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These reactions appear rare based on the overall review distribution but warrant mention
The solution contains a small amount of benzyl alcohol (0.9%) , which helps inhibit the growth of microorganisms and provides a longer shelf life after prodding
Unlike other nutrients, B12 requires the presence of a protein called intrinsic factor (IF) to be absorbed
Nerve irritation if injected improperly
Normal serum B12 levels are generally considered to be above 300 picograms per milliliter, though some labs use slightly different reference ranges
Preparing these solutions, of course, requires careful handling and the use of high-quality diluents like Bacteriostatic Reconstitution Water (bac) to ensure sterility and stability
