These are rare at the doses used in supervised clinical care and when they occur, they're typically mild and transient
Nothing else comes close
It is not intended to diagnose, treat, cure, or prevent any disease or condition
Water soluble vitamins, like B12, can be tolerated at higher doses without adverse effects upon the body, and the National Academy of Medicine has not established an upper limit of Vitamin B12 intake
Drinking plenty of purified water to flush your system
These patterns inform our current protocols: pre-injection metabolic screening (TSH, ferritin, B12, vitamin D), mandatory injection-site rotation education, and 12-week check-ins to address lifestyle factors