WADA Prohibited List raises a handful of sensible questions. This page answers them in order, starting with the fundamentals and moving to applications.
This page was last updated on 2025-12-16 and is reviewed periodically as new material appears.
Analytical laboratories typically identify cardarine and its metabolites using liquid chromatography-tandem mass spectrometry. Urine is a common matrix in anti-doping testing, while blood and tissue may be used in research settings. Detection windows depend on the assay, the sample matrix, and the compound's metabolism. Because cardarine is extensively metabolized, laboratories often target specific metabolites to improve sensitivity and confirmation. Reference standards are required for reliable quantification. Method validation includes checks for selectivity, linearity, and carryover.
A persistent misconception is that cardarine is a fat-burning drug or a safe alternative to anabolic steroids. No approved therapeutic product exists, and human safety data are limited. The tumor findings in rodents remain a central concern in scientific reviews. Products sold online may contain inaccurate labels, impurities, or different compounds entirely, which complicates any assessment of effects. Independent testing of such products has reported frequent mislabeling. For these reasons, discussions in the literature emphasize risks and unknowns rather than benefits.
Products sold as cardarine have been found to contain incorrect compounds, variable amounts, or no active ingredient at all. Independent testing is required to verify identity and purity. Common analytical approaches include high-performance liquid chromatography, mass spectrometry, and nuclear magnetic resonance for structural confirmation. These methods can distinguish GW501516 from related PPAR agonists and from unrelated steroids. For regulators and researchers, such verification is central to interpreting both biological results and adverse event reports.
Cardarine is prohibited in competitive sport under the World Anti-Doping Agency code, where it is classified as a metabolic modulator. It is not approved as a prescription medicine in the United States, European Union, or other major markets. Regulatory action has focused on its presence in sports and in products marketed as research chemicals. Because it has no accepted medical indication, supply is often unregulated. This status creates legal and safety uncertainties for anyone who encounters the substance.
| Property | Value | Notes |
|---|---|---|
| Regulatory status | Not approved for human therapeutic use | No marketing authorization identified in major jurisdictions. |
| Anti-doping class | PPARδ agonist; hormone and metabolic modulators | Listed on the WADA Prohibited List. |
| Common test matrix | Urine | Also blood and tissue in research settings. |
| Typical analytical method | LC-MS/MS | Targets parent compound and metabolites. |
| Major safety signal | Tumor findings in rodents | Human relevance not established; limited human data. |
Published literature on cardarine includes in vitro assays, rodent experiments, and a small number of human studies. Reports describe effects on exercise capacity and lipid metabolism in animals, while human evidence is sparse. Many online descriptions present the compound as a proven endurance aid, a claim not supported by regulatory approval or large clinical trials. Analytical studies focus on identifying the parent compound and its metabolites in biological samples. Important uncertainties include species differences, dose-response relationships, and the relevance of rodent tumor findings to humans.
Cardarine is the common name for GW501516, a synthetic compound studied as a peroxisome proliferator-activated receptor delta agonist. Researchers developed it to explore treatments for lipid disorders and metabolic conditions. It is not an approved medicine in any country. Early clinical work examined changes in HDL cholesterol and triglycerides, but development was discontinued after animal studies raised concerns about cancer. The compound remains available as a research chemical and appears in discussions of performance enhancement.
Laboratory handling focuses on identity, purity, and stability. Reference standards are typically stored cold and dry, protected from light, because solutions can degrade over time. Analytical checks may use high-performance liquid chromatography with ultraviolet detection or mass spectrometry. Impurities and related substances can be separated chromatographically and compared with a known standard. Because cardarine is not an approved drug, compendial monographs are absent, and laboratories often rely on in-house methods. Reported purity varies among unregulated products and should not be assumed from a label.
