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Description
The published research on oral B12 bioavailability consistently shows around 1% absorption meaning of a 1000mcg oral dose, only about 10mcg actually reaches your cells

B12 deficiency can lead to severe and potentially irreversible neurological damage if misdiagnosed or inadequately treated

They are designed entirely for different classifications of substances

The endothelial BBB is localized in all the layers of cerebrospinal tree, whereas the epithelial blood-CSF is positioned in the brain ventricular system [5]

Coupling proceeds at room temperature for 4060 minutes
