is oral vitamin b12 as effective as intramuscular injection Efficacy of different routes of supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta-analysis Table 2 from Sublingual vitamin
Description
gives me good energy

Turn it upside down and gently pull the plunger out to draw in the prescribed amount of B12 solution into the barrel
Any residual drug in the dead space of the syringe is considered trivial and must be discarded after the administration of the injection

Handling: Multi-dose vials should be handled under sterile conditions to prevent contamination

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