Cardarine 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 2026-04-04 and is reviewed periodically as new material appears.
Cardarine is a common name for GW501516, also GW-1516, a synthetic compound developed as a peroxisome proliferator-activated receptor delta (PPARδ) agonist. It belongs to a class of agents that modulate gene transcription related to lipid and energy metabolism. The compound was studied in preclinical and early clinical research for metabolic and cardiovascular conditions, but it did not progress to approved therapeutic use. Its name appears in fitness and sports contexts despite not being approved as a drug.
PPARδ is a nuclear receptor that influences transcription of genes involved in fatty acid oxidation, lipid transport, and energy homeostasis. GW501516 binds and activates this receptor with high selectivity relative to PPARα and PPARγ in laboratory assays. Activation alters expression of target genes in skeletal muscle, liver, and adipose tissue in animal models. The exact clinical consequences of these changes in humans remain incompletely characterized, and observed effects in animals do not establish therapeutic benefit or safety.
Published studies have examined GW501516 in animal models of obesity, insulin resistance, and exercise endurance. Early human trials reportedly ended, and development was discontinued after preclinical findings raised concerns about cancer in some rodent studies. Regulatory agencies have not approved cardarine for any medical use. Its availability through non-pharmaceutical channels raises questions about identity, purity, and legal status that are separate from its laboratory pharmacology. Those questions are often addressed through analytical testing rather than assumptions about product labels.
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.
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.
| Property | Value | Notes |
|---|---|---|
| Chemical class | PPARδ agonist | Not an anabolic steroid. |
| Common synonyms | GW501516, GW-1516 | Cardarine is an informal name. |
| Appearance | White to off-white powder | Typical for research-grade solid. |
| Solubility class | Poorly soluble in water; soluble in some organic solvents | Such as DMSO or ethanol in laboratory settings. |
| Typical storage temperature | Cool, dry, protected from light | Specific conditions vary by supplier and form. |
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.
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.
=== Counseling === It is no longer common practice to hide a diagnosis of CAIS from the affected individual or her family. Parents of children with CAIS need considerable support in planning and implementing disclosure for their child once the diagnosis has been established. For parents with young children, information disclosure is an ongoing, collaborative process requiring an individualized approach that evolves in concordance with the child's cognitive and psychological development. In all cases, the assistance of a psychologist experienced in the subject is recommended.
=== Autosamplers === Large numbers of samples can be automatically injected onto an HPLC system, by the use of HPLC autosamplers. In addition, HPLC autosamplers have an injection volume and technique which is exactly the same for each injection, consequently they provide a high degree of injection volume precision. It is possible to enable sample stirring within the sampling-chamber, thus promoting homogeneity.
==== Non-genomic mechanisms ==== Testosterone signals not only through the nuclear AR, but also through mARs, including ZIP9 and GPRC6A. It has been proposed that differential signaling through mARs may be involved in the dissociation of the anabolic and androgenic effects of AAS. Indeed, DHT has less than 1% of the affinity of testosterone for ZIP9, and the synthetic AAS metribolone and mibolerone are ineffective competitors for the receptor similarly. This indicates that AAS do show differential interactions with the AR and mARs. However, women with complete androgen insensitivity syndrome (CAIS), who have a 46,XY ("male") genotype and testes but a defect in the AR such that it is non-functional, are a challenge to this notion. They are completely insensitive to the AR-mediated effects of androgens like testosterone, and show a perfectly female phenotype despite having testosterone levels in the high end of the normal male range. These women have little or no sebum production, incidence of acne, or body hair growth (including in the pubic and axillary areas). Moreover, CAIS women have lean body mass that is normal for females but is of course greatly reduced relative to males. These observations suggest that the AR is mainly or exclusively responsible for masculinization and myotrophy caused by androgens. The mARs have however been found to be involved in some of the health-related effects of testosterone, like modulation of prostate cancer risk and progression.
