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A 25-year-old male asked:

Does vitamin b12 low level cause weight loss ans vitamin b12 supplement cause gain in weight?

1 doctor answer1 doctor weighed in
Dr. Robert Lang
Internal Medicine - Endocrinology 53 years experience
No: Vitamin B12 is needed for making blood cells, proper function of the nervous system and for the function of many enzymes in the body. It doesn't have a major effect on weight.
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Last updated Jun 4, 2019


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