L Carnitine Injection Levocarnitine IV L Carnitine Injections for Weight Loss in Mesa & Scottsdale Fat Burning Injections with L Carnitine in Mesa & Scottsdale, AZ Injectable L Carnitine How It Works & What to Expect? L carnitine or what we call Skinny drip, is an amino acid naturally found in the body, which helps to convert fat into energy. Taking an injection of L carnitine once a week for 12 weeks can help