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IGF-1 is both a Dr
Once clinical improvement is confirmed, maintenance supplementation of B 12 will generally be needed for life
Your doctor will choose the type of treatment based on the underlying cause and severity of your deficiency
B12 is safe on its own, but a few conditions call for extra care, which is why a provider reviews your history before treatment: Leber's hereditary optic neuropathy, a rare inherited eye condition, where certain forms of B12 may be a concern for the optic nerve
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