GW501516 binds and activates PPARδ, a nuclear receptor that influences transcription of genes involved in fatty acid oxidation and energy use. Activation shifts some metabolic pathways in preclinical models, which is why the compound has been studied for lipid disorders and exercise-related endpoints. The exact downstream effects in humans are incompletely mapped. PPARδ is expressed in many tissues, including skeletal muscle, liver, and adipose tissue, so broad activation may have varied consequences. Researchers continue to examine how selective or partial activation might alter the balance between benefits and risks.
Published human data are sparse and mostly come from early-phase trials. Those studies examined short-term changes in lipids, glucose, and exercise capacity, but they were not large enough to establish efficacy or long-term safety. Some animal experiments reported increased running endurance, yet such findings do not prove a performance benefit in people. Anti-doping laboratories detect GW501516 and its metabolites in urine or blood using liquid chromatography-tandem mass spectrometry. Detection windows depend on dose, sample type, and individual metabolism. The method is sensitive enough to identify trace residues in tested samples.
Safety concerns emerged from long-term animal studies. In rodents given the compound for extended periods, researchers found an increased incidence of certain cancers, including liver and bladder tumors. These findings contributed to the discontinuation of clinical development. Whether similar risks apply to short-term or low-level exposure in humans is not established, and controlled human safety data are limited. The relevance of high-dose rodent carcinogenicity findings to human use remains a subject of debate.
Human trials of GW501516 were small and short in duration. They examined lipid levels, glucose handling, and other metabolic markers, but the programs were halted after the animal cancer findings. No approved therapeutic product exists, and published human data are insufficient for establishing long-term safety. Reports of use for athletic performance come mainly from non-clinical settings and cannot be verified through controlled trials. Independent testing of products sold as cardarine has found inconsistent purity and labeling.
Laboratory studies indicate that GW501516 activates PPARδ, a nuclear receptor involved in fatty acid oxidation and energy metabolism. In rodent experiments, treated animals often showed increased endurance and reduced fat mass. These effects were observed under controlled conditions and do not establish safe or effective use in humans. The exact dose-response relationship in humans remains poorly characterized. Species differences in metabolism can affect how results translate across animals and people.
The father tongue hypothesis proposes the idea that humans tend to speak their father's language. The hypothesis is based on a 1997 proposal that linguistic affiliation correlates more closely with Y-chromosomal variation than with mitochondrial DNA variation. The initial work was performed on African and European samples by a team of population geneticists, led by Laurent Excoffier. On the basis of these, and similar findings by other geneticists, the hypothesis was elaborated by the Dutch historical linguist George van Driem in 2010 that the teaching by a mother of her spouse's tongue to her children is a mechanism by which language has preferentially been spread over time. Focusing on prehistoric language shift in already settled areas, examples worldwide show that as little as 10–20% of prehistoric male immigration can (but need not) cause a language switch, indicating an elite imposition such as may have happened with the appearance of the first farmers or metalworkers in the Neolithic, Bronze and Iron Ages.
Muscle loss can be quantified with advanced imaging studies but this is not frequently pursued. Treatment depends on the underlying cause but will often include exercise and adequate nutrition. Anabolic agents may have some efficacy but are not often used due to side effects. There are multiple treatments and supplements under investigation but there are currently limited treatment options in clinical practice. Given the implications of muscle atrophy and limited treatment options, minimizing immobility is critical in injury or illness.
