is b12 injection subcutaneous or intramuscular Best Vitamin Site: Administering B12 Shots B12 Shots vs. IV Infusions:
Description
Competitive athletes should not use it
A 2018 review (9) also found that IV glutathione therapy and injections could cause the following, rare effects as well: Skin rashes Stevens-Johnson syndrome, a rare but serious disorder that affects mucous membranes
& Vaziri, N
Once we confirm a deficiency, we'll work with you to figure out what's causing it
