[1] Because intrinsic-factor-dependent uptake in the distal ileum can be absent in conditions such as autoimmune gastritis, pancreatic insufficiency, or bariatric surgery, the intramuscular or subcutaneous route bypasses gastrointestinal barriers and reliably restores serum concentrations
repletion reverses hematologic symptoms within days and neurologic sequelae over weeks, reflecting differential tissue turnover
Elderly patients tend to have a greater frequency of decreased hepatic, renal, or cardiac function, and also have concomitant disease or receiving other drug therapy
Methylcobalamin is distributed into breast milk in amounts similar to those in maternal plasma, and distribution in breast milk allows for adequate intakes of methylcobalamin by breastfeeding infants
Stanford University School of Medicine Harvard Medical School Bridgewater State University Frequently asked questions 01 What are the most common side effects of B12/MIC Injections
The outer thigh has fewer nerves and blood vessels, which helps reduce the discomfort associated with the injection