Intramuscular vs. Subcutaneous Injections: Whats the Difference?, Intramuscular (IM) shots go deep into the muscle for faster absorption, while subcutaneous (SubQ) injections are placed just under How to Self Administer Subcutaneous & Intramuscular Injections You can come see us every week if you want for weekly injections but we also teach you how to safely self injection , subq (fat tissue)injections if you prefer to do it at home! Nova L Carnitine Vial 10ml (200mg ml) NovaNAD+ Liquid Carnitine 3000mg Plus Old School Labs