A practical reference on anti-doping: what it is, how it behaves, what the literature reports, and where the honest uncertainties sit.
Reviewed 2025-08-29. Anything still debated is marked as such rather than presented as settled.
Several misconceptions surround SR9009. It is often described as a SARM, a steroid, or an exercise pill, but its known target is the REV-ERB receptor family. Rodent studies have examined exercise capacity and metabolic markers, yet human outcomes remain unproven. Oral bioavailability appears low in animals, and human pharmacokinetics are not well characterized. Online products may contain impurities or different compounds, so identity and purity testing are important for research use.
Analytical chemists detect SR9009 with liquid chromatography-tandem mass spectrometry, commonly abbreviated LC-MS/MS. Sample preparation may involve protein precipitation, liquid-liquid extraction, or solid-phase extraction before analysis. Laboratories can target the parent compound or its metabolites, depending on the matrix and the purpose of testing. Anti-doping methods require sensitive and specific assays because concentrations in biological samples can be low. Reference standards and validated methods are essential for reliable identification and quantification.
Regulatory agencies have not approved SR9009 for human therapeutic use. It is typically sold as a research chemical with labels stating that it is not for human consumption. The World Anti-Doping Agency prohibits the substance in sport, generally under the category of non-approved substances. Customs and national laws may restrict importation, sale, or possession. Product quality and legal status can vary by country and vendor, and therapeutic claims are not permitted in regulated advertising because the compound lacks approval.
Research interest in SR9009 grew from studies showing improved running endurance in mice after short treatment periods. Those experiments linked the compound to increased mitochondrial content and fatty acid oxidation in muscle, but the findings come from animal models and specific dosing schedules. Independent replication has been limited, and the pathways connecting REV-ERB activation to exercise performance are still being mapped. Whether similar responses occur in humans is an open question.
SR9009 is often grouped with compounds studied for circadian and metabolic regulation rather than with classical anabolic steroids. Its interactions with nuclear receptors differ from those of androgen receptor ligands, and its proposed mechanisms involve transcriptional control rather than direct hormone signaling. Some sources classify it as a metabolic modulator because of observed effects on energy utilization. The distinction matters for regulation and for interpreting research results across different compound classes.
| Property | Value | Notes |
|---|---|---|
| Regulatory status | Not approved for human use | Research-use-only status in many markets |
| WADA status | Prohibited in sport | Generally listed as a non-approved substance |
| Detection technique | LC-MS/MS | Common for urine and blood analysis |
| Common alias | Stenabolic | Informal market nickname, not a pharmacopoeial name |
| Purity check | HPLC or LC-UV | Independent certificate of analysis is typical |
Laboratory samples of SR9009 are typically handled as research chemicals rather than pharmaceuticals. Suppliers usually state that the material is for research use only and not for human or veterinary administration. Storage recommendations generally call for a freezer at approximately −20 °C, protection from light, and a desiccated environment. The solid is often described as a white to off-white powder. Solubility is commonly reported in organic solvents such as dimethyl sulfoxide and ethanol, with low solubility in water.
Analytical identification and purity assessment often use high-performance liquid chromatography with ultraviolet detection or mass spectrometry. Liquid chromatography–tandem mass spectrometry is used to detect and quantify SR9009 in biological matrices, including urine and blood, for anti-doping or pharmacokinetic studies. Nuclear magnetic resonance spectroscopy can confirm molecular structure. Stability depends on form and storage: the solid is generally more stable than solutions, and repeated freeze–thaw cycles may degrade samples. Purity is typically reported as a percentage from a certificate of analysis.
Stability depends on physical form, temperature, light exposure, and solvent. Solid SR9009 is generally stored cold and dry, with protection from light to limit degradation. Dimethyl sulfoxide stocks are common for laboratory work, but repeated freeze-thaw cycles can reduce compound integrity. Aqueous solutions may be less stable than organic stocks, and the ethyl ester in the structure can be susceptible to hydrolysis under certain conditions. Researchers typically validate storage conditions and recheck purity before quantitative experiments, especially when using archived material.
Regulatory treatment of SR9009 varies by country and region. It is not approved as a pharmaceutical, and several jurisdictions restrict its sale for human consumption. Some authorities classify it as a research chemical, a prescription-only substance, or a prohibited performance-enhancing agent in sport. Purchasers may encounter certificates of analysis, but these documents do not guarantee identity, purity, or legality. In research settings, institutional safety reviews and controlled procurement help ensure that materials are handled under appropriate oversight. The absence of harmonized rules means that legal status can change and requires verification.
