential nutrient in our diet. It is required for development of red blood cells, and is used to make the protective coating surrounding nerves.
Dr. Payman Danielpour
Dr. Payman Danielpour
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