Native Americans were chewing on the bark of the white willow for pain relief and fever reduction long before the barks salicin led to the invention (and, later, FDA approval) of aspirin
Pharmaceutical-grade peptides undergo more rigorous quality control including sterility testing, potency verification, and heavy metal screening
Because both arms were simultaneously injured, I became the perfect test case for a systemic + localized peptide strategy
Daily, J., Yang, M., Park, S
Therefore, vitamin B12 should only be injected by a health care professional who is prepared to provide first aid immediately
A topical numbing cream can be applied prior to the injection if you need it