can you overdose on b12 injection Dose: 7 Guidelines for Adults Can You Overdose on Vitamin
Description
When trying to lose weight, vitamin B12 injections can give you energy to help you burn more calories
Accessed April 30, 2021

With b12 levels your low I wouldn't advise stopping the injections

These copper ions inhibit type 1 5-alpha reductase by up to 90% in vitro (Sugimoto et al., 1995), reducing local DHT production

Choline: An essential nutrient for health and disease
