It is made by the adrenal glands and is then converted to androgens, testosterone and other hormones. (3) 3β-Acetoxy-5-androsten-17-one is an acetate ester of an adrenal steroid hormone in the body. Since water bloat is not contributing greatly to the diameter of the muscle, much of the size gained on a cycle of Dianabol® can be retained after the product has been discontinued. The muscle gained should not be the smooth bulk seen with androgens, but very defined and solid. The most positive effects of this product are seen when it is used for longer cycles, usually lasting more than 8-10 weeks in duration. Importantly, there are more than 60 different anabolic androgenic steroids listed on the WADA prohibited list and novel compounds are frequently detected on the market. There is a broad availability of different analytical tools used to identify counterfeit AAS on the black market, as included in this systematic review. Although these proportions must be interpreted with caution due to some methodological challenges and high heterogeneity, one must acknowledge the unreliable nature of those substances acquired from the black market. In 18 articles, counterfeit substances and only in eight articles, substandard substances were presented. Some articles also included other classes of substances in their analysis, such as WADA classes S2, S3, S4, S5, dietary supplements, stimulants, and sexual performance enhancers. CIBA filed for a U.S. patent in 1957, and began marketing the drug as Dianabol in 1958 in the U.S. The drug is also the 17α-methylated derivative of boldenone (δ1-testosterone) and the δ1 analogue of methyltestosterone (17α-methyltestosterone). Metandienone, also known as 17α-methyl-δ1-testosterone or as 17α-methylandrost-1,4-dien-17β-ol-3-one, is a synthetic androstane steroid and a 17α-alkylated derivative of testosterone. Unlike methyltestosterone, owing to the presence of its C1(2) double bond, metandienone does not produce 5α-reduced metabolites. While the rate of aromatization is reduced relative to that for testosterone or methyltestosterone, the estrogen produced is metabolism-resistant and hence metandienone retains moderate estrogenic activity. As such, 5α-reductase inhibitors like finasteride and dutasteride do not reduce the androgenic effects of metandienone. Qualitative and quantitative analysis according to the suggested classification of Neves , and Weber and colleagues into original, substandard or counterfeit and subclassifications with some adaptions for analysis Furthermore, we assessed the different analytical methods used to determine the quality and quantity of AAS on the black market. We used a subclassification of "counterfeit" substances to comprise "adulterated", "substituted" and "inert"; and "substandard" substances to comprise "over- and under- concentrated" (Table 3). The counterfeit drug market can affect all drugs and is estimated to be a multimillion dollar business . The co-administration of an antiestrogen such as an aromatase inhibitor like anastrozole or a selective estrogen receptor modulator like tamoxifen can reduce or prevent such estrogenic side effects. As such, it can cause side effects such as gynecomastia and fluid retention. Methandienone binds to and activates the androgen receptor (AR) in order to exert its effects. Estrogenic side effects such as gynecomastia and fluid retention can also occur. Androgenic side effects such as oily skin, acne, seborrhea, increased facial/body hair growth, scalp hair loss, and virilization may occur. Metandienone was originally developed in 1955 by CIBA and marketed in Germany and the United States. As with other 17α-alkylated steroids, methandienone poses a risk of hepatotoxicity and use over extended periods of time can result in liver damage without appropriate precautions. As the CIBA product Dianabol, metandienone quickly became the first widely used AAS among professional and amateur athletes, and remains the most common orally active AAS for non-medical use. Side effects of metandienone include symptoms of masculinization like acne, increased hair growth, voice changes, and increased sexual desire, estrogenic effects like fluid retention and breast enlargement, and liver damage. Metandienone, also known as methandienone or methandrostenolone and sold under the brand name Dianabol (D-Bol) among others, is an androgen and anabolic steroid (AAS) medication which is mostly no longer prescribed. 5a-Hydroxy Laxogenin which tests have shown that protein synthesis increased by over 200%, the key to lean muscle growth and accelerated repair. (6) The Dianabol® formulation also contains various compounds to increase anabolic properties and protein synthesis. There have been several products on the market in the past that only got mediocre results. All of LA Pharma products are very popular and many professional athletes using this products for competition and professional sport. Stanozolol (Winstrol Tablets) 100 tabsWinstrol have both anabolic and androgenic properties. Stanozolol (Winstrol Injections) 10 mlWinstrol known as Stanozolol is a man-made steroid. Stanozolol (Winstrol Injections) 10amps x 1mlWinstrol known as Stanozolol is a man-made steroid. Propionate (Testosterone Propionate Injections) 10 mlIt is widely used by many bodybuilders as other testosterone cypion.. The most popular products in our shop from La Pharma are Deca and Parabolan. We searched PubMed/Medline, Embase and Google Scholar for articles published before March 2022. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. The products these companies promote are not standardized and therefore health risk. This provides the perfect foundation for a counterfeit drug market for all IPEDs. These products pose a considerable individual and public health threat, and the very wide range in proportions of fake black-market AAS puts the user in a situation of unpredictable uncertainty. Overall, 19 studies, which in total comprised 5,413 anabolic samples, met the inclusion criteria, and passed the quality appraisal from two WHO world regions that reported findings, the Americas and Europe.