Combining L Carnitine with Pre Workout for Effective Fat Loss Cutler Nutrition Liquid L Carnitine Supplement with Acetyl L Carnitine & L Carnitine Tartrate Forms Pre Taking a preworkout AND carnitine? It is important to get the timing of each supplement right to get the best results with both. Watch as Phil explains the best way to combine them. , #preworkout L carnitine 15ML (25minutes before workout), Pre workout 25minutes before workout 1 recommended scoop ., Step 1 : Add L carnitine supplements before workout, Step 2: Add cardio after workout 15 30 Protein + Carnitine Recovery 8000 EC Sports Supplements Turn Every Sip Into Burn Mode Not just another supplement this is your pre workout in a refreshing mango sip SwissLife Forever L Carnitine Tartrate Liquid 3000mg Fuel your body.