1991 Oct 26;303(6809):1026-9
A popular mens dietary supplement since 2003, FertilAid Multivitamin For Men combines key fertility nutrients and antioxidants with a comprehensive male multivitamin to offer more potent support for mens reproductive health* Designed to Support Male Reproductive Health.* This powerful mens fertility supplement is two-in-one fertility blend that brings together ingredients to help support count, shape, motility, and integrity, including methylfolate, methylated vitamin B12, L-carnitine, maca, CoQ10, and zinc* Clean Formula: Fairhaven Health Mens Prenatal vitamins are free from gluten, dairy, peanut, tree nut, fish, shellfish, sesame, and egg
(PubMed) Ledezma E, DeSousa L, Jorquera A, et al
Think of it this way: retinol is a drill sergeant