The short version of WADA Prohibited List fits in a sentence. The long version — which is the one that helps — is below.
This page was last updated on 2026-01-05 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.
In the fitness and bodybuilding literature, cardarine is frequently discussed as an endurance agent or fat-loss compound, although such claims are not supported by robust clinical evidence. Online descriptions often mix animal data, user anecdotes, and marketing language. Researchers who study PPARδ agonists distinguish between receptor activation in controlled experiments and unsupervised use of unverified products. The latter introduces unknown purity, dose, and interactions, making reported experiences difficult to interpret scientifically.
GW501516 acts as an agonist at peroxisome proliferator-activated receptor delta, a nuclear receptor involved in transcription of genes related to lipid handling and energy use. Activation of PPARδ can shift skeletal muscle toward greater fatty acid oxidation in animal models, which is one reason it drew interest for metabolic disease and exercise research. The exact downstream effects depend on tissue, species, dose, and duration. Human data are sparse, so many proposed benefits remain hypotheses rather than established clinical outcomes.
| 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. |
Clinical development stopped after rodent studies showed tumors at multiple sites. Whether those findings predict human cancer risk remains an open question, but they led sponsors to discontinue programs. Human safety data are limited to small, short-term studies that were not designed to assess cancer risk. Reported effects in those studies included changes in blood lipids, but the evidence is insufficient for medical use. Long-term consequences of nonmedical use are not well characterized. Questions about dose, duration, and individual susceptibility remain unresolved.
Cardarine is a common name for GW501516, an investigational compound developed in the 1990s for metabolic conditions. It acts as an agonist at peroxisome proliferator-activated receptor delta, a nuclear receptor involved in lipid and energy metabolism. The compound is frequently mislabeled as a selective androgen receptor modulator, or SARM, but its molecular target is different. GW501516 reached early clinical testing before development was discontinued. It has no approved therapeutic use in any country. The name cardarine is not a formal international nonproprietary name.
A common misconception is that cardarine has been proven safe for human use. In reality, human clinical data are limited, and long-term animal studies have raised concerns about cancer. Another misconception is that it is a supplement or vitamin-like compound. It is a synthetic research chemical with no approved medical indication. Scientific discussion often focuses on its mechanism and detection rather than therapeutic use. Regulatory and anti-doping literature treats it primarily as a prohibited substance.
Cardarine is explicitly prohibited by the World Anti-Doping Agency under the class of PPARδ agonists. Its presence in urine or blood samples can be detected using mass spectrometry-based methods, often liquid chromatography-tandem mass spectrometry. Athletes who test positive may face sanctions, including bans from competition. The compound is also regulated as a prescription-only or unapproved drug in many countries. Enforcement varies by jurisdiction, and some regions treat it as a controlled substance. Online sales may occur despite these restrictions, creating quality and legal risks.
Laboratory detection of cardarine typically involves sample preparation followed by chromatographic separation and mass spectrometric identification. Urine is the most common matrix for anti-doping tests, though blood and hair have also been explored. Methods can target the parent compound or its metabolites, depending on the expected window of detection. Reference standards are required for accurate quantification. Matrix effects and dilution can influence results, so laboratories use internal standards and validation protocols. The exact detection window varies with dose, route, and individual metabolism.
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.
== Epidemiology == CGD affects about 1 in 200,000 people in the United States, with about 20 new cases diagnosed each year. Chronic granulomatous disease affects all people of all races; however, there is limited information on prevalence outside of the United States. One survey in Sweden reported an incidence of 1 in 220,000 people, while a larger review of studies in Europe suggested a lower rate: 1 in 250,000 people.
== Introduction == Theoretical calculation for the proton and neutron drip lines show that there would be about 7,000 nuclides that are between the drip lines, and containing 2 to 120 protons. There are presently 251 known stable nuclides. Many of these in theory could decay through spontaneous fission, alpha decay, double beta decay, etc. with a very long half-life, but this has not yet been observed. Thus, the number of stable nuclides is subject to change if some of these 251 have radioactive decay observed in the future. In this article, the "stable" nuclides are divided into three tables: one for nuclides that are theoretically stable (meaning no decay mode is possible) except to spontaneous fission, which is not considered plausible in this mass range; one for nuclides that can theoretically undergo forms of decay other than spontaneous fission but have no published lower bound on lifetime from experimental evaluations; and one for nuclides that can theoretically decay and have been examined without detecting any decay, allowing a lower bound to be published. In this last table, where a decay has been predicted theoretically but never observed experimentally (either directly or by finding an excess of the daughter), the theoretical decay mode is given in parentheses, and "> (lifetime in years)" is shown in the half-life column to show this lower limit in scientific notation. Such nuclides are considered to be "stable", also called "observationally stable" indicating the tentative nature of the conclusion, until some decay has been observed.
