injection of vitamin b complex with vitamin b12 uses POLYBCOM – B12 Deficiency Treatment sheep and swine Vitamin B12 Injection: Energy Boost
Description
Higuchi Y, Zeng H, Ogawa M

Since the body cannot produce B12 on its own, it must be obtained through diet (found in animal products) or supplements, such as B12 injections
Many of my patients find it helpful to slightly bend their knee when injecting into the thigh, which naturally relaxes the vastus lateralis muscle

These aren't just arbitrary rules

Soy Products : Tofu, and soy milk
