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Statements Author contributions YT: Conceptualization, Supervision, Validation, Writing original draft, Writing review & editing
Choosing a Form at FOY: Decision Criteria Our team considers multiple factors when recommending B12 forms
Deficiencies in vitamin B12 (particularly in patients also taking metformin), iron, and other nutrients have been linked to cognitive symptoms
The risks of using unverified compounds of this type are real and not well characterised
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