Silencing systemin did not affect the ability of black nightshade to resist herbivory and, when competing against normal plants, silenced plants produced more above-ground biomass and berries. Upon herbivory, systemin was down-regulated in black nightshade in contrast to the other peptides which are up-regulated after herbivory. By contrast HypSys were up-regulated and activated the synthesis of protease inhibitors. The down-regulation of systemin was associated with increased root mass but did not decrease shoot mass, demonstrating that systemin can cause developmental changes as a result of herbivory, allowing the plant to tolerate, rather than directly resist attack. Tomato roots were also affected by tomato systemin, with root growth increasing at high tomato systemin concentrations. By allocating more resources to the roots, plants under attack are thought to store carbon and then use it to re-grow when the attack ends. Overexpressing AtPEP1 also increased root and shoot biomass in A. thaliana.
At approximately 14:30, a spark from an electric generator on the hangar deck ignited the accumulated fumes, triggering a series of catastrophic explosions. After the first explosions, it was clear that Taihō was doomed, and Ozawa and his staff transferred to the nearby destroyer Wakatsuki. Soon thereafter, Taihō suffered a second series of explosions and sank. From a crew of 2,150, 1,650 officers and men were lost.
Halliwell B, Watt F, Minqin R. (2023) Iron and atherosclerosis: Lessons learned from rabbits relevant to human disease. Free Radic. Biol. Med. 209, 165–170. Yau YF, Cheah IK, Mahendran R, Tang RMY, Chua RY, Goh RES, Feng L, Li J, Kua EH, Chen C, Halliwell B. (2024) Investigating the efficacy of ergothioneine to delay cognitive decline in mild cognitively impaired subjects: A pilot study. J. Alzheimer's Disease 102, 841–854.
Sources: en.wikipedia.org
Bill Pittendreigh, DuPont, and other individuals and corporations worked diligently during the first few months of World War II to find a way to replace Asian silk and hemp with nylon in parachutes. It was also used to make tires, tents, ropes, ponchos, and other military supplies. It was even used in the production of a high-grade paper for U.S. currency. At the outset of the war, cotton accounted for more than 80% of all fibers used and manufactured, and wool fibers accounted for nearly all of the rest. By August 1945, manufactured fibers had taken a market share of 25%, at the expense of cotton. After the war, because of shortages of both silk and nylon, nylon parachute material was sometimes repurposed to make dresses. Nylon 6 and 66 fibers are used in carpet manufacture. Nylon is one kind of fiber used in tire cord. Herman E. Schroeder pioneered application of nylon in tires.
In his publication, Balard stated that he changed the name from muride to brôme on the proposal of M. Anglada. The name brôme (bromine) derives from the Greek βρῶμος (brômos, "stench"). Other sources claim that the French chemist and physicist Joseph-Louis Gay-Lussac suggested the name brôme for the characteristic smell of the vapours. Bromine was not produced in large quantities until 1858, when the discovery of salt deposits in Stassfurt enabled its production as a by-product of potash. Apart from some minor medical applications, the first commercial use was the daguerreotype. In 1840, bromine was discovered to have some advantages over the previously used iodine vapour to create the light sensitive silver halide layer in daguerreotypy. By 1864, a 25% solution of liquid bromine in .75 molar aqueous potassium bromide was widely used to treat gangrene during the American Civil War, before the publications of Joseph Lister and Pasteur. Potassium bromide and sodium bromide were used as anticonvulsants and sedatives in the late 19th and early 20th centuries, but were gradually superseded by chloral hydrate and then by the barbiturates. In the early years of the First World War, bromine compounds such as xylyl bromide were used as poison gas.
Subsequent to the initial publication in the Lancet, three letters to the editor and a response from the authors extended the analysis. The issue of contention is whether thiopental, like many lipid-soluble drugs, may be redistributed from blood into tissues after death, effectively lowering thiopental concentrations over time, or whether thiopental may distribute from tissues into the blood, successfully increasing postmortem blood concentrations over time. Given the near absence of scientific, peer-reviewed data regarding thiopental postmortem pharmacokinetics, the controversy continues in the lethal-injection community, and, in consequence, many legal challenges to lethal injection have not used the Lancet article. In 2007, the same group that authored the Lancet study extended its study of the lethal-injection process through a critical examination of the pharmacology of the barbiturate thiopental. This study – published in the online journal PLOS Medicine – confirmed and extended the conclusions made in the original article and goes further to disprove the assertion that the lethal-injection process is painless. To date, these two studies by the University of Miami team serve as the only critical peer-reviewed examination of the pharmacology of the lethal-injection process.
