are b12 tablets or injections better Vitamin vs. Supplements: Which is Right for You? Vitamin B12 Supplements and Injections

B12 deficiency has also been linked to migraine headaches and menstrual irregularities

Irvine et al., 2013

For others, with milder or temporary deficiencies, the initial shots might lead to longer periods of feeling well, potentially even allowing for a switch to oral supplements under strict medical guidance

Interruption of Pain Signal Pathways Pain signals from the affected area cannot reach the central nervous system during its action

An Instant Refresh for Your Mind and Body If you are suffering from a significant B12 deficiency, youll feel the benefits of getting a B12 shot pretty quickly

Some experts believe that it could be a minor allergic reaction, but its not entirely clear why it happens in a small group of people but not others, Dr