Effect of dietary L carnitine on ejaculate volume (mL) (mean SE) of Download Table Improved Pregnancy Rates with L Carnitine Plus Acetyl L Carnitine Comparison of L Carnitine vs. Coq10 and Vitamin E for idiopathic male infertility: a randomized controlled trial L Carnitine: The Ultimate Supplement for Sperm Quality and Male Sexual Health Amazon.com: pcoskey FertilMale Male Fertility Supplement for Sperm Motility & Count w L Carnitine, CoQ10, Zinc Natural, Vegan Made in USA, GMP Certified 90 Capsules : Health & Household L carnitine for Sperm Motility: Boost Fertility