what time of day to take b12 injections How Often Should I Get Shots? A Guide Your Schedule B12 Shots: How Quickly Do

Vitamin B12 injections are unlikely to cause harm as there is no risk of overdose

Subcutaneous planning from a 50 mg vial reconstituted with 3.0 mL BAC water (~16.7 mg/mL) Phase Days 12 (tolerance) Daily dose 2.5 mg once daily Units on U-100 syringe 15 units Volume 0.15 mL Phase Days 3+ (standard) Daily dose 5 mg once daily Units on U-100 syringe 30 units Volume 0.30 mL Phase Split option (BID) Daily dose 2.5 mg twice daily Units on U-100 syringe 15 units each Volume 0.15 mL each These subcutaneous examples come from informal research discussions

Side effects are rare but may include mild soreness at the injection site

"Conformational changes on substrate binding to methylmalonyl CoA mutase and new insights into the free radical mechanism"