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B12 is critical for red blood cell production, which ensures your tissues receive enough oxygen
Other tests they may do include: Advertisement Since vitamin B12 absorption is blocked, your healthcare provider may prescribe intramuscular vitamin B12 injections
Use bacteriostatic (not plain sterile) water for a multi-dose vial so the preservative supports the multi-draw window, and reconstitute gently down the vial wall rather than blasting the powder
Vitamin B12 deficiency can cause a pale or yellowish appearance to the skin
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