what is b12 injection for INJECTIONS Vitamin B12 Injection Dosage For

Lipotropic injections: Benefits, side effects, dosage, and cost (Injection site reactions excerpt)

With B12 injections, you also have to be careful not to inject them into a vein

But just like with many highly effective agents, your body adapts over time

Whilst the quantities are minuscule and generally harmless, individuals with impaired kidney function may theoretically have reduced capacity to eliminate this cyanide with very high doses over extended periods, though this remains largely theoretical at normal supplemental doses

This method is more effective than oral supplements for people with absorption issues