==== Netherlands ==== In the Netherlands, cider is not as commonly available as in its surrounding countries. In 2007, Heineken started testing a cider-based drink branded Jillz in a number of bars throughout the country. The beverage, an alcopop made by blending sparkling water, fruit flavouring, malt, and cider, is marketed towards female drinkers as an alternative to beer. At the same time, Heineken also introduced Strongbow Gold as a secondary brand to provide the choice of a real cider, which was targeted to a male audience. Both beverages contain 5% alcohol by volume, which is similar to a typical draught beer in the Netherlands. Other brands are available in supermarkets, most noticeably Magners and Savanna Cider, and in liquor stores, generally, a broader range may be obtained.
=== Other actions === In addition to its GABA receptor agonism, GABA has been found to act as a histone deacetylase (HDAC) inhibitor, similarly to structurally related compounds like butyrate (butyric acid), β-hydroxybutyrate (BHB), and valproic acid (valproate). However, another group of researchers found that GABA did not detectably inhibit HDACs.
Sources: en.wikipedia.org
==== Human rights abuses and corruption ==== Building off the Global Magnitsky Human Rights Accountability Act, named after Sergei Magnitsky who died in Russian custody after uncovering corruption, the U.S. can enact sanctions against any individual or entity worldwide who it says engages in severe human rights abuses and corruption that degrade the rule of law, perpetuate violent conflicts, and facilitate the activities of dangerous persons. The following jurisdictions are frequently targeted by U.S. sanctions related to human rights abuses but are not specifically targeted under a country-specific sanctions program:
===== UPMC Montefiore ===== UPMC Montefiore, part of UPMC Presbyterian, was founded as Montefiore Hospital in 1908 by the Ladies Hospital Aid Society as a hospital for Jewish physicians and patients. Montefiore Hospital affiliated with the University of Pittsburgh School of Medicine in 1957 and joined UPMC in 1990. It is the home to the clinical transplantation facilities originally headed by transplant pioneer Thomas Starzl and is physically connected to UPMC Presbyterian and UPMC Eye and Ear by a series of pedestrian bridges.
== Overview == Several copper(II)-peptide complexes occur naturally. In human plasma, the level of GHK-Cu is about 200 ng/ml at age 20. By the age of 60, the level drops to 80 ng/ml. In humans, GHK-Cu is proposed to promote wound healing, attraction of immune cells, antioxidant and anti-inflammatory effects, stimulation of collagen and glycosaminoglycan synthesis in skin fibroblasts and promotion of blood vessels growth. Recent studies revealed its ability to modulate expression of a large number of human genes. Synthetic GHK-Cu is used in cosmetics as a reparative and anti-aging ingredient.
Grade I: Mild ptosis—The nipple is at the level of the infra-mammary fold and above most of the lower breast tissue. Grade II: Moderate ptosis—The nipple is located below the infra-mammary fold but higher than most of the breast tissue hangs. Grade III: Advanced ptosis—The nipple is below the inframammary fold and at the level of maximum breast projection. Pseudoptosis—The nipple is located either at or above the infra-mammary fold, while the lower half of the breast sags below the fold. This is most often seen when a woman stops nursing, as her milk glands atrophy, causing her breast tissue to sag. Parenchymal Maldistribution—The lower breast tissue is lacking fullness, the inframammary fold is very high, and the nipple and areola are relatively close to the fold. This is usually a developmental deformity.
==== Absorption ==== Propranolol is rapidly and completely absorbed, with peak plasma levels achieved about 2 hours (range 1–3 hours) after ingestion. Its oral bioavailability is approximately 25%. Despite complete absorption, propranolol has a variable bioavailability due to extensive first-pass metabolism. Hepatic impairment therefore increases its bioavailability. Therapeutic plasma concentrations are typically between 0.02 and 0.3 mg/L. Toxicity has been reported at concentrations of 1 mg/L and above, with coma or death associated with concentrations of 4 to 10 mg/L and above. Coadministration with food appears to enhance bioavailability but does not hasten its time to peak levels. Propranolol can be absorbed along the whole intestine with the main absorption site being the colon, which means people who have lost their colon due to surgery may absorb less propranolol. Propranolol shows marked interindividual variability in pharmacokinetics, with propranolol levels varying 20-fold in different individuals.
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.
It binds and activates PPARδ, a nuclear receptor that influences gene expression related to fatty acid metabolism and energy balance. This mechanism has been studied mainly in animals and cell models, not established as a safe human therapy.