Analytical identification of SR9009 typically relies on liquid chromatography coupled with tandem mass spectrometry. In biological samples, researchers first separate the compound from matrix components using protein precipitation, liquid-liquid extraction, or solid-phase extraction. High-performance liquid chromatography with ultraviolet detection and nuclear magnetic resonance spectroscopy can support structural confirmation of reference materials. Because SR9009 is a small, relatively lipophilic molecule, reverse-phase columns and acidic mobile phases are common. Laboratories often include isotope-labeled internal standards to improve quantification and to correct for ion suppression.
Ephedra is a medicinal preparation from the plant Ephedra sinica. Several additional species belonging to the genus Ephedra have traditionally been used for a variety of medicinal purposes, and are a possible candidate for the soma plant of Indo-Iranian religion. It has been used in traditional Chinese medicine, in which it is referred to as Ma Huang, for more than 2,000 years. Native Americans and Mormon pioneers drank a tea brewed from other Ephedra species, called "Mormon tea" and "Indian tea".
== Epidemiology == Duchenne muscular dystrophy is the most common type of muscular dystrophy; it affects about one in 5,000 males at birth. Duchenne muscular dystrophy has an incidence of one in 3,600 male infants. In the US, a 2010 study showed a higher amount of those with Duchenne muscular dystrophy age ranging from 5 to 54 who are Hispanic compared to non-Hispanic Whites, and non-Hispanic Blacks.
1993/549) Removal, Storage and Disposal of Vehicles (Prescribed Sums and Charges etc.) (Amendment) Regulations 1993 (S.I. 1993/550) Housing Renovation etc. Grants (Reduction of Grant) (Amendment) Regulations 1993 (S.I. 1993/551) Housing Renovation etc. Grants (Prescribed Forms and Particulars) (Amendment) Regulations 1993 (S.I. 1993/552) Housing Renovation etc. Grants (Grant Limit) Order 1993 (S.I. 1993/553) Assistance for Minor Works to Dwellings (Amendment) Regulations 1993 (S.I. 1993/554) Academic Awards and Distinctions (Glasgow Caledonian University) (Scotland) Order of Council 1993 (S.I. 1993/555) Glasgow Caledonian University (Scotland) Order of Council 1993 (S.I. 1993/556) Napier University (Scotland) Order of Council 1993 (S.I. 1993/557) University of Paisley (Scotland) Order of Council 1993 (S.I. 1993/558) Further and Higher Education Act 1992 (Consequential Amendments) Regulations 1993 (S.I. 1993/559) Further and Higher Education Act 1992 (Consequential Amendments) Order 1993 (S.I. 1993/560) Taxes (Relief for Gifts) (Designated Educational Establishments) (Amendment) Regulations 1993 (S.I. 1993/561) Education (Designated Institutions in Further Education) (No. 2) Order 1993 (S.I. 1993/562) Education (Designated Institutions in Further and Higher Education) (Interpretation) Order 1993 (S.I. 1993/563) Judgment Debts (Rate of Interest) Order 1993 (S.I. 1993/564) Civil Legal Aid (General) (Amendment) Regulations 1993 (S.I. 1993/565) Controlled Waste (Amendment) Regulations 1993 (S.I. 1993/566) National Health Service (Fund-holding Practices) Regulations 1993 (S.I.
==== India and China ==== Potassium alum is mentioned in Ayurvedic texts namely Charak Samhita, Sushurta Samhita, and Ashtanga Hridaya with the name such as sphaṭika kṣāra, phitkari or saurashtri. It is used in traditional Chinese medicine with the name mingfan .
Sources: en.wikipedia.org
== Interactions == Pappalysin-1 has been shown to interact with major basic protein. Studies conducted at the Royal London Hospital in the United Kingdom, have shown that a marker of Down syndrome may be expressed during the first trimester and second trimester of a pregnancy term. Concentrations of the Pregnancy-Associated Plasma Protein (PAPPA) gene as well as other markers can help screen for Down syndrome in the beginning stages of a woman's gestational period.
electrolyte and total protein concentrations that reflect dehydration, vomiting, and diarrhea. leukopenia lymphopenia neutropenia thrombocytopenia Other signs include: fever, loss of skin elasticity due to dehydration, abdominal pain, sternal recumbency with splayed legs and head droop, nasal discharge and conjunctivitis. Cats may sit at a water bowl, but not drink. Terminal cases are hypothermic and may develop septic shock and disseminated intravascular coagulation. Infection in pregnant cats can result in fetal resorption, mummification, abortion, or stillbirth of neonates. Fetuses infected in utero that survive and kittens less than a few weeks of age that become infected can have cerebellar hypoplasia, retinal dysplasia, and optic neuropathy.
