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High-dose oral B12 supplements cost approximately $60 to $180 per year and are available over the counter
References Cox HD, Smeal SJ, Hughes CM, Cox JE, Eichner D
GH is a 191-amino acid, single-chain polypeptide that is synthesized, stored and secreted by somatotropic cells within the lateral wings of the anterior pituitary gland
Less than 1% of people with B12 deficiency report getting optic neuropathy
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