This is a working overview of PPARδ agonist, written for readers who want more than a one-paragraph summary but less than a textbook.
This page was last updated on 2026-02-26 and is reviewed periodically as new material appears.
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.
Regulatory treatment varies, but cardarine is not approved as a medicine. Sports authorities list GW501516 as a prohibited substance, and it is banned at all times under the World Anti-Doping Agency code. Many countries restrict sales for human consumption, while online vendors market it as a research chemical. Such products may lack purity data, and their actual contents can differ from the label. Purchasing or possessing cardarine may carry legal consequences depending on jurisdiction. The compound is not a dietary supplement ingredient in regulated markets.
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.
The pharmacological interest in cardarine centers on PPARδ activation and its downstream effects on lipid handling and mitochondrial function. In animal studies, PPARδ agonists have been associated with changes in exercise endurance and fatty acid utilization, though results vary by model and protocol. Human data remain sparse, and the absence of large controlled trials limits conclusions about efficacy. Researchers often describe the compound as a tool for probing PPARδ biology rather than a proven therapeutic agent.
| Property | Value | Notes |
|---|---|---|
| Common synonyms | GW501516; GW-1516; endurobol | GW501516 is the research code |
| Drug class | PPARδ agonist | Not a selective androgen receptor modulator |
| Molecular formula | C21H18F3NO3S2 | Established chemical formula |
| Molar mass | 453.5 g/mol | Calculated from the formula |
| Regulatory status | Prohibited in sport; not approved as medicine | Status varies by country |
Laboratory studies have examined GW501516 in cell cultures and rodents for conditions such as dyslipidemia, insulin resistance, and obesity. Some trials in humans were initiated, but development was discontinued after preclinical findings raised concerns about cancer in certain models. Those findings do not prove that the compound causes cancer in people, but they contributed to regulatory caution. Later reviews often describe the evidence as preliminary and insufficient for assessing long-term safety.
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 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.
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.
Adorno, Theodor. Aesthetic Theory. Archived 8 July 2011 at the Wayback Machine University of Minnesota Press, 1996 Fieser, James; Dowden, Bradley (eds.). "Theodor Adorno". Internet Encyclopedia of Philosophy. ISSN 2161-0002. OCLC 37741658. Zuidervaart, Lambert. "Theodor W. Adorno". In Zalta, Edward N. (ed.). Stanford Encyclopedia of Philosophy. ISSN 1095-5054. OCLC 429049174. Illuminations – The Critical Theory Project Odysseus and the Siren Call of Reason: The Frankfurt School Critique of Enlightenment published in Other Voices, n.1 v.1, 1997. "Adorno during the 1950s" by Juergen Habermas Archived 7 February 2016 at the Wayback Machine Daniel Sherer, "Adorno's Reception of Loos: Modern Architecture, Aesthetic Theory, and the Critique of Ornament", Potlatch 3 (Spring 2014), 19–31. Sound recordings with Theodor W. Adorno in the Online Archive of the Österreichische Mediathek (Scientific lectures) (in German) Theodor W. Adorno discography at Discogs Review of Prisms (1955) The Boston Phoenix (1982)
Media related to Bananas and plantains as food at Wikimedia Commons Musapedia: "The banana knowledge compendium", maintained by ProMusa CGIAR's RTB Research Program Banana Page Banana and Plantain at the International Institute of Tropical Agriculture (IITA)
A butterfly check valve is a variant on the swing check valve, having two hinged flaps which act as check valves to prevent backwards flow. It should not be confused with the similarly named butterfly valve, which is used for flow regulation and does not have a one-way flow function.
Sources: en.wikipedia.org
== Legal status == There was a proposal being discussed by the UN Commission on Narcotic Drugs (CND) to include butyrfentanyl in Schedule 1 of the 1961 Single Convention on Narcotic Drugs which was passed 16 March 2017.
Research is still being done to see if these stem cells are viable enough to grow into completely new teeth. Some parents even opt to keep their children's baby teeth in special storage with the thought that, when older, the children could use the stem cells within them to treat a condition. Clinical studies conducted have reported usage of patients own dental pulp stem cells, aiding faster healing of orthodontic bone defects when transplanted using polymer scaffold carriers.
