Peptides have been payed increasing attention in recent years, such as Buserelin. Buserelin may be used in the treatment of hormone-responsive cancers such as prostate cancer or breast cancer, estrogen-dependent conditions (such as endometriosis or uterine fibroids), and in assisted reproduction. Reference can be found at http://www.creative-peptides.com/product/buserelin-acetate-item-10-101-07-22.html.