doi: 10.1371/journal.pone.0043484
As researchers from Cornell University Medicine stated, Management requires correctly diagnosing cobalamin deficiency, reversing it, defining its underlying causes, preventing relapse, managing the underlying disorder and its complications, and educating the patient. Do You Need B12 Injections
They are not FDA-approved to diagnose, treat, cure, or prevent any disease
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Unexpectedly high B12 levels without supplementation warrant GP review as they may indicate underlying liver disease, kidney disease, or blood disorders
Revive If you are feeling tired and run down all the time, suffering from unexplained aches and pains and continually falling victim to colds and other infections, then you may have a vitamin B12 deficiency