How to Inject Peptide Based Medications (Subcutaneous Method) Hone Health Intramuscular and Subcutaneous Injections Clinical Skills Glutathione is known as the master antioxidant for a reason It helps protect your cells from damage, brightens your skin, and supports your liver in detoxifying your body from the inside 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