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 ( Is subcutaneous (sub q) glutathione injection safe and effective as a supplement for asthma management? Top 8 with Elev8: 8 Reasons Why Glutathione Injections Are the Ultimate Wellness Boost in Kitchener Waterloo PUSH Med B12 + Lipo B + Skinny Shot + Glutathione Greenville, SC PUSH Med IV Bar, IV Lounge Glutathione IM Shot