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2019 Nov;47(13):3238-3246
People with conditions such as pernicious anaemia or other absorption disorders may require regular Vitamin B12 injections
Macro-B12 should be suspected when a markedly high value persists with no B12 exposure, sits with an unrevealing workup, and disagrees with functional markers
The peptide in solution is already dissolved and distributed, but a quick swirl provides confidence that you are drawing a consistent concentration
Long-term safety remains largely unknown due to limited research and regulation
2015 Nov;30(13):1831-7
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