A practical reference on PPARδ agonist: what it is, how it behaves, what the literature reports, and where the honest uncertainties sit.
This page was last updated on 2025-12-10 and is reviewed periodically as new material appears.
Regulatory bodies treat GW501516 as a prohibited substance in competitive sport. The World Anti-Doping Agency added it to the prohibited list, and it falls under classes covering metabolic modulators and hormone-related agents. It is not approved by drug regulators for human use, and it is not a lawful dietary supplement. Products sold under the cardarine name may contain unlisted ingredients or different compounds. Because no approved product exists, quality and identity are not guaranteed by pharmaceutical manufacturing standards.
Cardarine is a common name for the investigational chemical GW501516, also written GW-1516. It was developed as a peroxisome proliferator-activated receptor delta agonist for metabolic conditions such as dyslipidemia. Early research focused on lipid handling and energy use in skeletal muscle and other tissues. The compound was never approved as a medicine. In public discussion, it is often grouped with performance-enhancing substances, although its receptor target differs from that of anabolic steroids or selective androgen receptor modulators. Regulatory and health authorities have issued warnings about its use.
GW501516 acts on PPARδ, a nuclear receptor that helps regulate fatty acid oxidation and energy homeostasis. In animal studies, activation of this receptor was associated with increased endurance and changes in lipid metabolism. Human trials examined effects on blood lipids and other metabolic markers, but the compound did not advance to approval. Rodent studies later reported tumors in multiple tissues at doses used in those experiments. Whether those findings translate to human risk remains uncertain, and the clinical relevance of the animal data is still debated.
Detection of GW501516 in biological samples generally relies on liquid chromatography coupled with tandem mass spectrometry. Urine is a common matrix in anti-doping analysis, while blood or plasma may be used in research settings. Sample preparation can involve enzymatic hydrolysis, protein precipitation, or solid-phase extraction before instrumental analysis. Because the compound undergoes metabolism, assays may target the parent molecule, one or more metabolites, or both. Detection windows are not fixed; they depend on factors such as dose, route, individual metabolism, and assay sensitivity. Reference standards are required for accurate identification and quantification.
Handling and quality assessment of cardarine reference material follow general laboratory practices for poorly characterized compounds. It typically appears as a white to off-white powder and is sparingly soluble in water but soluble in organic solvents such as dimethyl sulfoxide and ethanol. Storage recommendations usually specify a cool, dry, dark place, with long-term storage at low temperature and desiccation. Purity may be checked by high-performance liquid chromatography with ultraviolet detection, while identity is confirmed by mass spectrometry and nuclear magnetic resonance. No pharmacopeial monograph exists, so reported purity and stability depend on the supplier’s methods.
| Property | Value | Notes |
|---|---|---|
| Common name | Cardarine | Common internet and media name. |
| Research code | GW501516 | Also written GW-1516. |
| Drug class | PPARδ agonist | Not a selective androgen receptor modulator. |
| Development status | Discontinued | Clinical development halted after rodent cancer findings. |
| Regulatory status | Prohibited in sport | Listed by WADA; not approved as medicine. |
Cardarine is frequently described as a fat-burning or endurance-enhancing supplement, but these claims exceed the available evidence. The compound is not a hormone, steroid, or selective androgen receptor modulator. Research articles discuss it as a tool compound for studying PPARδ biology, while anti-doping literature focuses on its abuse and detection. Quality of unapproved products is uncertain, and independent analyses have found impurities or incorrect labeling. Open questions include whether human cancer risk resembles that seen in rodents and how often non-athletes use the substance.
Cardarine has no approved therapeutic indication and is not marketed as a medicine. The World Anti-Doping Agency lists GW501516 as a prohibited substance at all times, covering both in-competition and out-of-competition periods. National laws vary: some countries treat it as an unapproved drug subject to import controls, while others have specific restrictions on sale for human consumption. It is often sold as a research chemical, a label that does not imply safety or legality. Enforcement actions have targeted online vendors and shipments.
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.
