is acetyl carnitine the same as l carnitine L-Carnitine vs L-Carnitine: 4 Key Differences – Momentous Acetyl-L-Carnitine
Description
We propose the term Male Oxidative Stress Infertility, or MOSI, as a novel descriptor for infertile men with abnormal semen characteristics and OS, including many patients who were previously classified as having idiopathic male infertility

Lin YS, Kuo TT, Lo CC, Cheng WC, Chang WC, Tseng GC, et al

The evidence here is substantial and growing

Epub 2010 Dec 10

Women suffer from thyroid disorders more than men
