A 34-year-old man from Hung Yen asks: Can consuming cordyceps improve sperm quality?

Answer:

Cordyceps is a collective term for several species of fungi belonging to the genus Cordyceps, most notably Cordyceps sinensis and Cordyceps militaris. These fungi have been utilized for thousands of years in traditional medicine as a nourishing medicinal ingredient.

Research indicates that cordyceps contains numerous bioactive compounds such as cordycepin, adenosine, polysaccharides, and antioxidants. These compounds may support energy metabolism, immune regulation, and endocrine function. Oxidative stress is a key contributor to sperm DNA damage, reduced motility, and increased rates of abnormal sperm. The antioxidants in cordyceps could help protect spermatogenic cells and maintain sperm quality. However, the concentration of active ingredients varies depending on the fungal species, cultivation conditions, and processing methods. Consequently, not all commercial products achieve the same efficacy observed in studies.

Currently, most evidence regarding cordyceps' effects on sperm originates from animal studies. Clinical evidence directly demonstrating cordyceps' efficacy in humans remains limited. Existing reports suggesting cordyceps improves male physiology are primarily observational studies or small-scale reports, not findings from randomized controlled trials. Therefore, insufficient data exists to definitively conclude that consuming cordyceps improves human sperm quality. As with many medicinal herbs, individual responses can vary significantly, depending on dosage, product quality, and other health factors.

Cordyceps fungi are used in traditional medicine. Photo created by AI

It is important to note that improving sexual function does not equate to improving sperm quality. Excessively increasing exogenous testosterone can inhibit the hypothalamic-pituitary-testicular axis, thereby reducing spermatogenesis rather than enhancing it. Products affecting endocrine function require careful consideration. Using unverified or unregulated products carries risks, including the presence of harmful preservatives, heavy metals, or impurities that can compromise health.

Sperm production is a complex process. Poor sperm quality, characterized by low count, reduced motility, high immobility, or significant abnormalities, can stem from various pathological or lifestyle factors. These include smoking, alcohol consumption, late nights, chronic stress, and exposure to toxic chemicals. To accurately identify the cause and ensure effective treatment, a comprehensive evaluation is necessary. This typically involves a semen analysis, a male fertility examination, testicular ultrasound, endocrine tests, and other specialized tests as required.

If you choose to use cordyceps, consider it only as a supplementary measure, not a replacement for proven medical treatments. Select products with safety certifications, clear origins, and specified active ingredient content. Concurrently, maintain a healthy lifestyle, including a balanced diet, regular exercise, weight management, stress reduction, and avoidance of tobacco and alcohol.

If, after 6-12 months of lifestyle adjustments and prescribed treatment, natural pregnancy has not occurred, you and your partner should consult a fertility specialist for advice on appropriate assisted reproductive techniques.

Master, Doctor Nguyen Xuan Anh Duy

Fertility Support Center

Tam Anh General Hospital Hanoi