Sperm activity and the adeptness of a agent to access the changeable egg, as able-bodied as the aggregate and absorption of the sperm, play cogent roles in agriculture the changeable egg. A bifold dark extraction done by L.Setiawan Airlangga University, Surabaya, Indonesia, 1996, advised the furnishings of tribulus terrestris on men wtith oligoasthenoteratozoospermia, a accepted could cause of macho subfertility.
The balloon consisted of 30 primary and accessory barren men. Fifty percent of the men took articulate tribulus, or Libilov, 500mg three times per day for 60 days, and the others had amoroso pills. Their constant extracts was adjourned afore and afterwards treatment. The cessation showed that Tibullus terrestris L, accustomed at a dosage of 500mg three times circadian for 30 days, accepted to be able in abating agent functions like activity and acrosome reactions, or if the red receptors on the agent appear in acquaintance with the egg clabber yellow.