=== Ultrasound imaging === Imaging the urogenital system via an ultrasound is the first-line imaging test for hypospermia. This assessment looks out for testicular degeneration, testicular anomalies, and carry out a detailed study of the deep genital tract and glands using a high endorectal probe frequency. This examination makes it possible to visualize the vas deferens over their pelvic path and therefore to diagnose possible agenesis (absence of cells within organs) on portions not accessible to clinical examination.
Sources: en.wikipedia.org
Hyperpigmentation, also known as dark spots, is the darkening of an area of skin or nails caused by increased melanin. Many topical treatments disrupt the synthesis of melanin by inhibiting the enzyme tyrosine hydroxylase.
Glucose syrup and corn syrup are widely used in the manufacture of foodstuffs. They are manufactured from starch by enzymatic hydrolysis. For example, corn syrup, which is produced commercially by breaking down maize starch, is one common source of purified dextrose. Such syrups are use in producing beverages, hard candy, ice cream, and jams. Inverted sugar syrup, commonly known as invert syrup or invert sugar, is a mixture of two simple sugars – glucose and fructose – that is made by heating granulated sugar in water. It is used in breads, cakes and beverages for adjusting sweetness, aiding moisture retention and avoiding crystallisation of sugars. Molasses and treacle are obtained by removing sugar from sugarcane or sugar beet juice, as a byproduct of sugar production. They may be blended with the above-mentioned syrups to enhance sweetness and used in a range of baked goods and confectionery including toffees and licorice. In winemaking, fruit sugars are converted into alcohol by a fermentation process. If the must formed by pressing the fruit has a low sugar content, additional sugar may be added to raise the alcohol content of the wine in a process called chaptalisation. In the production of sweet wines, fermentation may be halted before it has run its full course, leaving behind some residual sugar that gives the wine its sweet taste.
The matter is automatically referred to the Independent Office for Police Conduct. 24 November – West Midlands Police is placed into special measures by Home Secretary James Cleverly after a review found it was not be effectively investigating or managing the risk to the public of sex offenders. 28 November – The Department for Education launches a consultation on how best to provide a minimum service level in schools in England during teaching strikes. 29 November – Natural England announces that England will be getting a new National Park. The Chilterns, The Cotswolds and Dorset could become new National Parks. Nottingham City Council declares itself effectively bankrupt, with a £23m overspend forecast for the 2023–24 financial year. Bigamist Jason Hayter of Frinton-on-Sea, Essex, is sentenced to eight weeks in prison suspended for 12 months and placed under night curfew for being married to two women simultaneously. 30 November – At least three police officers are injured during disorder ahead of a football match between Aston Villa and Legia Warsaw in Birmingham. Aston Villa confirms that no away fans were let into the stadium on the advice of police following the trouble.
Computational proteomics is both an interdisciplinary field and a specialization of bioinformatics which uses computational techniques to study the proteome; in particular, computational proteomics is based on peptides identification techniques and allows to integrate vast quantities of heterogeneous data referred to proteins (e.g., identification of proteins, quantification, protein-protein interactions, structures...) and genomics (e.g., expression of genes and expression of proteins). The results of both proteomics and computational proteomics are used by biomedical engineering, biotechnology and Agri-Food Studies.
Sources: en.wikipedia.org
Legality depends on the country and the intended use. In many places it is not approved as a medicine and may be sold only as a research chemical. Importation or possession can be restricted, and sports organizations prohibit it.
Anti-doping laboratories typically use LC-MS/MS to detect SR9009 or its metabolites in urine or blood. The exact assay depends on the laboratory and the testing program. Detection can be challenging because the compound may be rapidly metabolized and present at low levels.
Stenabolic is an informal nickname used in online fitness and research-chemical markets, not an official drug name. It likely references reported effects on endurance in rodent studies. The nickname does not imply approval or proven human benefit.
It is a synthetic REV-ERB agonist used mainly in preclinical research. It is not an approved medicine for human use.