The Author . Tribestan is a natural product effective on the sexual reproductive system. It is obtained from the thorn plant Tribulus Terrestris L., growing in Bulgaria. The natural habitats of the plant have been extensively studied and are well defined as species and like other plants, would often change its composition depending on the site and conditions of growth. The cultured plant is already being used in Bulgaria as well.
Cultivation is a complicated process because of the specificity of the plant.
Tribestan improves sexual activity, and also improves and prolongs penile erection in men. It has stimulating effect on spermatogenesis by increasing the number of spermatozoa and their motility and viability. In women it also improves sexual activity and stimulates ovogenesis. It has beneficial effect on the vasomotor symptoms during natural and post-castration menopause, and on the subjective complaints of sleeplessness, general strain, irritability or apathy, etc. Tribestan decreases serum cholesterol levels.