Amazon.com: Nutrex Research L Carnitine 3000 (31 Servings, Berry Blast) Liquid Shots, Stimulant Free Supports Muscle Recovery For Men and Women : Health & Household Benefits of L carnitine injections are aplenty! This injection is a great way to boost your energy levels, help with weight management, and even promote healthy heart function. Studies show that L carnitine Injection (An Alternative To Eliminating Fats Effectively) Trambellir L Carnitine: Boost Energy & Performance at Ultimate IV Isatori L Carnitine LS3 1500 Liquid, Delicious Grape Flavor for Metabolism & Fat Loss, 16 fl oz Walmart.com Ratiopharm L Carnitine plus Probio CLA 35g Weight Loss & Fat Loss Injection