According to the Natural Herbal Remedies website, tribulus has been proven to promote muscle strength, overall health and general physical prowess, all of which increase the sex drive as well.
Habitat: Rajasthan, Gujarat, Punjab and Haryana.
English: Winged Caltrops.Ayurvedic: Gokshura (related species).Unani: Gokharu-kalaan.Folk: Desi Gokharu, Aakharaa., Hasaka.Action: Fruits—diuretic, antiinflammatory, emmenagogue. Used for uterine and genitourinary disorders.
Seed—astringent, diuretic; given to women to ensure fecundity.The fruit gave sterols—stigmasterol, campesterol and beta-sitosterol; flavo- noids—luteolin, kaempferol-3-gluco- side and rutin; sapogenins—diosge- nin, gitogenin and chlorogenin. Root, stems, leaves and seeds contain sa- pogenins—diosgenin, gitogenin and chlorogenin; sterols—beta-sitosterol and stigmasterol.... tribulus alatusHabitat: Throughout India, up to 5,400 m.
English: Land-Caltrops, Puncture Vine.Ayurvedic: Gokshura, Gokshu- raka, Kshudra (Laghu) Gokharu, Shvadamshtraa, Swaadu-kantaka, Trikanta, Trikantaka. (Larger var. is equated with Pedalium murex Linn. The fruits of both the varieties are conical and have four spines, not three as the synonyms denote. Hence, Acanthospermum hispidum DC. and Martynia annua Linn. have been suggested as the source of Trikantaka.)Unani: Khaar-e-Khasak Khurd.Siddha: Sirunenunji, Nerinjil, Nerunjil.Action: Fruits—diuretic, demulcent, anti-inflammatory, anabolic, spasmolytic, muscle relaxant, hypotensive, hypoglycaemic. Used in strangury, calculus affections, urolithiasis, crystalluria, urinary discharges, pruritus-ani, as a tonic in sexual inadequacy; also as a supporting medicine in cough and asthma. Leaf—diuretic, haemostatic. Root—stomachic, diuretic.
In addition to all these applications, The Ayurvedic Pharmacopoeia of India attributes cardiotonic properties to the root and fruit.The plant contains saponins, which on hydrolysis yield sapogenins—dios- genin, gitogenin, chlorogenin, rusco- genin, 25D-spirosta-3, 5-diene, among others. Flavonoids—rutin, quercetin, kaempferol, kaempferol-3-glucoside and-rutinoside, and tribuloside have been isolated from the leaves and fruits. The seeds contain carboline alkaloids— harmane and harmine. Harmol is also reported from the herb.A saponin (unidentified) is reported effective for treating angina pec- toris in people with coronary heart disease (406 cases were treated). (Natural Medicines Comprehensive Database, 2007.)Diuretic (more than furosemide), proerectile aphrodisiac, hypotensive, hypolipidaemic, hypoglycaemic (40- 67% in diabetic mice) activities have been confirmed in several experimental studies. (Pub Med, Medline abstracts, 2003.)Dosage: Fruit—3-6 g powder. (CCRAS.)... tribulus terrestris