Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Allium tuberosum, commonly known as garlic chives, has a long history of use in traditional Chinese medicine (TCM) as a tonic for male reproductive health. In TCM, its seeds (Allii tuberosi semen, or "Jiu Cai Zi") are believed to tonify the kidney yang, which is associated with sexual vitality and male fertility. Historical texts describe its use for symptoms such as impotence, premature ejaculation, and nocturnal emissions. The traditional rationale is based on the philosophy of balancing bodily energies rather than direct physiological mechanisms identified by modern science.

Scientific research on Allium tuberosum specifically for male reproductive health is limited and generally preclinical. Some animal studies suggest that extracts from the seeds may improve sperm parameters or testosterone levels, but these results have not been robustly confirmed in human trials or widely replicated. The majority of available evidence remains anecdotal or based on traditional use rather than clinical validation. Therefore, while there is a strong traditional basis for its use, the scientific evidence remains weak, justifying a moderate evidence rating.

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