composition l-carnitine Carnitine – Turnpaugh-health an amino acid derivative that helps horses metabolize sugar and fat Acetyl-L-Carnitine - Performance & Muscle
Description
Aquaculture 497:1016

Topical use is the most problematic for breakouts, but taken as a supplement it might cause issues, too (we dont know for sure yet)

provide evidence that endometriosis may cause aneuploidy in the human oocyte, although larger sample sizes are needed to substantiate this

Selenium : this essential mineral enhances semen quality, as it improves sperm concentration, motility, and morphology
