For B12 to be absorbed, it requires a protein called intrinsic factor (IF), which is secreted by the stomachs parietal cells (3)
Mon-Fri 9AM - 7PM Saturdays 9AM - 5PM Sundays 10AM - 3PM 714 N Avalon Blvd, Wilmington, CA 90744, USA Vitamin b12 injections are prescribed medication administered for vitamin B12 deficiency treatment
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For patients who are deficient in B12 or borderline low, correcting that deficiency may help improve fatigue, sluggishness, or weakness
THIS IS NOT FOR HUMAN CONSUMPTION
The kidney in vitamin B12 and folate homeostasis: characterization of receptors for tubular uptake of vitamins and carrier proteins