See also Vitamin B12 deficiency following restorative proctocolectomy In summary, it is recommended that if a patient with a J Pouch presents with relevant symptoms, they might well benefit from B12 supplements (usually in the form of B12 injections), even if blood test results show the B12 level is within the normal range
Researchers often evaluate identity, purity, storage conditions, concentration format, route-format comparisons, related compounds, and batch documentation before selecting a material for controlled laboratory use
Interactions with Other Medications Consult your doctor before using vitamin B12 supplements with other supplements, medications, or herbal products
For legitimate laboratories, it is generally available under research use only terms
Without enough intrinsic factor, vitamin B12 cannot be properly absorbed, leading to deficiency
B12 supplementation is appropriate for individuals with confirmed deficiency, vegans, older adults, those with malabsorption disorders, people who have had bariatric surgery, and those on long-term medications such as metformin or proton pump inhibitors
