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The treatment consists of natural compounds already present in the body, which may help minimize potential side effects [2]
Warnings Patients who have early Leber's disease (hereditary optic nerve atrophy) have been found to suffer severe and swift optic atrophy when treated with vitamin B12
We are the first meta-analysis comparing the different administration routes of vitamin B12, and the first meta-analysis includes the SL route of administration in the analysis
The same has not been seen in people without a deficiency
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