[DOI] [PMC free article] [PubMed] [Google Scholar] 23.Lu P, Graham L, Wang Y, Wu D, Tuszynski M
The size of the molecules selected may permit understanding of the different routes of transport, with molecules such as inulin, polyethylene glycols (PEGs) and Fluorescein Isothiocyanate-Dextran (FITC-Dextran) being utilised for assessment of the paracellular route, whilst larger molecules such as horseradish peroxidase can be utilised for assessment of the transcellular route [21]
B12 deficiency causes fatigue, anemia, and neurologic symptoms, and is more common in older adults, vegans, and those with malabsorption conditions
Weeks 1-4: 2.5 mg (initiation only) This is not a therapeutic dose
The amount of B12 in your body is primarily determined by what you eat
For patients with these conditions, a maintenance schedule of injections every one to three months is typical after getting their levels back up