l-carnitine for low sperm motility Evaluation of Potential in Improvement of Male Fertility Enhancing Male Fertility Through Nutrition:
Description
10.3390/medicina56080386 29
Final patient advice Be curious but cautious

Of course, its not the carnitine itself were worried about, but the toxic TMAO, and you can feed a vegan a steakliterally, an eight-ounce sirloin (anything in the name of science)

Clinical Nutrition, 37 (3), 906913