1993/1977) County Court (Pensions Ombudsman) (Enforcement of Directions and Determinations) Rules 1993 (S.I. 1993/1978) Education (School Inspection) (Wales) (No. 2) Regulations 1993 (S.I. 1993/1982) Education (National Curriculum) (Assessment Arrangements for the Core Subjects) (Key Stage 1) Order 1993 (S.I. 1993/1983) Education (National Curriculum) (Assessment Arrangements for the Core Subjects) (Key Stage 3) Order 1993 (S.I. 1993/1984) Social Security (Industrial Injuries) (Prescribed Diseases) Amendment (No. 2) Regulations 1993 (S.I. 1993/1985) Education (School Inspection) (No. 2) Regulations 1993 (S.I. 1993/1986) Education (Further Education in Schools) Regulations 1993 (S.I. 1993/1987) A27 Trunk Road (Polegate Bypass Slip Roads) Order 1993 (S.I. 1993/1990) A27 Trunk Road (Polegate Bypass De-Trunking)Order 1993 (S.I. 1993/1991) A259 Trunk Road Brookland Diversion Order 1993 (S.I. 1993/1992) Education (Further Education Institutions Information) (England) Regulations 1993 (S.I. 1993/1993) Merchant Shipping (Load Lines) Act 1967 (Unregistered Ships) Order 1993 (S.I. 1993/1994) Poultry Breeding Flocks, Hatcheries and Processed Animal Protein (Fees) Order 1993 (S.I. 1993/1998)
Hydrothermal vents are fissures on the seabed from which geothermally heated water discharges. They are commonly found near volcanically active places, areas where tectonic plates are moving apart at mid-ocean ridges, ocean basins, and hotspots. The dispersal of hydrothermal fluids throughout the global ocean at active vent sites creates hydrothermal plumes. Hydrothermal deposits are rocks and mineral ore deposits formed by the action of hydrothermal vents. Hydrothermal vents exist because the Earth is both geologically active and has large amounts of water on its surface and within its crust. Under the sea, they may form features called black smokers or white smokers, which deliver a wide range of elements to the world's oceans, thus contributing to global marine biogeochemistry. Relative to the majority of the deep sea, the areas around hydrothermal vents are biologically more productive, often hosting complex communities fueled by the chemicals dissolved in the vent fluids. Chemosynthetic bacteria and archaea found around hydrothermal vents form the base of the food chain, supporting diverse organisms including giant tube worms, clams, limpets, and shrimp. Active hydrothermal vents are thought to exist on Jupiter's moon Europa and Saturn's moon Enceladus, and it is speculated that ancient hydrothermal vents once existed on Mars. Hydrothermal vents have been hypothesized to have been a significant factor to starting abiogenesis and the survival of primitive life. The conditions of these vents have been shown to support the synthesis of molecules important to life.
Jerini AG was a pharmaceutical company based in Berlin, Germany, which focused on the discovery and development of novel peptide-based drugs. Using a proprietary technology platform, Peptides-to-Drugs (P2D), Jerini pursued disease indications for which limited, inadequate, or no treatment options exist. As a result, Jerini established a drug pipeline composed of its own programs as well as others in collaboration with partners. Jerini's commercialization strategy was to market new drugs in niche indications independently and in larger indications with partners. Jerini was acquired by Shire plc in 2008. Jerini started operations in 1994. Jerini's subsidiaries Jerini US Inc. and JPT Peptide Technologies GmbH, provider of peptides and peptide microarrays, were acquired by Theracode GmbH, Mainz in 2009. Jerini was financed with venture capital provided by TVM and HealthCap. It went public on the Prime Standard of the Frankfurt Stock Exchange (JI4), and had raised a total of over 130 million Euro in public and private financing to date.
Sources: en.wikipedia.org
According to biographer Ian Stewart, by the mid-1990s Anwar's leadership ambition was the most serious threat to Mahathir's power. Anwar began to distance himself from Mahathir, overtly promoting his superior religious credentials and suggesting loosening the restrictions on civil liberties. However, Mahathir continued to back Anwar as his successor until the collapse of their relationship during the Asian financial crisis, with Mahathir abandoning the tight monetary and fiscal policies urged by the IMF. As Mahathir took the reins of Malaysia's economic policy over 1998, Anwar was increasingly sidelined. On 2 September, he was dismissed as deputy prime minister and finance minister and promptly expelled from UMNO. No immediate reasons were given for the dismissal. However, the media speculated that it related to lurid allegations of sexual misconduct circulated in a "poison pen letter" at the general assembly. As more allegations surfaced, large public rallies were held in support of Anwar. On 20 September, he was arrested and placed in detention under the Internal Security Act. Anwar stood trial on four charges of corruption, arising from allegations that Anwar abused his power by ordering police to intimidate persons who had alleged Anwar had sodomised them. He was found guilty in April 1999 and sentenced to six years in prison. In another trial shortly after, Anwar was sentenced to another nine years in prison on a conviction for sodomy. The sodomy conviction was overturned on appeal after Mahathir left office.
