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After each dose, carefully replace the outer needle shield
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Cells show the bacteriostatic water (BAC) volume to add to the vial and the resulting draw in U-100 insulin syringe units (100 units = 1 mL)
Why get a B12 injection instead of just taking an oral supplement
For intramuscular injections, 22-25 gauge is preferred, while for subcutaneous injections, 25-27 gauge is suitable
Because the fatty tissue has fewer blood vessels than muscle, the absorption is more of a steady trickle than a rush
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