how to self inject b12 in thigh Instruction Guide for Intramuscular (IM) Self-injection of Methylcobalamin 1mg/5mg Vastus Lateralis Intramuscular Injection -
Description
Heald AH, Kaushal K, Siddals KW, Rudenski AS, Anderson SG, Gibson JM

This is usually followed by injections every three or four days for the next two to three weeks

Negative Control of GHR Signaling Control of the GH signaling cascade is also under inhibitory control, principally by two mechanisms
It is also important to consult with a healthcare provider before starting B12 shots, especially for those on medications that may interfere with B12 absorption or metabolism
