Frontiers The Effect of Antioxidants on Sperm Quality Parameters and Pregnancy Rates for Idiopathic Male Infertility: A Network Meta Analysis of Randomized Controlled Trials Treat Male Infertility With 4 Proven Supplements That Support Sperm Health Reproductive Medicine & Infertility Associates How Supplements May Influence Male Fertility Ch coutances Chronic oral administration of L carnitine induces testicular injury: in vivo evidence International Urology and Nephrology Springer Nature Link