why do vitamin b12 injections hurt Are Shots Right for You? Vitamin B12 Injection Pain- 7

The rate of fat reduction in these mammalian models was reportedly consistent across the study duration, without data indicating any plateau within the 12 weeks being referenced

These effects can be troublesome and may require dose adjustments or treatment discontinuation

These risks are exactly why an intramuscular injection is safer given by a trained clinician than self-administered at home

A study from Archive Pharmacal Research has suggested it may have a stimulating effect on hair follicles, and while the overall volume of copper peptide hair research still leans toward GHK-Cu, AHK-Cu continues to be studied for its hair-specific potential

PMID: 6810951.

As with any injection, mild soreness or redness at the injection site is possible