Subcutanous injection self administration South Tees Hospitals NHS Foundation Trust IV Nutrient Therapy Chicago Vitamin Infusion Drip 10 Pack Glutathione Intramuscular Shot ELIXR IV Therapy 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 ( How Glutathione IV Therapy Supports Natural Detoxification AZ IV Medics