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 2025-11-11 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.
Safety discussions about cardarine frequently cite rodent carcinogenicity findings reported in the 2000s. In those studies, treated animals developed tumors at multiple sites, leading sponsors to discontinue clinical development. The relevance of these findings to humans has not been resolved, but they are a major reason the compound is not approved. Current literature emphasizes uncertainty about long-term effects and the risks of unregulated use. Regulators and health agencies have not established a safe human exposure level.
Cardarine is a synthetic compound also known as GW501516, GW-501516, and sometimes endurobol. It was developed as a selective agonist of peroxisome proliferator-activated receptor delta, a nuclear receptor involved in fatty acid oxidation and energy metabolism. The compound was studied in preclinical models for metabolic and cardiovascular conditions, but it did not become a marketed human medicine. In regulatory and anti-doping contexts, it is treated as a prohibited substance rather than a licensed medicine.
| 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. |
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.
In laboratory settings, cardarine is studied as a tool compound for probing PPARδ biology. Published experiments often use cell cultures, rodent models, or isolated tissues. Some investigations focus on metabolic effects, while others assess potential risks such as carcinogenicity observed in long-term animal studies. Because human trials are sparse, most knowledge comes from preclinical work and adverse event reports. Scientific literature frequently notes the gap between animal findings and human outcomes. The compound is not a dietary supplement and is not intended for human consumption.
Cardarine is a common name for GW501516, a synthetic compound developed in the 1990s through research collaborations involving GlaxoSmithKline. It belongs to a class of molecules known as peroxisome proliferator-activated receptor delta agonists. Early studies explored its effects on lipid metabolism and energy expenditure in animal models. The compound was never approved as a human medicine, and clinical development was discontinued. In the years since, it has appeared in fitness and bodybuilding communities as a performance-enhancing substance. Regulatory agencies classify it as an unapproved drug.
PPARδ is a nuclear receptor that regulates gene expression related to fatty acid oxidation, glucose homeostasis, and mitochondrial function. GW501516 binds to this receptor with high affinity and activates downstream signaling in skeletal muscle and other tissues. Animal studies reported increased endurance and altered fuel preference, but human data remain limited and inconsistent. The precise relationship between receptor activation and observed physiological changes is still an area of active investigation. Researchers have also examined whether the compound affects inflammation or cell proliferation. No approved therapeutic indication exists for cardarine.
Quality assessment for cardarine samples usually combines identity, purity, and impurity testing. Nuclear magnetic resonance spectroscopy and mass spectrometry can confirm molecular structure, while high-performance liquid chromatography estimates purity. Certificates of analysis from testing laboratories may list these results, but they do not establish safety or legality. In the absence of approved manufacturing, products sold online may contain the wrong compound, variable amounts, or unlisted contaminants. Independent verification is therefore central to analytical work and to interpreting any reported biological activity.
Laboratory detection of GW501516 commonly uses liquid chromatography coupled with tandem mass spectrometry. The method can identify the parent compound or its metabolites in urine and blood after sample cleanup. Protein precipitation, solid-phase extraction, or enzymatic hydrolysis may precede analysis, depending on the matrix. Reference standards are required for accurate quantification and confirmation. Because the compound is not approved, testing often occurs in anti-doping, forensic, or research settings rather than routine clinical care. Results are reported with limits of detection and quantification.
Stability of GW501516 depends on form, temperature, light exposure, and moisture. Solid reference material is typically stored frozen or refrigerated in a desiccator and protected from light. Solutions in organic solvents such as dimethyl sulfoxide are often kept frozen in aliquots to reduce freeze-thaw cycling. Aqueous solubility is low, so aqueous stock solutions can be difficult to prepare without cosolvents. Degradation may appear as changes in chromatographic purity or mass spectral signal. Stability studies are needed to establish shelf life for any specific preparation.
