b12 self injection video Treating Severe Vitamin Deficiency How to give yourself a

[9] Visual disturbances have been reported in patients with Leber hereditary optic neuropathy, and rapid B12 administration may precipitate optic nerve atrophy in this genetically predisposed population, mandating extreme caution or alternative therapy

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Now you may think that this would place a large burden on medical practices, because they have to talk to many people to estimate and try to understand every persons clinical situation and symptoms

The effects of oral B12 vitamins become visible after a minimum period of 2 to 4 weeks