A practical reference on Prohibited list: what it is, how it behaves, what the literature reports, and where the honest uncertainties sit.
Reviewed 2026-05-31. Anything still debated is marked as such rather than presented as settled.
Cardarine is not approved for human therapeutic use in any major jurisdiction. It appears on the World Anti-Doping Agency Prohibited List as a PPARδ agonist within the hormone and metabolic modulators category. Sports organizations test for it because it has been detected in athlete samples and seized products. Regulatory actions against marketed research chemical versions have occurred in several countries, though enforcement varies. Availability through unregulated channels complicates oversight.
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.
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 |
|---|---|---|
| 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. |
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.
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 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.
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.
Adaptation to increased concentrations of CO2 occurs in humans, including modified breathing and kidney bicarbonate production, in order to balance the effects of blood acidification (acidosis). Several studies suggested that 2.0 percent inspired concentrations could be used for closed air spaces (e.g. a submarine) since the adaptation is physiological and reversible, as deterioration in performance or in normal physical activity does not happen at this level of exposure for five days. Yet, other studies show a decrease in cognitive function even at much lower levels. Also, with ongoing respiratory acidosis, adaptation or compensatory mechanisms will be unable to reverse the condition.
==== Tandem Mobi ==== The Tandem Mobi system is an automated insulin delivery AID system developed by Tandem Diabetes Care. It is powered by Control‑IQ+ technology (commercially launched in March 2025) which utilizes continuous glucose monitoring CGM sensor data to predict glucose levels 30 minutes in advance and adjust insulin delivery accordingly. The system can automatically deliver correction boluses, a feature referred to as AutoBolus, to help reduce the risk of hyperglycemia. Tandem Mobi is the only AID system that allows full control through a compatible mobile application, including on iPhone devices.
=== Animal health === In livestock, cattle and sheep commonly show indications when they are copper deficient. Swayback, a sheep disease associated with copper deficiency, imposes enormous costs on farmers worldwide, particularly in Europe, North America, and many tropical countries. For pigs, copper has been shown to be a growth promoter.
Sources: en.wikipedia.org
There are two tiers of local government covering Wilmslow, at parish (town) and unitary authority level: Wilmslow Town Council and Cheshire East Council. The town council is based at the Parish Hall on Cliff Road.
The VIP gets 200 armor and has 150% movement speed; they also have a unique skin for identification purposes. Formerly, there was a fourth objective called Escape. In this scenario, the terrorist team had to "escape" to a designated escape point while the Counter-Terrorist team tried to kill them. When half of the team has managed to escape, the Terrorists win the round. Following each of the eight rounds of play, the two sides will trade roles. If one team eliminates the other, either team can win the scenario. A heads-up display (HUD) shows information to assist players during gameplay. The action indicator in the top right displays the names of players who are killed and the weapon used. The radar, or mini-map, shows the positions of teammates and other relevant map details. The HUD displays the player's health, armor, ammunition, and money as well as the round timer. On the left side, icons indicate important locations such as hostage rescue areas, VIP escape points, buy zones, and bomb sites, and in bomb defusal maps, it shows whether the player is carrying the C4 bomb or a defuse kit. There are three categories of weapons: melee (knife), secondary (handguns), and primary (rifles, shotguns, machine guns, and submachine guns). Players are only allowed to carry one weapon of each category at a time. There is a separate category for equipment like defusing kits and hand grenades which do not have the same carry limits.
==== Temperature reconstruction ==== Isotopic composition of precipitation can be used to infer changes in air temperature based on the Rayleigh process. Lower temperature corresponds to lower saturation vapor pressure, which leads to more condensation that drives the residual vapor toward isotope depletion. The resulting precipitation thus has a more negative δD and δ18O value at lower temperature. This precipitation isotope thermometer is more sensitive at lower temperatures, and widely applied at high latitudes. For example, δD and δ18O were found to have a temperature sensitivity of 8‰/°C and 0.9‰/°C in Antarctic snow, and a sensitivity of 5.6‰/°C and 0.69‰/°C across Arctic sites. δD and δ18O of ice cores in Greenland, Antarctica and alpine glaciers are important archives of temperature change in the geological past.
After Spain's incorporation to the EEC, it was time to call the promised referendum on Spain's permanence in NATO. But Felipe González and his government ─ the Minister of Foreign Affairs Fernando Morán resigned when he disagreed ─ announced that they were going to defend Spain's remaining in NATO, under three mitigating conditions: the non-incorporation into the military structure, the prohibition to install, store or introduce nuclear weapons and the reduction of US military bases in Spain. Faced with the PSOE's "turnaround", the banner of rejection of NATO was taken up by the Communist Party of Spain ─ now led by the Asturian Gerardo Iglesias who had replaced Santiago Carrillo ─ which formed a broad coalition of left-wing organizations and parties, from which United Left would emerge. Meanwhile, the "pro-Atlantist" Alianza Popular paradoxically opted for abstention, leaving the government alone. Against all expectations, Felipe González ─ who announced that he would resign if the "NO" vote won, which seems to have influenced many voters ─ finally managed to turn the polls around and the "YES" eventually prevailed in the referendum held on March 12, 1986, albeit by a narrow margin. The result of the referendum, "the toughest test of his prolonged mandate", strengthened Felipe González's leadership, both in his party and in the country as a whole, as could be seen in the general elections held that year, in which the PSOE again won an absolute majority.
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.