L Carnitine Tartrate 2000mg Powder Pre & Post Workout Supplement Carbamide Forte CAS 36687 82 8 L carnitina L tartrato en polvo Suplemento diettico L Carnitine Tartrate New Roots Herbal L Carnitina 2000 Early research into L carnitine was often cited as underwhelming, showing negligible changes in muscle carnitine content and fat loss outcomes. However, these findings may have been limited by a short study window