can you take too much b12 injections many How Often Get Vitamin B12 Injections? Safe Schedule Guide How Long Does It – Consequences of Excess or Deficiency

Methylcobalamin injections should be used cautiously in those patients with benzyl alcohol hypersensitivity

One unit equals 0.01 mL of liquid

[2] [1] With neurological involvement: Hydroxocobalamin 1mg intramuscularly on alternate days until no further improvement, then maintenance injections every 2 months

Sangle P, Sandhu O, Aftab Z, Anthony AT, Khan S

Feeling unusually tired, losing focus, or noticing slower stamina can indicate your levels are dipping

CDC summarizes USP guidance: date an opened multi-dose vial at first puncture and discard it within 28 days unless the manufacturer states another opened-vial date. The dose count and 28-day window together require three vials for the 12-week protocol