=== Patent litigation === The PEGylated lipid nanoparticle drug delivery (LNP) system of the mRNA vaccine known as mRNA-1273 has been the subject of ongoing patent litigation with Arbutus Biopharma, from whom Moderna had previously licensed LNP technology. On 4 September 2020, Nature Biotechnology reported that Moderna had lost a key challenge in the ongoing case.
This bonding mode is observed in the commonly available metal carbonyls: Co2(CO)8, Fe2(CO)9, Fe3(CO)12, and Co4(CO)12. In certain higher nuclearity clusters, CO bridges between three or even four metals. These ligands are denoted μ3-CO and μ4-CO. Less common are bonding modes in which both C and O bond to the metal, such as μ3η2.
== Operations == MrMed's headquarters are in Chennai, with dispatch hubs located in Delhi and Bangalore. According to the Economic Times, the company reported an Annual Recurring Revenue (ARR) of ₹26 crore. In April 2024, the company entered the offline retail segment with the opening of its first store in Chennai.
March 4, 2009: Malaysia Malaysia has a 50% chance of slipping into the recession as growth is expected to reach just 0.5% for the year, said the executive director Datuk Mohamed Ariff Abdul Kareem of the Malaysian Institute of Economic Research.
=== Cerebrospinal fluid (lumbar puncture) === Testing of cerebrospinal fluid obtained from a lumbar puncture can provide evidence of chronic inflammation in the central nervous system. Two different biomarkers can show this inflammation with similar accuracy:
Sources: en.wikipedia.org
=== Mass photometry === Mass photometry (MP) is a rapid, in-solution, label-free method of obtaining the molecular mass of proteins, lipids, sugars and nucleic acids at the single-molecule level. The technique is based on interferometric scattered light microscopy. Contrast from scattered light by a single binding event at the interface between the protein solution and glass slide is detected and is linearly proportional to the mass of the molecule. This technique can also be used to measure sample homogeneity, to detect protein oligomerisation states, and to identify complex macromolecular assemblies (ribosomes, GroEL, AAV) and protein interactions such as protein-protein interactions. Mass photometry can accurately measure molecular mass over a wide range of molecular masses (40 kDa – 5 MDa).
In 1894, Hungarian inventor and industrialist István Röck started to manufacture a large industrial ammonia refrigerator which was powered by electric compressors (together with the Esslingen Machine Works). Its electric compressors were manufactured by the Ganz Works. At the 1896 Millennium Exhibition, Röck and the Esslingen Machine Works presented a 6-tonne capacity artificial ice producing plant. In 1906, the first large Hungarian cold store (with a capacity of 3,000 tonnes, the largest in Europe) opened in Tóth Kálmán Street, Budapest, the machine was manufactured by the Ganz Works. Until nationalisation after the Second World War, large-scale industrial refrigerator production in Hungary was in the hands of Röck and Ganz Works. Commercial refrigerator and freezer units, which go by many other names, were in use for almost 40 years prior to the common home models. They used gas systems such as ammonia (R-717) or sulfur dioxide (R-764), which occasionally leaked, making them unsafe for home use. Practical household refrigerators were introduced in 1915 and gained wider acceptance in the United States in the 1930s as prices fell and non-toxic, non-flammable synthetic refrigerants such as Freon-12 (R-12) were introduced. However, R-12 proved to be damaging to the ozone layer, causing governments to issue a ban on its use in new refrigerators and air-conditioning systems in 1994. The less harmful replacement for R-12, R-134a (tetrafluoroethane), has been in common use since 1990, but R-12 is still found in many old systems.
=== Structural analysis software === NASA software engineers have created thousands of computer programs over the decades equipped to design, test, and analyze stress, vibration, and acoustical properties of a broad assortment of aerospace parts and structures. The NASA Structural Analysis Program, or NASTRAN, is considered one of the most successful and widely used NASA software programs. It has been used to design everything from Cadillacs to roller coaster rides. Originally created for spacecraft design, it has been employed in a host of non-aerospace applications and is available to industry through NASA's Computer Software Management and Information Center (COSMIC). COSMIC maintains a library of computer programs from NASA and other government agencies and sells them at a fraction of the cost of developing a new program. NASA Structural Analysis Computer Software was inducted into the Space Foundation Space Technology Hall of Fame in 1988.
