Intramuscular vs. Subcutaneous Injections: What's the Difference? Intramuscular (IM) shots go deep into the muscle for faster absorption, while subcutaneous (SubQ) injections are placed just under the skin for slower, more sustained 6 Benefits of L Carnitine Injections MedHealth 360 How To Give A Subcutaneous Injection And Sites The HCG Institute Subcutaneous Injection: What It Is and How to Give One L Carnitine Body Contouring Institute BCN Mesotherapy Serum Dermishop