im sites for b12 injection Best Vitamin Sites: Where to Inject B12 · PA Relief How to Administer B12 Injections

Label the vial with the preparation date and the concentration, noting whether the concentration refers to the iodide salt at 286.11 g/mol or to the free cation at 159.21 g/mol, since that choice changes every downstream molar calculation

Can age or health problems slow down how fast B12 works

in extremely deficient areas, repeat dose every 2 - 3 months

These are usually limited to the injection site and settle quickly on their own

versions, but the active ingredients and effectiveness are the same

For others, it might take a few weeks of consistent injections before you notice a change if your symptoms are more complicated, such as numbness, exhaustion, or memory problems