Role of L carnitine in female infertility Reproductive Biology and Endocrinology Springer Nature Link Frontiers Effects of L carnitine supplementation on lipid profile in adult patients under hemodialysis: a systematic review and meta analysis of RCTs L Carnitine: Benefits, side effects, and dosage Frontiers Effects of L carnitine supplementation on lipid profile in adult patients under hemodialysis: a systematic review and meta analysis of RCTs 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