b12 injection mechanism of action Vitamin B12—Multifaceted In Vivo Functions and In Vitro Applications Cyanocobalamin - Wikipedia
Description
Salud Publica de Mexico

Common injection sites include the abdomen (2 inches from navel), upper thighs, or upper arms

Excessive vitamin B12 and poor outcome in COVID-19 pneumonia
Most treatments take around 3045 minutes, including setup

The primary reason our clients get the vitamin is for that energy boost, however

Adding thiamine (B1) to vitamin B12 (B12) in Tiaminal B12 injections shows the value of treating all vitamins
