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While more controlled research is needed, current evidence suggests their combined administration may accelerate repair and help restore tissue balance
Injections are also advantageous for individuals who have undergone gastric surgery, as the procedure can: Decrease the number of cells needed to secrete stomach acid and intrinsic factor in the gastrointestinal tract Help bypass absorption challenges Provide adequate levels of the essential vitamin Immediate Increase in Blood Levels B12 injections can raise blood levels of the vitamin within 48 to 72 hours
It can be stored at room temperature and is resistant to hydrolysis, enzyme digestion, and even gastric juice
Factors such as injection frequency, individual differences, and underlying health conditions can influence the duration of B12 injection benefits
Specifically, eligible studies included participants (P) with a confirmed diagnosis of vitamin B12 deficiency, interventions (I) involving oral or sublingual vitamin B12 administration, comparators (C) using intramuscular supplementation, and outcomes (O) reporting changes in serum vitamin B12 or homocysteine levels
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