l carnitine and l acetylcarnitine supplementation for idiopathic male infertility in: Reproduction and Fertility Volume 1 Issue 1 (2020) The Role of Carnitine in the Male Reproductive System NG 2004 Annals of the New York Academy of Sciences Wiley Online Library Acetyl L Carnitine Dietary Supplement Seeking Health PROFORTIL No. 1 proven efficacy in male fertility SciELO Brasil L Carnitine enhances porcine sperm quality, longevity, and zona pellucida binding in cooled semen L Carnitine enhances porcine sperm quality, longevity, and zona pellucida binding in cooled semen The Relationship Between the Use of L Carnitine Supplements and the Male Sub infertility