== Conferences == Cold fusion researchers were for many years unable to get papers accepted at scientific meetings, prompting the creation of their own conferences. The International Conference on Cold Fusion (ICCF) was first held in 1990 and has met every 12 to 18 months since. Attendees at some of the early conferences were described as offering no criticism to papers and presentations for fear of giving ammunition to external critics, thus allowing the proliferation of crackpots and hampering the conduct of serious science. Critics and skeptics stopped attending these conferences, with the notable exception of Douglas Morrison, who died in 2001. With the founding in 2004 of the International Society for Condensed Matter Nuclear Science (ISCMNS), the conference was renamed the International Conference on Condensed Matter Nuclear Science—for reasons that are detailed in the subsequent research section above—but reverted to the old name in 2008. Cold fusion research is often referenced by proponents as "low-energy nuclear reactions", or LENR, but according to sociologist Bart Simon the "cold fusion" label continues to serve a social function in creating a collective identity for the field. Since 2006, the American Physical Society (APS) has included cold fusion sessions at their semiannual meetings, clarifying that this does not imply a softening of skepticism. Since 2007, the American Chemical Society (ACS) meetings also include "invited symposium(s)" on cold fusion.
Undeterred, Aditya returns to India and has Ajay's proxy killed with the excuse of self-defence and announces that they will display Ajay's corpse to the media. Vinod's accomplices, cornered and with no other options, turn against him; to save themselves, they have Ajay secretly returned to India and killed. At Ajay's wake, however, it is revealed Ajay is not Vinod's son but that of feared mafia boss Hariharan "Hari" Chopra, who is responsible for the massacre of 17 policemen in Mumbai. While in London, Hari learns of Ajay's murder. Vowing revenge, he secretly enters India via the Bangladesh–India border. Fearing for his life, Vinod contacts Aditya's daughter, Valli, and warns her that Aditya is in danger. Hari later stabs Vinod for his inability to protect Ajay, targets Aditya and Valli, and arranges a gruesome car accident. Aditya survives the attack, but Valli is diagnosed with a subdural hematoma, and her doctor tells her she has only two hours to live. Valli records a video for Aditya and dies. In his grief over her death, Aditya turns violent. Believing Vinod to be responsible for the car accident, Aditya barges into his residence but learns of his murder. Enraged and confused, Aditya sets out to discover the truth behind Valli's death and kills numerous gangsters in the process. Present: Hari's goons ambush Aditya and his subordinates. Although they survive the attack, they suspend Aditya for his rash behaviour. About to give up, he discovers Valli's video, in which she reveals Vinod's earlier warning and encourages Aditya to persevere with his investigation.
== Veterinary medicine == HbA1c testing has not been found useful in the monitoring during the treatment of cats and dogs with diabetes, and is not generally used; monitoring of fructosamine levels is favoured instead.
==== One-stepwise pyrolysis and two-stepwise pyrolysis for tobacco waste ==== Pyrolysis has also been used in trying to mitigate tobacco waste. One method was done where tobacco waste was separated into two categories, TLW (Tobacco Leaf Waste) and TSW (Tobacco Stick Waste). TLW was determined to be any waste from cigarettes and TSW was determined to be any waste from electronic cigarettes. Both TLW and TSW were dried at 80 °C for 24 hours and stored in a desiccator. Samples were grounded so that the contents were uniform. Tobacco Waste (TW) also contains inorganic (metal) contents, which was determined using an inductively coupled plasma-optical spectrometer. Thermo-gravimetric analysis was used to thermally degrade four samples (TLW, TSW, glycerol, and guar gum) and monitored under specific dynamic temperature conditions. About one gram of both TLW and TSW were used in the pyrolysis tests. During these analysis tests, CO2 and N2 were used as atmospheres inside of a tubular reactor that was built using quartz tubing. For both CO2 and N2 atmospheres the flow rate was 100 mL min−1. External heating was created via a tubular furnace. The pyrogenic products were classified into three phases. The first phase was biochar, a solid residue produced by the reactor at 650 °C. The second phase liquid hydrocarbons were collected by a cold solvent trap and sorted by using chromatography. The third and final phase was analyzed using an online micro GC unit and those pyrolysates were gases.
Sources: en.wikipedia.org
=== Acquisition of ZLB Bioplasma AG and Aventis Behring === In 2000, CSL doubled its size through the purchase of a Swiss plasma company, the Bern-based ZLB Bioplasma AG. In 2004, during a period of plasma oversupply, the company expanded again with the purchase of the German medical company Aventis Behring. The company was the second Australian public company to have reached a share price of over $100 per share.
