b12 injection side affects can make you sick Vitamin B12 Injections – Philadelphia Medical Group Are B12 Injections Safe? Side
Description
Anecdotal reports from research subjects and biohacking communities describe body composition improvements, increased subjective energy and mental clarity, and minimal side effects, though these uncontrolled observations require cautious interpretation and cannot substitute for rigorous clinical trials

After a successful injection, apply pressure to stop any bleeding
It doesn't make any difference

Kecel-Gunduza, S., Kocb, E., Bicaka, B., Kokcub, Y., Ozela, A

Unlike stimulants that artificially boost energy through sympathetic nervous system activation, the energy improvements from NNMT inhibition come from enhanced cellular metabolism

Preferential transfer of mitochondria from endothelial to cancer cells through tunneling nanotubes modulates chemoresistance
