can you do vitamin b12 injections yourself Instruction Guide for Intramuscular (IM) Self-injection of Methylcobalamin 1mg/5mg B12 injections can benefit you
Description
Therefore, a true overdose that causes toxicity is extremely rare
Absolutely not

Vitamin B12 Injections Vitamin B12 injections deliver the vitamin straight into the bloodstream

Serum vitamin B12 levels show whether the patient is getting better

Lipotropic injections: Benefits, side effects, dosage, and cost (Usage context)

For people with malabsorption issues , the difference is dramatic
