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Without enough B12, the body can develop megaloblastic anemia
A settling-in reaction is typically a day or two, occasionally up to three
After positively identifying my patient (my lab supervisor), and double checking that the insulin type (rapid acting Humalog) was accurate and not expired, I proceeded to uncap the needle, picked up the vial of insulin and then promptly botched the draw by ramming the tiny needle tip into the metal seal of the insulin vial, rendering the needle dirty, dull and useless
Some supplements are vitamin B12 only, some are called B-complex supplements that contain B12, and some are multivitamin/mineral supplements that also contain B12
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