Mare urine, estrogens from

Animals Animal byproducts, particularly hormones, are used to supplement human hormones. For example, estrogen can be recovered from the urine of a mare and insulin from the pancreas of pigs. 

For example, Premarin is a dmg that contains estrogen that is recovered from mare urine. This is used as hormonal therapy to manage menopausal symptoms. Insulin is another hormonal dmg that is used to regulate blood sugar levels in patients with diabetes melhtus. Insulin can be recovered from humans using DNA technology. 

Estriol, oestrUdj estra-l, S(I0)-triai-3,16a,J7fi-triob an estrogen, Af, 288.39, m.p. 280°C, [a]o -i- 61 ° (CHO ). E. 1 been isolated from human female urine (especially during pregnancy) and placenta, from mare s urine, and from willow catkins It is biosynthesized from estrone and estradiol, and differs from Estradiol (see) by the presence of an additional hydroxyl group (a-conformation) at position 16. 

Many systemically administered estrogen products are available in the United States, but conjugated equine estrogens (CEEs), prepared from the urine of pregnant mares, is the most widely prescribed. Transdermal estrogen preparations are also available and usually are prescribed for patients who experience adverse effects, elevated triglycerides, or liver function abnormalities while taking an oral product. Transdermal preparations also have a lower incidence of venous thromboembolism than oral preparations.9... 

One of the most prolific natural sources of estrogenic substances is the stallion, which liberates more of these hormones than the pregnant mare or pregnant woman. The equine estrogens—equilenin and equilin—and their congeners are unsaturated in the as well as the A ring and are excreted in large quantities in urine, from which they can be recovered and used for medicinal purposes. 

Conjugated estrogens (Premarin) are orally active mixed natural oestrogens containing 50-65% oestrone obtained from the urine of pregnant mares. ... 

I Oral Estrogen. Oral CEE has been available for more than 50 years. CEE is prepared from the urine of pregnant mares and is composed of estrone sulfate (50% to 60%) and multiple other equine estrogens such as equilin and 17a-dihydroequilin. ... 

Premarin is an estrogen preparation that is sometimes prescribed to women at the time of the menopause as hormone replacement therapy. The name is derived from pregnant mare s urine, the source of the hormonal preparation. 

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