While rarely reported, some people have noticed a headache, slight itching at the injection site, or minor levels of anxiety.
Haematopoiesis (Blood Formation): B12 is crucial, alongside folic acid, for the synthesis of DNA and the proper maturation of red blood cells
Depending on the compound being reconstituted and the intended use, a reconstitution solution could be bacteriostatic water, sterile water, sterile saline, or even a specially buffered solution designed for a particular peptide or medication
Side Effects of Vitamin B12 Shots Theres no upper limit for the intake of Vitamin B12 because the risk of toxicity or overdose is low
Note: While B12 is sometimes marketed as an energy booster, strong evidence of benefit in individuals with normal B12 levels is limited