PPARδ agonist comes up often in conversation and rarely with the context attached. Here we lay out the basics in order, then work through the practical considerations.
Updated 2025-12-18. Numbers and descriptions here follow the published literature rather than marketing material.
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.
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.
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.
| 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. |
=== Remembrance === The Greater Poland uprising was not remembered as well as the January Uprising or the Warsaw Uprising in Polish history and popular culture, despite it being the only one of the three uprisings cited that succeeded. This was due to three factors, the first due to it being an uprising that did not apply to Polish tradition. There were no major icons of the uprising, no heroes, no real martyrs. The uprising could not be passed down by generations as a heroic fight to the death, since it was just a military operation that pushed the Germans out of a section of the Prussian Partition. Secondly, the fighters of the uprising were not engaged for the whole uprising and many of them did not find themselves part of any actual fighting group. Many part of the original uprisings simply took up arms, liberated their towns and by sundown they had eaten dinner and went back to civilian life. Thirdly, there were very few casualties. On 23 December 2021, Polish President Andrzej Duda declared 27 December as a National Holiday, commemorating this uprising.
=== Alternative remedies === Examples include: Ackee fruit, Bajiaolian, Camphor, Copaltra, Cycasin, Garcinia, Kava leaves, pyrrolizidine alkaloids, Horse chestnut leaves, Valerian, Comfrey. Chinese herbal remedies: Jin Bu Huan, Ephedra, Shou Wu Pian, Bai Xian Pi.
The 1970s saw a shift in audience tastes to high concept films, with five such films made by either George Lucas or Steven Spielberg topping the chart during the 1980s. The 21st century has seen an increasing dependence on franchises and adaptations, with the box-office dominance of films based on pre-existing intellectual property at record levels. Steven Spielberg (1975, 1981, 1982, 1989 and 1993) and Cecil B. DeMille (1932, 1947, 1949, 1952 and 1956) tie as the most represented directors on the chart with five films apiece occupying the annual top spot. William Wyler (1942, 1946, 1959 and 1968) and James Cameron (1991, 1997, 2009 and 2022) are each represented by four films, whilst D. W. Griffith (1915, 1916 and 1920), George Roy Hill (1966, 1969 and 1973) and the Russo brothers (2016, 2018 and 2019) all feature heavily with three films apiece. George Lucas directed three chart-toppers in 1977, 1999 and 2005, but also served in a strong creative capacity as a producer and writer in 1980, 1981, 1983, and 1989 as well. The following directors have also all directed two films on the chart: Frank Lloyd, King Vidor, Frank Capra, Michael Curtiz, Leo McCarey, Alfred Hitchcock, David Lean, Stanley Kubrick, Guy Hamilton, Mike Nichols, William Friedkin, Peter Jackson, Gore Verbinski, and Michael Bay; Mervyn LeRoy, Ken Annakin and Robert Wise are each represented by one solo credit and one shared credit, and John Ford co-directed two films.
== Properties and applications == Cyclic peptides tend to be extremely resistant to the process of digestion, making them of interest to scientists working on novel oral medications. Examples include:
Dark chocolate, 70–85% cocoa solids: 80 mg Dark chocolate, 60–69% cocoa solids: 86 mg Dark chocolate, 45–59% cocoa solids: 43 mg Milk chocolate: 20 mg The stimulant effect of chocolate may be due to a combination of theobromine and theophylline, as well as caffeine.
Sources: en.wikipedia.org
==== In adults ==== In 2022, the UK National Institute for Health and Care Excellence (NICE) recommended that antidepressants be offered as a first-line treatment for moderate to severe depression, but for mild depression, non-drug interventions are preferred unless the patient chooses medication. They recommended that antidepressants should not be routinely offered for mild depression and should generally be used only if non-drug treatments fail or the patient prefers medication. In a 2018 review, all 21 studied antidepressants were more effective than placebo for major depressive disorder. The commonly used definition of antidepressant "response" as a 50% symptom reduction dichotomizes continuous data, which methodologists note can inflate effect sizes, exaggerate drug–placebo differences, and may not reliably indicate clinical significance. A large FDA trial analysis found that SSRIs and other antidepressants produced only modest average benefits over placebo, with about 15% of patients experiencing a substantial drug-specific response. SSRIs and other antidepressants may have average treatment effects that fall below the minimal important difference on common depression outcome measures, leaving their clinical significance in acute moderate-to-severe depression uncertain. There is no consistent evidence that depression is caused by lowered serotonin activity or concentrations, with some data suggesting that long-term antidepressant use may reduce serotonin levels.
The Senedd Commissioner for Standards finds that Senedd member Siân Gwenllian breached the Senedd's code of conduct after sharing a confidential letter, but recommends no further action is taken against her. 25 April – The electoral officer of North Kesteven District Council rules that Andrea Jenkyns is entitled to stand in the 2025 Lincolnshire mayoral election after questions were raised about her eligibility because she is not on the Lincolnshire electoral register, a prerequisite for standing. 28 April – Martin Dowey temporarily stands down as leader of South Ayrshire Council over a secret recording in which he appears to suggest he can help award contracts to "pals". 29 April – Scottish Greens MSP Maggie Chapman survives an attempt to remove her from the Scottish Parliament's equalities committee following her criticism of the judiciary over the Supreme Court's ruling on biological sex. 30 April – The Parliamentary Commissioner on Standards launches an investigation into Chancellor Rachel Reeves' failure to declare receiving theatre tickets within the required time that MPs must declare gifts.
In February 2018, Teva Pharmaceutical Industries Ltd has completed the sale of a portfolio of products within its global women's health business across contraception, fertility, menopause and osteoporosis for $703 million in cash to CVC Capital Partners Fund VI. Teva also agreed to sell its Plan B One-Step and its brands of emergency contraception to Foundation Consumer Healthcare for $675 million in cash. Combined annual net sales of these products were $140 million last year. It also sold Paragard to a unit of Cooper Companies Inc (COO.N) for $1.1 billion.
=== Organochlorides === The first and best known organochloride, DDT, was first synthesised by Othmar Zeidler. Swiss scientist Paul Müller found DDTs insecticide properties. For this discovery, he was awarded the 1948 Nobel Prize for Physiology or Medicine. DDT was introduced in 1944. It functions by opening sodium channels in the insect's nerve cells. The contemporaneous rise of the chemical industry facilitated large-scale production of chlorinated hydrocarbons including various cyclodiene and hexachlorocyclohexane compounds. Although commonly used in the past, many older chemicals have been removed from the market due to their health and environmental effects (e.g. DDT, chlordane, and toxaphene).
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.
Cardarine is a common name for GW501516, a synthetic PPARδ agonist developed for research. It has not been approved as a medication in any country. It is classified as an unapproved drug and a prohibited substance in sport.