LA Pharma is one of the leading companies in the production of high-end performance-enhancing drugs to build better physiques. Commonly used to increase muscle mass and strength Increased muscle mass, enhanced athletic performance When considering the purchase of Dianabol 10 La Pharma, it is vital to source the product from verified suppliers to ensure quality and safety. Following a cycle, a post-cycle therapy (PCT) is crucial to help restore natural testosterone production and minimize the risk of hormonal imbalances. More advanced users may increase the dosage to 40 to 50 mg per day, but it’s essential to approach higher dosages with caution to mitigate potential side effects. Different harm reduction strategies could be employed to limit this user community from either getting in contact with fake AAS from the black market or to promote safer use and informed decision making. There is a large and increasing number of individuals who are possibly exposed to these fake AAS on the black market. This is especially concerning when those substances are injected into the muscle as it poses a risk of forming abscesses candy96.fun in the muscle and skin necrosis 36, 61. Besides the problems with chemical quality, our systematic review provides further evidence of microbiological contamination of those substances. This can, taken unknowingly, lead to substantial drug-related side effects. Different non-scientific and anecdotal patterns and duration of use are described in literature with the goal of minimizing side effects or maximizing the drug effects of AAS 1, 15. As an example, 17α-alkylation of steroids which is used for oral administration is described to result in increased liver toxicity compared to injectable AAS, because of first-pass metabolism and increased duration time in the liver due to slow metabolization . We further show a limited geographical scope of included studies, with all studies being from countries in Europe or Brazil. We demonstrate that on some occasions completely different pharmaceuticals were identified during the analysis, such as quinine (antimalarial drug), instead of AAS. We provide evidence that AAS are more likely to be under-concentrated than over-concentrated if they are of substandard quality. In the case of mislabeled AAS acquired on the black market, it is currently not exactly known what is consumed by the user. Unknowingly taking the wrong formulation can lead to unexpected side effects, especially when taken over a longer period than intended or in combination with other substances. After the quality appraisal stage, an overall number of 19 full-text articles were included for data extraction and analysis. Secondary outcomes are proportions of adulterated, substituted, and inert substances for counterfeit results, and over-concentrated and under-concentrated substances for substandard results. Primary outcomes are proportions of counterfeit and substandard substances. The effect of supraphysiologic doses of anabolic androgenic steroids (AAS) on muscles, especially combined with strength training, has been described and recognized in literature for decades 1–5. It is described that in order to provide good drug testing services, there must be a close collaboration between different stakeholders and actors, such as politicians, the police and medical treatment services . Ever since, recreational drug testing is being conducted in a growing number of countries. Recreational drug testing services became available in the 1990s . Another strategy could entail the introduction of specialized drug checking services for this user community. One strategy could entail the controlled use and availability of these substances through proper health channels. Furthermore, first time use of anabolic agents has already been described in high-school age adolescents . 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. It is a modification of testosterone with a methyl group at the C17α position and an additional double bond between the C1 and C2 positions. The elimination half-life of metandienone is about 3 to 6 hours. The drug is metabolized in the liver by 6β-hydroxylation, 3α- and 3β-oxidation, 5β-reduction, 17-epimerization, and conjugation among other reactions. It has very low affinity for human serum sex hormone-binding globulin (SHBG), about 10% of that of testosterone and 2% of that of DHT. As with other 17α-alkylated AAS, metandienone may be hepatotoxic, especially with prolonged use of high doses.