Country Life uses the finest quality Ayurvedic Tribulus and the highest quality pharmaceutical grade DHEA. DHEA is a hormone precursor produced primarily by the adrenal gland; it is activated in the peripheral tissue. Ingredients Vitamin E (as d-alpha tocopheryl acid succinate) 25IU, Puncture Vine (leaf) 100mg, Moomiyo 50mg, Dehydroepiandrosterone 50mg 60 CT