That's on top of the administration rate above
Hydroxocobalamin (B12) Solution for Injection 1mg/1ml Ampoules provide a highly effective and long-lasting form of Vitamin B12, essential for energy production, neurological health, and red blood cell formation
Side effects are generally mild and may include slight soreness at the injection site or temporary warmth
Note : Cobalamin comes in several medical forms such as Cyanocobalamin and Hydroxocobalamin
Final Thoughts So, where does that leave the question of how long a B12 shot lasts
(L-Valine,L-Glutamine,L-Glycine,L-Proline, L-Lysine, L-Alanine,L-Arginine,L-Histidine,L-Leucine,L-Tyrosine,L-Serine, L-Threonine.L-Lsoleucine,L-Tryptophan, L-Methionine) Take one capsule daily