Clinical Uses Vitamin B12 injections are used to treat or prevent B12 deficiency in various situations: Pernicious anemia: An autoimmune condition where gastric intrinsic factor is missing
Absorption rate compares favorably for both injectable methods over oral supplements, though IV infusions hold an edge
Vitamin B12 is an essential vitamin that helps support energy production, red blood cell formation, metabolism, and nervous system function
Mercks Keytruda ~$25B Novo Nordisks Ozempic ~$13.9B, AbbVies Humira ~$14.4B, etc
Cloudy or yellowing solution should not be injected
Rather than directly supplying NAD+ precursors (like NMN or NR), it works by blocking an enzyme that consumes nicotinamide, theoretically preserving the substrate pool for endogenous NAD+ production