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Because of this, individuals supplementing this form of B12 often report improved quality of sleep, often will require slightly less sleep, and will not uncommonly report that they feel a bit more refreshed when waking in the morning
ISBN 978-1-135-92841-4
According to the NIH Office of Dietary Supplements, vitamin B12 is available as cyanocobalamin and hydroxocobalamin, which are typically administered parenterally by intramuscular injection to bypass gastrointestinal absorption barriers
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