The Right Way to Take L Carnitine to Boost Your Training Stack smart, shred hard. OxyShred + Acetyl L Carnitine = your ultimate fat burning duo Boost energy, fire up your metabolism, and elevate your mood. Acetyl L Carnitine 150g Premium Performance Compound Applied Nutrition plc Yes. Theres still time L Carnitine is one of the easiest and most cost effective adds to your summer prep stack I get asked so many questions about my pre workout combo, so here it is! I take Oxyshred + Acetyl L Carnitine. This combo gives me the energy I need to crush my workouts