In pernicious anemia, intrinsic factor is absent or insufficient
Before this meta-analysis, the IM route was generally the preferred route, but our results showed that no route is usually preferred, and SL and oral routes should be considered comparable alternative routes
Increasing your intake of vitamin B12 through foods or supplements can help prevent deficiency, which may improve side effects like low energy levels and fatigue
Why some causes need intramuscular or lifelong treatment An injection bypasses the gastrointestinal tract
User 3 split AM and PM doses evenly
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