Opill® is your powerful ally in birth control. Itâs the first over the counter, full prescription strength, daily oral contraceptive pill that is FDA-approved. Suitable for most* people who can become pregnant, Opill® uses one hormone, progestin (norgestrel), and is estrogen-free. When used as directed, this daily birth control pill is 98% effective at preventing pregnancy and is the most effective over-the-counter birth control method available for people who can become pregnant. The best part?...