vitamin b12 injections self administration Shots at Home: How, Where & How Often to Inject Yourself mixing vitamin b12 in injection

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A normal level is 400 pg/mL or higher

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Although vitamin B 12 deficiency is known to damage the myelin sheath covering cranial, spinal, and peripheral nerves, the biochemical processes leading to neurologic damage in vitamin B 12 deficiency are not yet fully understood (22)

Frisch, M.J