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Supplements > Androstenedione
The following information is about Androstenedione.
Androstenedione Defined
A weak androgenic steroid secreted by the adrenal cortex, testes, and ovary. In normal males less than 5% of their testosterone comes from the conversion of adrenal androstenedione. Androstenedione is converted to testosterone by the enzyme 17-ketoreductase. Androstenedione and testosterone are converted to estrone and estradiol in peripheral tissues (primarily in adipose tissue but also in muscle, kidney, liver and the hypothalamus) by aromatase. The conversion of androstenedione and testosterone accounts for more than 75% of the estrogens in the plasma of normal men. The rest is synthesized in the testes. Gonadotropin secretion may be partially controlled by estrogen formation in the hypothalamus.
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Off-site Androstenedione Links, User Submitted
The following links have been collected through user bookmark submission in the Androstenedione category. Please note, because these resources are off-site we cannot guarantee the accuracy or quality of any information.
Tue Oct 7
- JAMA -- Oral Androstenedion e Administration and Serum Testosterone Concentrations in Young Men, February 9, 2000, Leder et al. 283 (6): 779: You will need to login with your library barcode to access this full journal article. (Empirical Study)
- Research Shows Androstenedion e Can Raise Testosterone Levels - MGH, February 2000: Harvard Medical School Affiliate Massachusetts General Hospital (Androstenedio ne)
Wed Sep 3
- andro: Ironpower Australia manufactures a range of bodybuilding supplements including herbal AndroGel and AndroStack for naturally boosting testosterone. These legal steroids are made from herbs which contain prohormones that help build muscle and burn body fat when used in conjunction with hard physical exercise.
Thu Nov 8
- Testosterone precursors: use and abuse in pediatri...[Pe diatr Clin North Am. 2007] - PubMed Result: use of androstenedion e, dehydroepiandr osterone and androstenediol as testosterone precursors: no increase in lean muscle bulk.
Fri Jun 22
- Já estava na hora de alguém falar abertamente sobre esse assunto. É evidente o comercio ABERTO de anabolizantes que anda assombrando as comunidades de musculação no Orkut. E é o nosso dever te alertar sobre os perigos de compras online de esteróide: Já estava na hora de alguém falar abertamente sobre esse assunto. É evidente o comercio ABERTO de anabolizantes que anda assombrando as comunidades de musculação no Orkut. E é o nosso...
Sat Jun 16
- Que tal um comprimidinho capaz de fazer seus músculos explodirem de uma hora para outra? E experimentar um aumento de força em semanas que você só adquiriria em anos?: Que tal um comprimidinho capaz de fazer seus músculos explodirem de uma hora para outra? E experimentar um aumento de força em semanas que você só adquiriria em anos?
Fri Jun 15
- Definição muscular: Definição Muscular
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