=== Music === Mass (band), an English post-punk band Mass (music), a choral composition that sets liturgical text to music Mass (Stravinsky), a composition by Igor Stravinsky Mass (Bernstein), a musical theater work by Leonard Bernstein Mass (Grotus album), 1996 Mass (The Gazette album), 2021 The Mass (album), by musical project Era Mass, a 2011 album by New Zealand musician Alastair Galbraith
Sources: en.wikipedia.org
=== Tempe kering === Also known as kering tempe (lit: 'dry tempeh'), or sambal goreng tempe if mixed with plenty of hot and spicy sambal chili pepper sauce. It is a crispy, sweet and spicy, fried tempeh. The raw tempeh is cut into small sticks and thoroughly deep-fried until no longer moist, and then mixed with palm sugar, chili pepper or other spices, or with sweet soy sauce. Often it is mixed with separately fried peanuts and anchovies (ikan teri). This dry tempeh will keep for up to a month if cooked and stored properly.
During the Heian period (794 – 1185), the main use of cattle was for bullock carts. Cattle that excelled in this use were called sun-gyū (駿牛, swift bulls) and were regarded as excellent bulls. Owning such an excellent bull became a source of pride for the aristocrats of Japan at that time. The "Pictorial Record of Swift Bulls" (駿牛絵詞) which is believed to have been written around 1279, is said to be the world's oldest specialized book on bulls. In the same book, the names of 52 bulls are listed as swift bulls. At the time, the cattle from Iki Island in present-day Nagasaki Prefecture had the highest reputation as swift bulls, but they were temporarily destroyed by the Mongolian army during the Mongolian invasion, which killed them and used them as food. From the Kamakura period (1185–1333) to the Muromachi period (1336–1573), farming using cattle and horses became popular mainly in western Japan, contributing greatly to the development of agriculture. In a complaint by a farmer in 1423, describing the wrongdoing of a manor administrator, it mentions that the farmer owned cattle and used them for farming.
Removing the algae underwater without disrupting native flora is accomplished by humans diving underwater and manually removing the reproductive parts of the wakame to reduce its spread. Proper and regular cleaning of underwater apparatus reduces the potential vectors for wakame spores, reducing the spread of the seaweed.
Prediabetes is a component of metabolic syndrome and is characterized by elevated blood sugar levels that fall below the threshold to diagnose diabetes mellitus. It usually does not cause symptoms, but people with prediabetes often have obesity (especially abdominal or visceral obesity), dyslipidemia with high triglycerides and/or low HDL cholesterol, and hypertension. It is also associated with increased risk for cardiovascular disease (CVD). Prediabetes is more accurately considered an early stage of diabetes, as health complications associated with type 2 diabetes often occur before the diagnosis of diabetes. Prediabetes can be diagnosed by measuring hemoglobin A1c, fasting glucose, or glucose tolerance test. Many people may be diagnosed through routine screening tests. The primary treatment approach includes lifestyle changes such as exercise and dietary adjustments. Some medications can be used to reduce the risks associated with prediabetes. There is a high rate of progression to type 2 diabetes but this does not develop for everyone with prediabetes. Prediabetes can be a reversible condition with lifestyle changes. For many people, prediabetes and diabetes are diagnosed through a routine screening at a check-up. The earlier prediabetes is diagnosed, the more likely an intervention will be successful.
However, acetals, including those found in polysaccharide linkages, cannot easily become free aldehydes. Reducing sugars react with amino acids in the Maillard reaction, a series of reactions that occurs while cooking food at high temperatures and that is important in determining the flavor of food. Also, the levels of reducing sugars in wine, juice, and sugarcane are indicative of the quality of these food products.
Sources: en.wikipedia.org
Cardarine is commonly known as GW501516 or GW-1516. These names refer to the same synthetic compound. It is not a brand-name approved medicine.
No, cardarine is not a steroid. It is classified as a PPARδ agonist. Its structure and receptor target differ from anabolic steroids.
No regulatory agency has approved cardarine as a medicine. It was investigated in early research but development was discontinued. It is not available as a prescription drug.
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.