Oestrogen is the wide-ranging name for a group of hormone compounds. It is the primary sex hormone in women and is vital to the menstrual cycle. Although both women and men have this hormone, it is most definitely found in higher quantities in women, especially those that are capable of reproducing. Oestrogen supplements are patches, pills, and creams characteristically made from natural plant substances. They are usually used to help substitute oestrogen in the bodies of those missing it due to a hormonal imbalance or menopause. Many people think of artificial products when it comes to oestrogen supplements, and while these are some of the most frequently used, a few assortments of natural supplements may be similarly beneficial. Phytoestrogens, or herbal oestrogens, are molecularly unalike to the oestrogen naturally formed within the body. Many swear by the optimistic effects of black cohosh, a widespread herbal supplement used to treat indicators of menopause such as hot flashes and night sweats. Like black cohosh, ground flax seed may help diminish the symptoms of menopause, but is also thought to help stop osteoporosis, offer fibre, and improve the quality of life. Angelica, which is from time to time called dong quai, is said to help uphold hormone levels in both menopausal and premenopausal women. Bioidentical oestrogen supplements are also made from natural plant-based materials however, not like phytoestrogens, which may be spontaneously bought as over-the-counter supplements, bioidentical assortments are frequently only available by prescription or in specialty pharmacies. Three kinds of oestrogens are used for bioidentical hormone therapies: estriol, estradiol, and estrone. These three are often extracted from wild yam root and soybeans, which are said to have properties chemically undistinguishable to what is fashioned by the human body. BibliographyKurz, Thomas. Science of sports training: how to plan and control training for peak performance. Island Pond, VT, U.S.A.: Stadion, 1991.Watkins, Elizabeth Siegel. The estrogen elixir a history of hormone replacement therapy in America. Baltimore: Johns Hopkins University Press, 2007.