Foot care Especially important for diabetics. This involves taking special steps to avoid foot problems such as sores, cuts, bunions, and calluses. Good care includes daily examination of the feet, toes, and toenails for problems of possible problems, and choosing shoes and socks (or stockings) that fit well and so do not cause pressure points, binding, or pinching. People with diabetes have to take special care of their feet because nerve damage and altered blood flow mean they will have less feeling in their feet than normal, and poorer healing than usual. They may not notice cuts and other problems as soon as they should. They will also heal less well than others. Fractional urine Urine that a person collects for a certain period of time during 24 hours; usually from breakfast to lunch, from lunch to dinner, from dinner to bedtime, and from bedtime to rising. Also called "block urine." Fructose a simple sugar (often found in fruit) which does not participate in the glucose metabolism control system. In the human diet, fructose is largely found in some fruit, but in the past few decades, it has been used as a sweetener in any foods in the form of high fructose corn syrup. It is also half of the common sugar molecule (i.e., sucrose); the other half is glucose. It has a parallel metabolic pathway to glucose but is handled only by the liver. It is also implicated in characteristic blood triglyceride profile changes. There is suspicion that prolonged high levels of fructose ingestion are a cause of obesity, and perhaps of diabetes.
Amitabha Chattopadhyay is an Indian scientist working in the areas of membrane and receptor biology and biophysics . He is presently a CSIR Bhatnagar Fellow at the Center for Cellular and Molecular Biology and served as the founding dean of biological sciences at the Academy of Scientific and Innovative Research (AcSIR). In addition, he is a distinguished visiting professor at the Indian Institute of Technology Bombay, adjunct professor at the Jawaharlal Nehru University (New Delhi), Tata Institute of Fundamental Research, Indian Institute of Science Education and Research (Kolkata), Swinburne University of Technology (Australia), and honorary professor at the Jawaharlal Nehru Centre for Advanced Scientific Research (Bangalore). He was elected a Fellow of the Royal Society of Chemistry in 2013 and Royal Society of Biology in 2017. Chattopadhyay has authored more than 300 research papers and has an h-index of 65. In 2016, Chattopadhyay won The World Academy of Sciences in Biology for his seminal contribution in understanding the role of membrane cholesterol in the organization and function in healthy and diseased conditions.
Sources: en.wikipedia.org
18 October 2016: Astellas completes a clinical trial for Type-2 diabetes mellitus in Japan prior to October 2016 7 September 2016: Astellas Pharma plans a phase III trial for Type-1 diabetes mellitus (Combination therapy) in Japan 1 August 2016: Phase III clinical trials in type 1 diabetes mellitus (combination therapy) in Japan Ipragliflozin was also in development for type 2 diabetes mellitus in the U.S., Europe and other countries, and three phase II trials were completed in combination with metformin. This was since discontinued.
The government of Nkrumah was subsequently overthrown in a coup by the Ghana Armed Forces, codenamed "Operation Cold Chop". This occurred while Nkrumah was abroad with Zhou Enlai in the People's Republic of China, on a mission to Hanoi, Vietnam, to help end the Vietnam War. The coup took place on 24 February 1966, led by Colonel Emmanuel Kwasi Kotoka and Brigadier Akwasi Afrifa. The National Liberation Council was formed, chaired by Lieutenant General Joseph A. Ankrah. A series of alternating military and civilian governments, mostly affected by economic instabilities, ruled Ghana from 1966, ending with the ascent to power of Flight Lieutenant Jerry John Rawlings of the Provisional National Defence Council in 1981. These changes resulted in the suspension of the constitution in 1981 and the banning of political parties. The economy declined, so Rawlings negotiated a structural adjustment plan, changing some economic policies, and growth recovered during the 1980s. A new constitution restoring multi-party system politics was promulgated in the presidential election of 1992, in which Rawlings was elected, and again in the general election of 1996. In a tribal war in Northern Ghana in 1994, between the Konkomba and other ethnic groups, including the Nanumba, Dagomba and Gonja, between 1,000 and 2,000 people were killed and 150,000 people were displaced.
== Phylogeny == Like the tomato, potatoes belong to the genus Solanum, which is a member of the nightshade family, the Solanaceae. That is a diverse family of flowering plants, often poisonous, that includes the mandrake (Mandragora), deadly nightshade (Atropa), and tobacco (Nicotiana), as shown in the outline phylogenetic tree (many branches omitted). The most commonly cultivated potato is S. tuberosum; there are several other species.
Sources: en.wikipedia.org
No. Cardarine is GW501516, a PPARδ agonist, while SARMs act on androgen receptors. The two classes are often grouped in informal discussions despite different mechanisms.
No. It has no approved medical indication in any country. Regulatory agencies have not cleared it for treatment or prevention of any condition.
Early clinical work stopped after rodent carcinogenicity findings. Those animal results raised concerns about long-term human risk, although direct human evidence is lacking. The human relevance of the tumors remains an open scientific question.
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.