The binding of ibotenic acid allows excess Ca2+ into the system which results in neuronal cell death. Ca2+ also activates CaM-KII or Ca2+/Calmodulin Kinase which phosphorylates multiple enzymes. The activated enzymes then begin producing reactive oxygen species which damages surrounding tissue. The excess Ca2+ results in the enhancement of the mitochondrial electron transport system which will further increase the number of reactive oxygen species.
== History == Estradiol cypionate was patented by Upjohn in 1952, with a priority date of 1951. It was first introduced for medical use by Upjohn in 1952 under the brand name Depo-Estradiol in the United States. Subsequently, it was also marketed in other countries such as European countries and Japan. The first clinical reports of estradiol cypionate were published in 1952 and thereafter. It was initially known as estradiol cyclopentylpropionate (ECP), and did not become known as estradiol cypionate until over a decade later in the mid-to-late 1960s. Along with estradiol valerate (1954) and estradiol benzoate (1933), estradiol cypionate has become one of the most commonly used esters of estradiol. When estradiol cypionate was to be combined with medroxyprogesterone acetate as a once-a-month injectable contraceptive, there was a problem in that estradiol cypionate was prepared as an oil solution while medroxyprogesterone acetate was used as a microcrystalline aqueous suspension. This issue was resolved by switching to a microcrystalline aqueous suspension in the case of estradiol cypionate, allowing it to be combined with medroxyprogesterone acetate in a single suspension. As a result, single-drug preparations of estradiol cypionate are oil solutions, while the combination of estradiol cypionate and medroxyprogesterone acetate are microcrystalline aqueous suspensions.
Secobarbital/brallobarbital/hydroxyzine was a combination tablet containing 50 mg brallobarbital, 150 mg secobarbital and 50 mg hydroxyzine that was used as a sedative. It was sold under the brand name Vesparax. This drug has been withdrawn from the market in most countries. Hydroxyzine and secobarbital lengthen the half-life of brallobarbital. Because of this long half-life, it has symptoms resembling a hangover on the next day. Jimi Hendrix was under the influence of Vesparax when he died of asphyxia due to aspiration of vomit on 18 September 1970.
==== Termination ==== There are short-term signals of satiety that arise from the head, the stomach, the intestines, and the liver. The long-term signals of satiety come from adipose tissue. The taste and odor of food can contribute to short-term satiety, allowing the body to learn when to stop eating. The stomach contains receptors to allow the body to know when it is full. The intestines also contain receptors that send satiety signals to the brain. The hormone cholecystokinin is secreted by the duodenum, and it controls the rate at which the stomach is emptied. This hormone is thought to be a satiety signal to the brain. Peptide YY 3-36 is a hormone released by the small intestine and it is also used as a satiety signal to the brain. Insulin also serves as a satiety signal to the brain. The brain detects insulin in the blood, which indicates that nutrients are being absorbed by cells and a person is getting full. Long-term satiety comes from the fat stored in adipose tissue. Adipose tissue secretes the hormone leptin, and leptin suppresses appetite. Long-term satiety signals from adipose tissue regulates short-term satiety signals. Cessation of eating within two hours of sleeping can reduce body weight.
