L-carnitine
Product
Improving sperm motility and egg quality for male and female fertility
"Those include things like L-carnitine and co-enzyme Q10. When having discussions with now three different fertility doctors about male and female fertility — sperm and egg health and quality — all three of them say 'I recommend to my patients co-enzyme Q10,..."
More source quotes
Part of mitochondrial supplement cocktail to support energy production
"Having these targeted supplements — creatine, carnitine, lipoic acid, B vitamins, CoQ, and probably a basic multivitamin mineral, magnesium, and zinc — that's a great cocktail."
"For sperm health, L-carnitine we like a lot. And then zinc and selenium can have benefits as well."