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Description
A 2018 Cochrane review article [7] suggested that high-dose (10002000 g/day) oral vitamin B12 replacement may be as effective IM vitamin B12 replacement

Expertise and Care Our team of skilled healthcare professionals, including nurses and doctors, ensures safe and effective IV therapy

Also of concern is the possibility of Stevens Johnson Syndrome
There are many reasons why vitamin B12 deficiency is common

It might occur because of the downregulation of mTOR expression and other oncogenes due to melatonin (Lee et al., 2013)