Sources: en.wikipedia.org
As in World War I, white Rhodesians volunteered for the forces readily and in large numbers. Over 2,700 had come forward before the war was three weeks old. Somewhat ironically, the Southern Rhodesian recruiters' main problem was not sourcing manpower but rather persuading men in strategically important occupations such as mining to stay home. Manpower controls were introduced to keep certain men in their civilian jobs. The SRAF accepted 500 recruits in the days following the outbreak of war, prompting its commander Group Captain Charles Meredith to contact the Air Ministry in London with an offer to run a flying school and train three squadrons. This was accepted. In January 1940 the Southern Rhodesian government announced the establishment of an independent Air Ministry to oversee the Rhodesian Air Training Group, Southern Rhodesia's contribution to the Empire Air Training Scheme (EATS). Huggins set up a Defence Committee within the Cabinet to co-ordinate the colony's war effort in early 1940. This body comprised the Prime Minister, Tredgold and Lieutenant-Colonel Ernest Lucas Guest, the Minister of Mines and Public Works, who was put in charge of the new Air Ministry. About 1,600 of the colony's whites were serving overseas by May 1940 when, during the Battle of France, Salisbury passed legislation allowing the authorities to call up any male British subject of European ancestry aged between 19 and a half and 25 who had lived in the colony for at least six months. The minimum age was reduced to 18 in 1942.
For colorectal cancer, a systematic review of randomized clinical trials and the large SELECT trial reported no statistically significant change in relative risk. The Women's Health Study reported no significant differences for incidences of all types of cancer, cancer deaths, or specifically for breast, lung or colon cancers. Potential confounding factors are the form of vitamin E used in prospective studies and the amounts. Synthetic, racemic mixtures of vitamin E isomers are not bioequivalent to natural, non-racemic mixtures, yet are widely used in clinical trials and as dietary supplement ingredients. One review reported a modest increase in cancer risk with vitamin E supplementation while stating that more than 90% of the cited clinical trials used the synthetic, racemic form dl-alpha-tocopherol.
==== Commander of the Order of the British Empire (CBE) ==== Civil Division Ereman Kasese Ragi. For services to the savings and loan society. Chief Superintendent John Toguata, . For services to the Royal Papua New Guinea Constabulary.
=== China, Russia === In 2013, Russia and China banned ractopamine in pork, and Russia also in beef, deeming it unfit for human consumption. Because the traditional Chinese diet embraces pig offal, and because ractopamine is concentrated by the gastro-intestinal system of animals, Chinese officials have banned ractopamine. Other countries in Asia, whose traditional diet is similar to that of the Chinese, have had similar concerns, but the American use of tied trade access as a proxy for conflict has somewhat mitigated their reactions.
=== Marxism and socialism === In a 2001 interview with Reason, Hitchens said he became a Marxist and a Trotskyist in his teens, beliefs that further developed during his time at Balliol College, Oxford. In 1966, he was demonstrating in Trafalgar Square against the Vietnam War. In 1967, he joined the International Socialists while at Balliol College, Oxford. Under the influence of Peter Sedgwick, who translated the writings of Russian revolutionary and Soviet dissident Victor Serge, Hitchens forged an ideological interest in Trotskyist and anti-Stalinist socialism. Shortly after he joined "a small but growing post-Trotskyist Luxemburgist sect". This organisation is now known as the Alliance for Workers' Liberty. He became a socialist "largely [as] the outcome of a study of history, taking sides ... in the battles over industrialism and war and empire." He was also drawn into the political left by his anger over the Vietnam War, nuclear weapons, racism and "oligarchy", including that of "the unaccountable corporation." He also said in the same interview with Reason that he could no longer say "I am a socialist". Socialists, he claimed, had ceased to offer a positive alternative to the capitalist system. In a June 2010 interview with The New York Times, he stated that "I still think like a Marxist in many ways. I think the materialist conception of history is valid. I consider myself a very conservative Marxist".
Sources: en.wikipedia.org
No. Cardarine has not received approval for human therapeutic use in major jurisdictions. It remains an investigational compound.
It is classified as a PPARδ agonist on the WADA Prohibited List. Anti-doping laboratories can detect it and its metabolites in urine. Its use is banned in competition and usually out of competition.
Rodent studies reported increased tumor incidence at multiple sites. The human relevance remains uncertain, but the findings contributed to discontinuation of development. No long-term human cancer data are available.
Legal status varies by country, but cardarine is not approved as a medicine in major jurisdictions. It is often sold as a research chemical, a category that may not be lawful for human use. Buyers should check local laws and product labels carefully.