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for educational and safety purposes
Estradiol and Conjugated Estrogens both come up in the same conversations; they overlap on estrogen receptors and menopausal symptoms. Estradiol: Estradiol, often abbreviated E2, is a steroid hormone and the most potent of the naturally occurring estrogens, the principal group of female sex hormones. Conjugated Estrogens: Conjugated estrogens, best known by the brand name Premarin, are a medication made from a mixture of estrogen hormones extracted from the urine of pregnant mares [1][2].
Estradiol, often abbreviated E2, is a steroid hormone and the most potent of the naturally occurring estrogens, the principal group of female sex hormones. Produced chiefly by the ovaries, it governs the development of female secondary sexual characteristics and the menstrual cycle, and it also plays important roles in bone, brain, and cardiovascular health in both sexes. As a medicine it is used in menopausal hormone therapy, hormonal contraception, feminizing hormone therapy for transgender women, and the treatment of certain hormone deficiencies. It is available in many forms, including tablets, patches, gels, and injections.
Conjugated estrogens, best known by the brand name Premarin, are a medication made from a mixture of estrogen hormones extracted from the urine of pregnant mares [1][2]. They are used mainly as menopausal hormone therapy, to relieve hot flashes and vaginal dryness and to help prevent osteoporosis, and also to treat other conditions of low estrogen [1][2]. Introduced in the 1940s, they act on estrogen receptors throughout the body; landmark trials later clarified that, like other hormone therapies, they carry risks including blood clots, stroke and, in combination with a progestogen, breast cancer [1][3].
both fingerprints on one instrument; where the marks line up the two compounds work the same lever, where a slot goes dark only one of them touches it. read straight from each entry's affinity table; nothing here is invented.
inhibits
inhibits
agonist
agonist
agonist
agonist
activates
modulates
modulates
activates
modulates
activates
strengths are the entries' qualitative ratings (strong / moderate / weak); Ki and EC50 figures appear where an entry records them.
easiest to source: Estradiol is currently listed by more trusted vendors (2), so it's the simpler one to get hold of. for effects and safety, read each full entry; this is educational, not medical advice.