b12 injections vs b12 pills Oral vs. Injections: What Is the Difference? monthly. B12 Injections vs. Supplements –

Minimal Side Effects, Maximum Benefits Some individuals may experience minor bruising or soreness at the injection site, but these symptoms typically subside within 1-3 days. Quick & Easy B12 Injection Experience The B12 injection process is fast, simple, and designed for your comfort, helping you feel revitalized with minimal downtime

Route : Intramuscular (IM) injection

As to the pain "going in" it may be that the needle caught a nerve or vein plus the fact that you were probably a little tense and nervous

Seriously though, this kind of makes sense doesnt it

Use a circular motion, starting from the center of the injection site and moving outward