b12 shot injection side effects Common & Rare of Vitamin Injections What Are B12 Shots? 5

If you have a vitamin deficiency, they may be a good option for you

The other risk is chemical contamination, either from certain types of plastic containers, or from chemical vapors that pass through the walls of the water containers

for instance, an increase in energy or improvement in mood can often be felt in the first week or two, thanks to the vitamin B in the injection

Benzyl alcohol at 0.9% concentration inhibits bacterial growth at refrigeration temperatures but loses efficacy above 8C, allowing colonies to form within 4872 hours at room temp

BMC Public Health 2012;12:394

The benzyl alcohol is there to maintain that sterile environment after the vial has been opened and exposed to the outside world, even for a moment