Intravenous (IV) use is less common and only done in clinical settings
For example, chronic low-grade inflammation, or "inflammaging," exacerbates tissue damage and is modulated by NAD+-dependent enzymes
[7] [8] [2] The deficiency may occur in pernicious anemia, following surgical removal of the stomach, with fish tapeworm, or due to bowel cancer
Proper preparation is the best way to prevent infection and ensure the process is as stress-free as possible
However, intramuscular shots release B12 gradually from muscle tissue, while IV infusions deliver the full dose into the bloodstream immediately
Typical loading phase protocols: Daily injections for the first week Weekly injections for the next 4-6 weeks This intense schedule quickly boosts B12 levels