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Sources: Hong S, Moreno-Navarrete JM, Wei X, et al
Replacement therapy for vitamin B12 deficiency: comparison between the sublingual and oral route
Where to Inject B12 First, decide whether youll inject subcutaneously or intramuscularly
Find out how and when to take it so your body gets the most from it
Follow safety protocols and handle the compound in a controlled lab environment with personal protective equipment
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