Injectable L Carnitine for Slimming: Does It Really Work? National Medical Resources Inc L Carnitene 10G Injection Affordable Price Supplier, Trader, Wholesaler, Bengaluru L Carnitine Vitamin Supplement for Energy and Metabolism Boost 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 L Carnitine 10ml OP Labs (Formerly Oxford Peptides)