b12 injection availability Cyanocobalamin (B12) 1000 mcg/mL, Multiple Dose Vial 30 mL cancer) Cyanocobalamin (b12) Injection 2,000 mcg/mL

Added compounds can influence the overall stability profile of the formulation

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doi:10.22038/ijorl.2020.43663.2442

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Some people may have difficulty getting enough B12 from diet alone, especially those with low intake of animal products, certain digestive conditions, prior weight-loss surgery, or medications that affect absorption

While water-soluble, vitamin B12 requires the presence of a protein called intrinsic factor (IF) for absorption