Carnitine traffic and human fertility ScienceDirect Role of L carnitine in female infertility Reproductive Biology and Endocrinology Springer Nature Link Improved Pregnancy Rates with L Carnitine Plus Acetyl L Carnitine Every person is different, but these supplements are well tolerated and can make a difference for many patients., For men with abnormal sp3rm parameters:, 1g L Carnitine, 1g Vitamin C, Daily L Carnitine injection is recommended at 1 ampule every 2 3 days for best results. The L Carnitine is taken intravenously either by normal injection or using a butterfly needle. After taking this L Carnitine, you