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Description
It is necessary for the growth and replication of all body cells and the nervous system's functioning, and deficiency causes pernicious anemia and other forms of megaloblastic anemia and neurologic lesions

Interestingly, though, the absence of B12-rich food in your diet doesnt automatically imply that you are deficient

Neuroprotection protocols use 0.25-0.5 mg daily subcutaneously or orally

Now 20 years later Ive chosen Nalgene every time I lose my bottle
