Tribulus is a supplement containing an extract of Tribulus terrestris herb that supports normal reproductive function and healthy libido in women and men.*This herb is traditionally used in herbal preparations to: Support healthy libido in women and men* Promote normal menstrual flow* Tonify and promote vitality* Promote an overall feeling of well-being* Nutrients & Ingredients Each Serving Size (1 Tablet) contains: Calcium 63 mg, Tribulus herb (aerial parts) 30:1 extract 416 mg (from Tribulus terrestris herb (aerial parts) 12 g, Containing furostanol saponins as protodioscin 90 mg). Other Ingredients: Microcrystalline cellulose, dibasic calcium phosphate dihydrate, croscarmellose sodium, magnesium stearate, sodium starch glycolate, hypromellose and silicon dioxide.