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Push the needle through the vials stopper and inject the air insidethis helps equalize the pressure and makes drawing the liquid easier
B12 shots should be kept cool, dry, and away from light
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Step 1: Concentration = 5 mg / 2 mL = 2.5 mg/mL Step 2: 250 mcg = 0.25 mg Step 3: Volume = 0.25 mg / 2.5 mg/mL = 0.1 mL Step 4: Units = 0.1 mL x 100 = 10 units Draw to the 10-unit mark on your insulin syringe
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