are b12 injections safe for anyone Shots at Home: How, Where & How Often to Inject Yourself Vitamin B12 Injections - Philadelphia

These potential vitamin B12 side effects include headache, rash, itchy skin, dizziness, swelling, anxiety and cold symptoms

Individuals with fibromyalgia have been shown to have lower blood levels of growth hormone, as well as a blunted rise in growth hormone in response to exercise, compared with healthy individuals

Mitochondrial SIRT3 as a protective factor against cyclosporine A-induced nephrotoxicity

But people can get blemishes from flu shots, so there is no direct correlation that B12 causes blemishes. Unfortunately though, theres no way to know beforehand if B12 will cause a breakout

Well explain how B12 therapy works in plain language, not medical terms