Selenium protects reproductive cells from oxidative stress and is essential for sperm motility and egg quality.
Selenium is a trace mineral essential for fertility, functioning as a cofactor for selenoproteins that protect reproductive cells from oxidative damage and support sperm motility and egg quality. Optimal selenium status is critical for conception.
Selenium is incorporated into selenoproteins, including glutathione peroxidase and thioredoxin reductase, which protect cells from oxidative damage—particularly important in reproductive tissues exposed to metabolic stress. In males, selenium supports sperm motility, protects sperm DNA from oxidative damage, and is concentrated in the midpiece of sperm where it powers cell movement. In females, selenium supports follicle development, protects developing eggs from oxidative stress that causes chromosomal abnormalities, and is involved in thyroid function, which significantly influences fertility. Selenium deficiency has been associated with poor sperm quality, reduced female fertility, and increased miscarriage risk. The mineral also modulates inflammatory responses important for implantation. Selenium content in foods is highly dependent on soil selenium levels in farming regions.
Provides antioxidant protection to reproductive cells, supports sperm motility, and protects gametes from DNA damage and oxidative stress.
Consume 55 mcg daily of selenium through diverse dietary sources, particularly selenium-rich foods like Brazil nuts (2-3 nuts daily) or seafood. Avoid excessive supplementation (more than 200 mcg daily) as selenium has a narrow therapeutic window and toxicity is possible at high doses. Consider blood selenium testing if fertility concerns exist.
Adequate selenium status protects reproductive cells from oxidative damage and is essential for optimal sperm motility and egg quality.
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