lump under skin after b12 injection Lumps or swelling your injection? Don’t panic it’s more common than you think., This usually comes from injecting in the same spot too often, not letting the oil fully disperse, or just your Hard Lump Under Injection Site:
Description
How to get a prescription for b12 shots If you find that B12 injections require a prescription in your area or if you prefer the guidance of a healthcare professional, obtaining a prescription is a straightforward process

The thread runs through the subcutaneous tissue at a uniform depth

The best part

Cyanocobalamin, a slightly toxic, synthetic form, is especially dangerous to pernicious anemia patients
