The injection goes into the upper arm and takes just a couple of minutes
While B12 is known for its internal wellness benefits, it can also play a role in how you look in several ways: Yes
While Vitamin B12 injections are generally safe for most people, there are potential side effects, especially if the injection is not administered properly or if the individual has an allergic reaction to the components of the injection
Comparing the efficacy and tolerability of a new daily oral vitamin B12 formulation and intermittent intramuscular vitamin B12 in normalizing low cobalamin levels: a randomized, open-label, parallel-group study
On the flip side, certain supplements might complement your therapy, for example, if youre also low in B or folic acid (B), your doctor might have you take those additionally, since this particular injection doesnt include B or folate
But generally, a B12 injection can have effects lasting from a few days to a few months