=== Shamanism, mestizos, and vegetalistas === Researchers like Peter Gow and Brabec de Mori argue that ayahuasca use indeed developed alongside the Jesuit missions after the 17th century. By examining the ícaros (ayahuasca-related healing chants), they found that the chants are always sung in Quechua (a lingua franca along the Jesuit and Franciscan missions in the region), no matter the linguistic background of the group, with similar language structures between different ícaros that are markedly different from other indigenous songs. Moreover, often the cosmology of ayahuasca often mirrors the Catholicism, with particular similarities in the belief that ayahuasca is thought to be the body of ayahuascamama that is imbibed as part of the ritual, like wine and bread are taken as being the body and blood of Jesus Christ during Christian Eucharist. Brabec de Mori called this "Christian camouflage" and suggested that rather than being a way for disguising the ayahuasca ritual, it suggests that practice evolved entirely within these contexts. Indeed, the colonial processes in Western Amazon are intrinsically related with the development of ayahuasca use in the last three centuries, as it promoted a deep reshape in traditional ways of life in the region. Many indigenous groups moved into the Missions, seeking protection from death and slavery promoted by the Bandeiras, inter-tribal violence, starvation and disease (smallpox).
Teleostei (; from Ancient Greek τέλειος (téleios) 'complete' and ὀστέον (ostéon) 'bone'), members of which are known as teleosts (), is, by far, the largest group of ray-finned fishes (class Actinopterygii), with 96% of all extant species of fish. The Teleostei, which is variously considered a division or an infraclass in different taxonomic systems, include over 26,000 species that are arranged in about 40 orders and 448 families. Teleosts range from giant oarfish measuring 7.6 m (25 ft) or more, and ocean sunfish weighing over 2 t (2.0 long tons; 2.2 short tons), to the minute male anglerfish Photocorynus spiniceps, just 6.2 mm (0.24 in) long. Including not only torpedo-shaped fish built for speed, teleosts can be flattened vertically or horizontally, be elongated cylinders or take specialised shapes as in anglerfish and seahorses. The difference between teleosts and other bony fish lies mainly in their jaw bones; teleosts have a movable premaxilla and corresponding modifications in the jaw musculature which make it possible for them to protrude their jaws outwards from the mouth. This is of great advantage, enabling them to grab prey and draw it into the mouth. In more derived teleosts, the enlarged premaxilla is the main tooth-bearing bone, and the maxilla, which is attached to the lower jaw, acts as a lever, pushing and pulling the premaxilla as the mouth is opened and closed. Other bones further back in the mouth serve to grind and swallow food. Another difference is that the upper and lower lobes of the tail (caudal) fin are about equal in size.
From summer 1921 to spring 1922, a team at the University of Toronto succeeded in isolating the hormone insulin, which type 1 diabetics are unable to produce on their own. Hughes's mother contacted Canadian doctor Frederick Banting, who agreed to take her as a private patient. Hughes arrived in Toronto with her mother on August 15, 1922, and began receiving insulin from Dr. Banting. She recovered rapidly, and she was placed on a 2200–2400 calorie weight-gain diet within two weeks. She returned home to Washington, D.C., on Thanksgiving Day 1922.
== AZF1 / AZFa == The AZF1 (Azoospermia Factor 1) gene is likely located in the euchromatic part of the long arm in Yq11.23. AZF1 is 792kb long and just distal to the centromere of the Y chromosome. AZF1 genes are involved in spermatogenesis in the testes. Common phenotypic manifestations of deletions in this region are azoospermia and Sertoli cell-only syndrome. Men with a complete deletion in the AZFa region are unable to produce testicular spermatozoa for ICSI. There are several candidate genes in the AZFa region that have been shown to cause infertility in males: Ubiquitin Specific Peptidase 9, Y-Linked (USP9Y), DEAD Box RNA helices, Box3, Y-linked (DBY), Ubiquitously Transcribed Tetratricopeptide Repeat Containing, Y-linked (UTY), and Thymosin Beta 4, Y-Linked (TB4Y).
Sources: en.wikipedia.org
=== Gynecomastia === Flutamide, as a monotherapy, causes gynecomastia in 30 to 79% of men, and also produces breast tenderness. However, more than 90% of cases of gynecomastia with NSAAs including flutamide are mild to moderate. Tamoxifen, a selective estrogen receptor modulator (SERM) with predominantly antiestrogenic actions, can counteract flutamide-induced gynecomastia and breast pain in men.
