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A 45-year-old member asked:

For what reasons might vitamin d and b12 recovery time take longer ?

1 doctor answer1 doctor weighed in
Dr. David Sneid
Endocrinology 43 years experience
D is longer: Vitamin B12 doesn't take as long as most often replacement is given by injection. Vitamin d is generally oral, and can take up to three months to normalize since it's fat soluble and deposits in fat tissue.
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Last updated Apr 12, 2017

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