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While human clinical data is limited, years of anecdotal use and animal studies have helped shape reliable dosing practices
Vitamin B12 plays a key role in the functioning of the body, notably in red blood cell formation, cell metabolism, nerve function, and the production of DNA
1 If vitamin B 12 deficiency coexists with folate deficiency, vitamin B 12 should be replaced first to prevent subacute combined degeneration of the spinal cord
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