Is Selen useful for Fruchtbarkeit?

Selenium is an essential trace element important for antioxidant defense and thyroid function, both of which can influence fertility. Studies suggest potential benefits in male subfertility (e.g., improved sperm quality) and in women with thyroid issues. However, the evidence is mixed: not everyone with normal selenium status benefits from extra intake, and excess can be toxic (selenosis). MyBody-X DNA tests may identify variants in selenoproteins, but clinical relevance is often unclear and based on mechanistic or GWAS data. Without a confirmed deficiency (blood test), supplementation is not generally recommended. Marketing claims often overstate effects. Consult a doctor or fertility specialist before taking selenium.