how long before vitamin b12 injections work Shots at Home: How, Where & Often to Inject Yourself How Long Do B12 Injections

Only a provider can confirm a deficiency, usually with a simple blood test

The waiting time is long, several months

Nitrous Oxide Use and Myeloneuropathy When someone suffers from vitamin B12 deficiency due to nitrous oxide misuse, they may develop myeloneuropathy

Therefore, B12 shots can be particularly beneficial for those experiencing neurological symptoms associated with B12 deficiency including chronic fatigue or cognitive problems

The temptation to escalate the dose because nothing is happening yet is exactly the mistake the timeline section is designed to head off the mechanism is cumulative, not dose-chased