Acetyl L Carnitine VS L Carnitine: Which is Better? Acetyl L Carnitine vs L Carnitine: 4 Key Differences Momentous Remember to PLEASE talk with a provider to confirm supplements you should be taking. You do not need to be taking all of these. The Role of Carnitine in the Male Reproductive System NG 2004 Annals of the New York Academy of Sciences Wiley Online Library Frontiers The efficacy of orally administered L carnitine in alleviating ovarian dysfunctions has laid the foundation for targeted in vivo use: a study employing self control and propensity score matching