Levonorgestrel is a synthetic progestin hormone used in various hormonal contraceptives and emergency contraception pills. Levonorgestrel is used to prevent pregnancy and has several applications in womens healthcare.Levonorgestrel primarily works by inhibiting ovulation (the release of an egg from the ovaries) and altering the cervical mucus to make it more difficult for sperm to enter the uterus. Buy high quality Levonorgestrel from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Levonorgestrel