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Vitamin B12 is an essential cofactor for the enzyme methionine synthase, which catalyzes the conversion of homocysteine to methionine in the sulfur amino acid pathway
Vitamin B12, also known as cobalamin, is a water-soluble vitamin that is essential for nervous system function, red blood cell development, DNA synthesis, energy metabolism, and antioxidant activity
The most common side effects appear to be related to the method of administration, which is typically intramuscular or subcutaneous injection
Long-term avoidance without supplementation can lead to deficiency over time
Copyright 2007 The New York Times Company
Correct reconstitution procedure: add bacteriostatic water slowly down the inner wall of the vial rather than injecting directly onto the lyophilised powder
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