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If you have any sort of GI issue (GERD, reflux, SIBO/SIFO, yeast problems, chronic constipation, etc.) you will have problems taking oral forms of vitamin B12
Unlike crash diets or unsupervised medications, this medically supervised approach ensures safety, effectiveness, and long-term success
Coghlan,F.S
Study population, route, dose, single versus repeated administration, formulation, and assay sensitivity all shift the measured value
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