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And are all measurements the same
Research from 2008 found the body absorbs roughly 1.3% of a 1,000 mcg oral dose, compared with 55% to 97% for an injected dose of the same size
Not only could it mask the true underlying cause of your fatigue (which could be a more serious condition), but it also means youre not getting the right treatment
Abstract Purpose The aim was to evaluate the clinical efficacy of intra-nasal vitamin B12 spray compared to oral B12 in the recovery of transient neurosensory disturbances of the lingual nerve post-mandibular third molar surgery
Its worth noting that vitamin B12 shots arent appropriate for everyone
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