A practical reference on GW501516: what it is, how it behaves, what the literature reports, and where the honest uncertainties sit.
Reviewed 2026-04-07. Anything still debated is marked as such rather than presented as settled.
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 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.
At the molecular level, GW501516 binds and activates PPARδ, a nuclear receptor that regulates transcription. Activation shifts expression of genes involved in fatty acid oxidation, energy expenditure, and lipid transport in skeletal muscle and liver. Animal studies report increased endurance and altered lipid profiles after exposure. Human data are limited to small trials and do not establish long-term safety or efficacy. PPARδ also has roles in cell proliferation, so the relationship between activation and cancer risk remains an open question.
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.
| 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 |
After 1956, the Sino-Soviet alliance began to break down. Mao had defended Stalin when Khrushchev criticized him in 1956 and treated the new Soviet leader as a superficial upstart, accusing him of having lost his revolutionary edge. For his part, Khrushchev, disturbed by Mao's glib attitude toward nuclear war, referred to the Chinese leader as a "lunatic on a throne". After this, Khrushchev made many desperate attempts to reconstitute the Sino-Soviet alliance, but Mao considered it useless and denied any proposal. The Chinese-Soviet animosity spilled out in an intra-communist propaganda war. Further on, the Soviets focused on a bitter rivalry with Mao's China for leadership of the global communist movement. Historian Lorenz M. Lüthi argues:
=== Antimicrobial preservatives === Antimicrobial preservatives prevent degradation by bacteria. This method is the most traditional and ancient type of preserving—ancient methods such as pickling and adding honey prevent microorganism growth by modifying the pH level. The most commonly used antimicrobial preservative is lactic acid. Common antimicrobial preservatives are presented in the table. Nitrates and nitrites are also antimicrobial. The detailed mechanism of these chemical compounds range from inhibiting growth of the bacteria to the inhibition of specific enzymes.
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Sources: en.wikipedia.org
Under the new Soviet designation, anyone from the former Cossack territories of the North Caucasus provided they were not Circassians or other ethnic minorities, could claim Cossack status. In World War II, during the German invasion of the Soviet Union, many Cossacks continued to serve in the Red Army. Some fought as cavalry in the Cossack divisions, such as the 17th Kuban Cossack Cavalry Corps and the famous Lev Dovator Corps, later awarded the honorific designation "guard" in recognition of its performance. Other Cossacks fought as partisans, although the partisan movement did not acquire significant traction during the German occupation of the traditional Cossack homelands in the North Caucasus. The 4th Guards Cossacks Cavalry Corps took part in the Moscow Victory Parade of 1945 on Red Square.
=== Patterns === In TCM, "pattern" (证; zhèng) refers to a "pattern of disharmony" or "functional disturbance" within the functional entities of which the TCM model of the body is composed. There are disharmony patterns of qi, xuě, the body fluids, the zàng-fǔ, and the meridians. They are ultimately defined by their symptoms and signs (i.e., for example, pulse and tongue findings). In clinical practice, the identified pattern usually involves a combination of affected entities (compare with typical examples of patterns). The concrete pattern identified should account for all the symptoms a person has.
Umami peptides are a family of small to medium length polypeptides found in a variety of savoury foods, which impart an umami taste. They are best known from Asian condiments and foods such as soy sauce, fish sauce, oyster sauce, and miso, but are also found in a diverse range of other foods including cheese, stewed or preserved meat products, and Bolete mushrooms. One of the best characterised umami peptides is beefy meaty peptide, originally isolated from beef soup, an eight amino acid peptide with the sequence Lys-Gly-Asp-Glu-Glu-Ser-Leu-Ala which is thought to interact with the T1R1/T1R3 taste receptor complex. There are dozens if not hundreds of umami peptides known, most of which have been little studied in isolation as they typically occur in complex mixtures, which can vary significantly between different foods, brands, and even different batches made the same way. Not all peptides isolated from such mixtures have umami flavour, with some closely related peptides tasting sweet, sour, salty, bitter or kokumi, and often a change in only a single amino acid can be enough to change the flavour entirely. However, the majority of peptides isolated from fermented foods or cooked or preserved meat products tend to have an umami flavour, with trace amounts of peptides with other flavours contributing to the overall flavour profile of the food.
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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 a common name for the investigational compound GW501516. It acts as a PPARδ agonist and is not approved for human use. It is prohibited in sport.