side effects of vitamin b12 injections Injection: Uses, Benefits, and How Quickly Does B12 Shot

Your healthcare provider will be able to determine the frequency of your injection needs after running some blood tests

For the mood and cognitive side of this, see our guides on B12 for brain health and B12 for mood and anxiety.

(But despite what you might have heard, research shows that it probably wont help your hair regain its pregnancy glory.) And in fact, many women have lower levels of biotin while breastfeeding, though experts dont fully understand why

Functional Medicine Many conditions result from vitamin deficiencies such as B-12, and injections help your body directly absorb these essential nutrients

Alcohol can interfere with your bodys ability to absorb B12