Vitamin B12 is part of a larger vitamin B complex, but it is regularly singled out as an essential vitamin that is necessary for improving health.
A Package of 5 B12 injections – $100
Improved mood, energy, and concentration
By helping the body regulate your circadian rhythms, vitamin B12 injections have been shown to help to get a better night’s sleep.
B12 may also provide a boost to the immune system by making the rest of the body run more smoothly, which can reduce your chances of illness.