Glutathione Injections: Your Complete Guide to Brighter Skin and Better Health IV Therapy Dallas Ever wonder where the correct area to inject is? Always follow your clinician's guidance. These are the common SUBCUTANEOUS areas most people use: Abdomen: soft area LEFT RIGHT of the belly button Intramuscular vs Subcutaneous injections what's the difference? At KDR, we often use peptides and wellness injections like NAD, glutathione, and HCG, but they are not all administered the same way. Intramuscular injections ( Glutathione Injections: Benefits, How It Works & Telehealth Modern Endocrine How to Inject Glutathione Health Miracle!