Research
Micronutrients & recovery
Glutathione peroxidase 4 plays a crucial role in male fertility by acting as an anti-oxidative enzyme and serving as a structural component of the sperm midpiece.
For men concerned with fertility, maintaining adequate selenium levels is important for sperm structure and antioxidant defense. This is one specific benefit among many selenium provides.
ModerateSupportsMEDIUM confidence
crucial role of glutathione peroxidase 4 in male fertility by acting as an anti-oxidative enzyme and as a structural component of the spermal midpiece
Why this rating
Described as 'fascinating' and 'incompletely understood' in a review context.
Source
"Selenium: Its Molecular Biology and Role in Human Health"
Hatfield et al. · Free Radical Research · 2002
DOI 10.1080/10715760290006394
narrative_reviewCited 653×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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