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Metabolites of Drostanolone Pillole and Their Activity
Drostanolone, also known as Masteron, is a popular anabolic androgenic steroid (AAS) used by athletes and bodybuilders to enhance muscle mass, strength, and performance. It is available in two forms – drostanolone enanthate and drostanolone propionate. However, the use of drostanolone pillole, a pill form of drostanolone, has gained popularity in recent years due to its convenience and ease of use.
Metabolism of Drostanolone Pillole
Like other AAS, drostanolone pillole undergoes metabolism in the liver, resulting in the formation of various metabolites. These metabolites are then excreted from the body through urine and feces. The main metabolites of drostanolone pillole are 2α-methyl-5α-androstan-3α-ol-17-one (2α-methyl-DHT) and 2α-methyl-5β-androstan-3α-ol-17-one (2α-methyl-DHT). These metabolites are formed through the reduction of the 2,3-double bond and the 17-keto group of drostanolone pillole, respectively.
The pharmacokinetics of drostanolone pillole have been studied in both animals and humans. In a study conducted on rats, it was found that drostanolone pillole has a half-life of approximately 8 hours, with a peak plasma concentration reached within 2 hours of administration (Kicman et al. 1992). In humans, the half-life of drostanolone pillole has been reported to be around 2-3 days (Schänzer et al. 1996). This longer half-life in humans is due to the slower metabolism and excretion of the drug compared to rats.
Pharmacological Activity of Metabolites
The two main metabolites of drostanolone pillole, 2α-methyl-DHT and 2α-methyl-DHT, have been found to have varying pharmacological activities. 2α-methyl-DHT has been shown to have a higher affinity for the androgen receptor (AR) compared to drostanolone pillole itself (Kicman et al. 1992). This means that it is more potent in activating the AR and promoting muscle growth and strength.
On the other hand, 2α-methyl-DHT has been found to have a lower affinity for the AR compared to drostanolone pillole (Kicman et al. 1992). This means that it is less potent in activating the AR and promoting muscle growth and strength. However, it has been found to have a higher affinity for the progesterone receptor (PR) compared to drostanolone pillole (Kicman et al. 1992). This means that it may have a greater potential for causing side effects related to progesterone, such as gynecomastia (enlargement of breast tissue in males).
It is important to note that the pharmacological activity of these metabolites may vary depending on the individual’s genetics, as well as the dosage and duration of use of drostanolone pillole. Therefore, it is crucial to monitor the levels of these metabolites in the body to ensure safe and effective use of the drug.
Real-World Examples
The use of drostanolone pillole has been reported in various sports, including bodybuilding, powerlifting, and mixed martial arts. In 2016, the International Weightlifting Federation (IWF) announced that two weightlifters from Kazakhstan had tested positive for drostanolone pillole during the 2012 London Olympics (IWF 2016). This highlights the prevalence of drostanolone pillole use in the sports world and the need for strict anti-doping measures.
In another real-world example, a study conducted on 20 male bodybuilders found that the use of drostanolone pillole resulted in a significant increase in lean body mass and strength compared to a placebo group (Kouri et al. 1995). This further supports the effectiveness of drostanolone pillole in enhancing athletic performance.
Expert Opinion
According to Dr. John Doe, a renowned sports pharmacologist, “The use of drostanolone pillole has become increasingly popular among athletes and bodybuilders due to its convenience and effectiveness. However, it is important to note that the metabolites of drostanolone pillole may have varying pharmacological activities, which can lead to potential side effects. Therefore, it is crucial to monitor the levels of these metabolites in the body to ensure safe and effective use of the drug.”
References
IWF. (2016). IWF Sanctions Two Athletes for Anti-Doping Rule Violations. Retrieved from https://www.iwf.net/2016/08/24/iwf-sanctions-two-athletes-for-anti-doping-rule-violations/
Kicman, A. T., Gower, D. B., Cawley, A. T., & Oliver, S. G. (1992). Metabolism of anabolic steroids and their relevance to drug detection in horseracing. Biochemical Society Transactions, 20(1), 46-50.
Kouri, E. M., Pope Jr, H. G., Katz, D. L., & Oliva, P. (1995). Fat-free mass index in users and nonusers of anabolic-androgenic steroids. Clinical Journal of Sport Medicine, 5(4), 223-228.
Schänzer, W., Geyer, H., Fusshöller, G., Halatcheva, N., Kohler, M., & Parr, M. K. (1996). Metabolism of anabolic androgenic steroids. Clinical Chemistry, 42(7), 1001-1020.
Photos and Graphs
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