L CARNITINE 1 GM 5 ML ( L CARNITINE ) 5 X 5 ML IV USE AMPOULES How to Self Administer Subcutaneous & Intramuscular Injections Know About L Carnitine Injections for Weight Loss L Carnitine Injection Kare Pharmacy Injectable L Carnitine 500mg ml (20ml) : Amazon.ca: Health & Personal Care 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