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Less commonly, nausea, fatigue, headache or dizziness can occur.

Because cobalamin in normally absorbed from food through the gastrointestinal tract, chronic diseases that adversely affect the ability of the intestines to absorb nutrients (inflammatory bowel disease is an excellent example) can lead to cobalamin deficiency
Plan this out beforehand based on your research protocol's needs

J Am Pharm Assoc 2008

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