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The male hormone, testosterone, is produced in limited quantities following treatment with Zeuterin, but after two years, testosterone production is similar to that in untreated dogs. [1] The continuing presence of testosterone means that, unlike surgical castration, chemical castration does not remove the risk of testosterone-associated ...
GNC Holdings, LLC (an initialism of General Nutrition Centers) is an American multinational retail and nutritional manufacturing company based in Pittsburgh, Pennsylvania. [5] [6] It specializes in health and nutrition related products, including vitamins, supplements, minerals, herbs, sports nutrition, diet, and energy products.
This is a list of known combined sex-hormonal formulations. Brand names and developmental code names are in parentheses. ... Testosterone propionate/testosterone ...
It was first patented by G.D. Searle & Company in 1955 [1] and is testosterone with a hydroxy group at the four position. 4-OHT has moderate anabolic, mild androgenic, and anti-aromatase properties and is similar to the steroid clostebol (4-chlorotestosterone). [2]
Testosterone, the base androgen of most androgen esters. This is a list of androgen esters, including esters (as well as ethers) of natural androgens like testosterone and dihydrotestosterone (DHT) and synthetic anabolic–androgenic steroids (AAS) like nandrolone (19-nortestosterone).
Testosterone undecanoate is a testosterone ester and a prodrug of testosterone in the body. [10] [9] [7] Because of this, it is considered to be a natural and bioidentical form of testosterone. [17] Testosterone undecanoate was introduced in China for use by injection and in the European Union for use by mouth in the 1970s.
Sustanon is the preferred method of testosterone replacement in the United Kingdom as detailed in the British National Formulary. [ citation needed ] There was a brief shortage of Sustanon 250 during late 2011, due to shifting of manufacturing site, [ 7 ] and a further shortage in mid-2012 due to manufacturing problems.
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