Rennie, the British commissioner in Allenstein, reported on 11 March 1920, that "in those parts which touch the Polish frontier a vigorous German propaganda is in progress" and that "the Commission is doing all it can to prevent German officials in the district from taking part in national propaganda in connection with the Plebiscite. Ordinances and instructions in this sense have been issued".
ribosome A macromolecular complex made of both RNA and protein which serves as the site of protein synthesis by translation. Ribosomes have two subunits, each of which consists of one or more strands of ribosomal RNA bound to various ribosomal proteins: the small subunit, which reads the messages encoded in messenger RNA molecules, and the large subunit, which links amino acids in sequence to form a polypeptide chain. Ribosomes are essential and ubiquitous in all cell types and are used by all known forms of life.
Sources: en.wikipedia.org
=== Care packs === Breakthrough T1D provides care packs containing resources and support for children, teens, and adults with T1D. One well-known care pack is the "Bag of Hope" in the US which contains toys and story books for children recently diagnosed with T1D to help them adjust. In Australia, the bag is called KIDSAC and each recipient receives their own Rufus, the Bear with Diabetes.
In November 1965 the government of the British colony of Southern Rhodesia issued an illegal Unilateral Declaration of Independence. This government represented the country's small white minority and was led by Prime Minister Ian Smith. The black majority of the population had little influence on the government, which sought to continue white racial privileges. At the time of independence the Rhodesian Security Forces were relatively large and well trained and equipped. Two groups with armed elements emerged as the opposition to the white Rhodesian regime. These were the Zimbabwe African National Union (ZANU), whose military wing was the Zimbabwe African National Liberation Army (ZANLA), and the Zimbabwe African People's Union (ZAPU) and its armed wing the Zimbabwe People's Revolutionary Army (ZIPRA). Both groups were initially based in Zambia, and from the late 1960s began dispatching insurgents into Rhodesia who used guerrilla tactics. These attacks initially proved ineffective and the Rhodesian military, which had been bolstered by forces from South Africa, was able to effectively counter them. Rhodesia's security situation began to deteriorate from late 1972, when the guerrilla armies began making more effective attacks in the north-east of the country. The collapse of the Portuguese Empire in 1975 that led to the independence of Mozambique led to a further increase to the challenges facing the Rhodesian regime, with the guerrillas using that country as well as Botswana as bases.
All traditional medicines, including TCM, are regulated by Indonesian Minister of Health Regulation of 2013 on traditional medicine. Traditional medicine license (Surat Izin Pengobatan Tradisional – SIPT) is granted to the practitioners whose methods are recognized as safe and may benefit health. The TCM clinics are registered but there is no explicit regulation for it. The only TCM method which is accepted by medical logic and is empirically proofed is acupuncture. The acupuncturists can get SIPT and participate in health care facilities.
== Abstracting and indexing == The journal is abstracted and indexed by Chemical Abstracts Service, MEDLINE/PubMed, Scopus, and the Science Citation Index Expanded. According to the Journal Citation Reports, the journal has a 2025 impact factor of 2.6.
is the number of amino acid residues, R1 is the first residue of the protein P, R2 is the second residue, and so forth. The problem with this approach was that in some sequence-similarity-search-based tools, the query protein often lacked significant homology (or sequence similarity) with any other known protein in the database. To resolve this problem, discrete models for representing protein samples were proposed. The simplest discrete model is using the amino acid composition (AAC) to represent protein samples. Under the AAC model, the protein P of Eq.1 can also be expressed by
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.
Cardarine is an investigational synthetic compound that acts as a PPARδ agonist. It is also known as GW501516 and has been studied mainly in preclinical research. It is not an approved medicine.