where to inject b12 intramuscular Injections at Home - Safety Guide for Self-Administration Optimal B12 Injection Sites for
Description
But because of their potency and potential risks, they are controlled by laws: you must have a consultation and a prescription to get them, and they should be used by the intended patient according to the instructions

Self-administration or changing the dosage without medical advice may lead to inadequate treatment of the deficiency or adverse effects

The Best Type of Vitamin B12: Cyanocobalamin or Methylcobalamin

A 2017 study used it with carboplatin followed by maintenance with Alimta alone
