Virigen -  - Schering-Plough, Turkey
Sex Life

Virigen

22.50 USD 30.00 USD

Manufacturer: Schering Plough
Active Substance: Testosterone
Package: 30 caps (40 mcg/cap)

Out of stock

Detailed

Testosterone, as the natural product drug and one of the most widely used AAS, is the most convenient choice for a reference drug to which all others will be compared.

Particular properties of testosterone that are of note include that it converts enzymatically both to DHT and to estradiol (estrogen). While with normal levels of testosterone these conversions are in fact desirable, with supraphysiological levels caused by drug adminstration they can be undesirable. DHT is at least three times more potent (effective per milligram) than testosterone at the androgen receptor (AR): therefore, in those tissues which convert testosterone to DHT, there is effectively three times as much androgen as elsewhere in the body. Thus, whatever level of androgen is experienced by the muscle tissue is multiplied threefold or more in the skin and in the prostate. This can be excessive. Proscar could be used to keep DHT levels more or less normalized despite heavy testosterone use, however.


A particularly interesting property of testosterone is its low toxicity, exclusive of the above-mentioned side effects. Doses of two grams or four grams per week are hardly unknown in bodybuilding, and are not particularly hard on the liver. No one seems to want to take doses of any other single steroid at comparably-effective doses, and it seems that if one tried, they might be more toxic. E.g., the  hepatotoxicity of Winstrol Depot resulting from its 17a -methyl group is not severe at doses of say 350 mg/week, but might well be problematic at a dose of two grams per week – though that is speculation, since no one I have heard of uses such doses of Winstrol. Thus, at the higher dosage regimes testosterone appears to have an advantage in terms of toxicity vs. effectiveness over many of the synthetics. These doses, however, are in the pro bodybuilder range. In the dosage range more appropriate for most individuals, the reverse is often the case.

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