b12 injection sites pictures Instruction Guide for Intramuscular (IM) Self-injection of Methylcobalamin 1mg/5mg Vitamin C and B12 Injection
Description
5-Amino-1MQ is short for 5-amino-1-methylquinolinium

You take them daily, usually after a meal

A vendor unwilling to publish HPLC/MS results for the batch you're buying has nothing to verify their purity claim against

SAEs relatedness to the administration of vitamin B 12 or placebo will be judged by the investigator/designee, the Ethics Committee and the DSMB who will have access to all relevant investigations, clinical assessments and if require unblinding allocated interventions

A mild, short reaction is common and recognised
