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Problems with Absorption Even if someone receives high doses of vitamin B12, it doesnt necessarily mean that his or her body has the ability to properly absorb and use the whole dose
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Vitamin B12, Mayo Clinic, Vitamin B12, Fact Sheet for Consumers, National Institutes of Health, Office of Dietary Supplements, Pernicious anemia, Cleveland Clinic, Ganipisetti VM, Naha S
doi:10.1161/STROKEAHA.107.504498
Studies have not revealed a significant difference, despite claims that some formssuch as sublingual tablets or liquids inserted beneath the tongue to be absorbed through the tissues of the mouthhad better absorption than conventional tablets
