Preclinical studies show no significant toxicity at therapeutic doses, with treated animals displaying no adverse behavioral changes or organ dysfunction
A B12 deficiency can cause demyelination, leading to neuropathy with neurological signs like numbness, pins and needles, and muscle weakness, especially in the feet and hands
However, someone with a more severe deficiency might need to wait a little longer, possibly requiring multiple injections to replenish their B12 stores
Information provided on this page is educational in nature and based on publicly available scientific literature describing biochemical and investigational research contexts
never reuse needles as this increases infection risk and causes needle dulling that makes injections more painful
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