where to put b12 injections Instruction Guide for Intramuscular (IM) Self-injection of Methylcobalamin 1mg/5mg Safe B12 Injection Guide at
Description
The U in U100 insulin stands for units, and the 100 means that there are 100 units of insulin in every mL of liquid

benzyl alcohol 1.5%

Essentially the injection may be a temporary measure to fix levels

doi: 10.1159/000369731 47 GaoYvan HarenMJMoretEERoodJJMSartiniDSalvucciAet al

Constantly change the area where you give shots