who gets b12 injections Best Vitamin Injection Sites Vitamin B12 Injections: Benefits and
Description
doi: 10.1016/s1734-1140(10)70304-2

The lower abdomen (2 or more inches from the navel) is the most popular site due to fast absorption and low pain

Tested for high purity standards, it is intended strictly for laboratory and research use

Age- As we age, our bodies may become less efficient at absorbing B12 from food, increasing the risk of deficiency
PLoS ONE 5 , e8547 (2010)

No alcohol