Each LO/OVRAL tablet, contains 0.3 mg of norgestrel (dl-13-beta-ethyl-17-alpha-ethinyl-17- beta-hydroxygon-4-en-3-one), a totally synthetic progestogen, and 0.03 mg of ethinyl estradiol, (19-nor-17?-pregna-1,3,5 (10)-trien-20-yne-3,17-diol). The inactive ingredients present are cellulose, lactose, magnesium stearate, and polacrilin potassium.