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Always consult your healthcare provider if you have concerns or questions about your treatment

However, several things can inhibit the secretion of intrinsic factors, which in turn decreases the absorption of B12 by around half per dose, regardless of how high the overall dosage level is given

If you have had Leber's disease (or other forms of optic nerve damage), an iron or folic acid deficiency, or low potassium, your doctor may not recommend it

decrease for stimulation/digestion issues

Phosphatidylcholine is a major constituent of all cell membranes within the body and is also required for the biosynthesis of lipoproteins.1516 Cyanocobalamin After oral ingestion, cyanocobalamin binds to intrinsic factor as well as other cobalamin binding proteins before absorption