== Historical timeline == 1895 Wilhelm Conrad Röntgen discovers X-rays ("bremsstrahlung", from German for radiation produced by deceleration) 1896 Antoine Henri Becquerel discovers natural radioactivity; Minck proposes the therapeutic use 1904 Samuel Prescott describes the bactericide effects Massachusetts Institute of Technology (MIT) 1906 Appleby & Banks: UK patent to use radioactive isotopes to irradiate particulate food in a flowing bed 1918 Gillett: U.S. Patent to use X-rays for the preservation of food 1921 Schwartz describes the elimination of Trichinella from food 1930 Wuest: French patent on food irradiation 1943 MIT becomes active in the field of food preservation for the U.S. Army 1951 U.S. Atomic Energy Commission begins to co-ordinate national research activities 1958 World first commercial food irradiation (spices) at Stuttgart, Germany 1963 FDA approves food irradiation. NASA begins irradiating astronaut food items to prevent food borne illness during space missions.
The stems stay dry through this process to prevent disease in subsequent storage. The major cut flower types can be packaged and stored dry while other types are stored and shipped in water in a Dutch flower bucket. Boxes and pallets of the cut flowers and cut greens are shipped to a far away market, but the brokers and shippers must maintain the correct storage conditions for the flowers. Cut flowers are conditioned upon arrival at a wholesale florist or retail florist. The flowers are removed from the shipment boxes and placed into low pH water in clean buckets to begin hydration. In the same or later step, the stems are cut under water to remove air bubbles from the xylem vessels in the stems and placed into water with a low pH for hydration and bacteria prevention, a biocide (disinfectant) to reduce bacteria and fungi in the water and a type of sugar (often sucrose) to supply energy to the developing cut flowers. The flowers may complete conditioning at room temperature or in a refrigerator depending on the cultivar. Cut flowers and cut greens are kept refrigerated during delivery to the florist or floral designer and to the consumer. Design activities occur at room temperature but floral arrangements are kept refrigerated and hydrated with the floral food solution. Flower vase life can be affected by pre-harvest factors, such as growing conditions, genetic makeup, or post-harvest factors, such as mechanical damage, bacteria or fungi. Vase life also varies across plant species and cultivars.
Tazarotene, sold under the brand name Tazorac, among others, is a third-generation prescription topical retinoid. It is primarily used for the treatment of plaque psoriasis and acne. Tazarotene is also used as a therapeutic for photoaged and photodamaged skin. It is a member of the acetylenic class of retinoids. Tazarotene was approved for medical use in 1997 and is available as a generic medication.
=== Chemical precursor === Castor oil can react with other materials to produce other chemical compounds that have numerous applications. Transesterification followed by steam cracking gives undecylenic acid, a precursor to specialized polymer nylon 11, and heptanal, a component in fragrances. Breakdown of castor oil in strong base gives 2-octanol, both a fragrance component and a specialized solvent, and the dicarboxylic acid sebacic acid. Hydrogenation of castor oil saturates the alkenes, giving a waxy lubricant. Castor oil may be epoxidized by reacting the OH groups with epichlorohydrin to make the triglycidyl ether of castor oil which is useful in epoxy technology. This is available commercially as Heloxy 505. The production of lithium grease consumes a significant amount of castor oil. Hydrogenation of castor oil yields 12-hydroxystearic acid, a precursor to lithium 12-hydroxystearate, a thickener in lubricating greases. Since it has a relatively high dielectric constant (4.7), highly refined and dried castor oil is sometimes used as a dielectric fluid within high-performance, high-voltage capacitors.
Sources: en.wikipedia.org
No. Cardarine is a PPARδ agonist, while selective androgen receptor modulators act on androgen receptors. The two classes differ in receptor target and downstream effects.
Preclinical rodent studies reported cancers, including liver and bladder tumors, at tested doses. The human relevance of those findings is uncertain, but development was discontinued. No approved human product resulted.
No. It remains an investigational compound without approved therapeutic labeling. Sports regulators prohibit its use, and health agencies have warned against consuming it.
Cardarine targets PPARδ, a nuclear receptor involved in lipid and energy metabolism. It does not bind the androgen receptor in the way SARMs do.