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Description
Its also been speculated that oral methylcobalamin or injected hydroxycobalamin may be preferable in smokers, but that hasnt been conrmed

E., Hampton G
Extreme deficits (800-1,000 calories below maintenance) are unnecessary and counterproductive because they increase muscle catabolism and metabolic adaptation

If left untreated, severe vitamin B12 deficiency can lead to complications such as megaloblastic anemia, nerve damage, and neurological disorders

Anxiety, poor sleep quality, or insomnia
