vitamin b12 injection is given where How to Give B12 Injections
Description
Pinch The Skin: Create a firm grasp of the fatty tissue by pinching the skin using your non-dominant hand

Well explore the most effective spots, explain why finding the best location for a B12 injection matters, and cover why rotating between different B12 injection places is crucial for long-term care, so you can feel confident in your treatment

doi: 10.1016/j.tips.2005.09.002

Stacking them addresses both substrate metabolism and cofactor availability

Medical applications of vitamin B12 injection 1

[1] Other rare side effects noted (mostly in older literature or high-dose use) include: polycythemia vera and peripheral vascular thrombosis in patients receiving repeated injections (though these associations are not well understood, they were listed in prior product literature as possible adverse events)