Diseases and Conditions that Glutathione Infusions Can Improve Cardiology & Neurology Specialists located in Queens, Forest Hills and Brighton Beach, Brooklyn, NY Advanced Medical Care What is the dose of Glutathione for intramuscular (IM) or subcutaneous (SC) administration? 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 in Denver Onus Hydration Bar