A member asked:

Could having b12 shots per week for a long time cause blood clotting and any heart problem?

A doctor has provided 1 answer
Dr. Randy Baker answered

Specializes in Holistic Medicine

NO: There is no known toxicity from taking vitamin B12 in any dose by any method. However, B12 deficiency causes elevated homocsyteine which increases risk of heart disase and stroke. See http://ods.Od.Nih.Gov/factsheets/vitaminb12-quickfacts/.

Answered 6/24/2014

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