L Carnitine vs Pre Workout: Which Supplement Should You Take? L Carnitine Linus Pauling Institute Oregon State University Nutrex L Carnitine 3000 is a stimulant free, liquid supplement designed to support fat metabolism, energy production, and endurance. Providing 3000mg per serving, it helps convert fatty acids into fuel, aiding weight loss and L Carnitine 3000 Blue Razz 16 fl oz (31 Servings) L Carnitine Tartrate SFI Health US L Carnitine helps your body turn fat into fuel improving energy, endurance, and recovery. Combine it with consistent training and a clean diet for real results! . . . . #LCarnitine #FatLoss #FitnessFuel #MetabolismBooster #LeanMuscle