The short version of anti-doping analysis fits in a sentence. The long version — which is the one that helps — is below.
Reviewed 2025-12-21. Anything still debated is marked as such rather than presented as settled.
In the scientific literature, AOD-9604 appears in reviews of growth hormone fragments and in discussions of peptide-based metabolic research. Some sources distinguish it from growth hormone itself, while others group it with compounds marketed for weight management. The evidence base is small compared with approved obesity medications. Questions about long-term efficacy and clinical relevance remain open, and independent replication of key findings is limited. Most published reports are early-stage and exploratory.
AOD-9604 is a synthetic peptide modeled on the C-terminal region of human growth hormone. It is often described as hGH fragment 176-191. Research interest arose because it was designed to isolate possible effects on fat metabolism from other actions of growth hormone. It is not a full growth hormone molecule. Its development history includes early laboratory and animal studies followed by human trials. The peptide has been examined in laboratory, animal, and limited human studies.
The compound has been studied as a potential treatment for obesity and related metabolic conditions. Published trials have examined changes in body weight, fat mass, and safety markers over limited durations. Results have been mixed or modest, and no large-scale outcome trials are established. Regulatory agencies in several countries have not approved it as a therapeutic drug. Some commercial products have been marketed outside regulated pharmaceutical channels, which raises questions about quality and claims.
Quality varies among research-grade suppliers, so certificates of analysis and independent testing are important for verification. A typical certificate reports purity by HPLC, identity by mass spectrometry, appearance, and sometimes residual solvents or water content. AOD9604 is often sold as a research chemical not intended for human consumption, and labels can be inaccurate. Common misconceptions include treating the peptide as a form of growth hormone, assuming supplement status, or expecting approved-drug quality from unregulated products.
AOD9604 is commonly supplied as a white to off-white lyophilized powder. The powder is typically stored at -20 °C or below, protected from light and moisture, because peptides can degrade through oxidation, hydrolysis, or aggregation. If it is reconstituted for laboratory use, an appropriate aqueous buffer or solvent is chosen, and the solution is kept cold and handled to avoid repeated freeze-thaw cycles. These practices support stability but do not imply suitability for human use.
Identity and purity are usually assessed with reversed-phase high-performance liquid chromatography and mass spectrometry. Reversed-phase HPLC separates the peptide from related impurities and can estimate purity by ultraviolet absorbance, while mass spectrometry confirms the molecular mass and detects modifications. Peptide mapping, amino acid analysis, and disulfide mapping may be used when the sequence or disulfide arrangement must be verified. Because AOD9604 contains cysteine residues, oxidation and disulfide isomers are possible quality concerns in synthetic batches.
| Property | Value | Notes |
|---|---|---|
| Common synonym | hGH fragment 176-191 | Refers to the C-terminal segment |
| Appearance | White to off-white powder | Typically supplied lyophilized |
| Solubility | Soluble in water and aqueous buffers | Confirm with technical data |
| Typical storage temperature | -20 °C for dry powder | Protect from moisture and light |
| Common analytical method | RP-HPLC with UV detection | Often paired with mass spectrometry |
In laboratory settings, AOD-9604 is commonly supplied as a lyophilized powder and stored cold to limit degradation. Reconstituted solutions are typically kept refrigerated or frozen, depending on the buffer and concentration, and protected from repeated freeze-thaw cycles. Stability can be influenced by pH, temperature, and the presence of proteases. Purity is usually assessed by high-performance liquid chromatography and mass spectrometry. These practices support reproducibility, but they do not imply safety or efficacy for any human use.
Regulatory status: AOD-9604 is not approved as a therapeutic drug in the United States, European Union, or other major markets. It is listed by the World Anti-Doping Agency as a prohibited substance in sport, specifically under growth hormone fragments. Many jurisdictions restrict its sale for human consumption. Products marketed online may not meet pharmaceutical quality standards. The legal status varies by country and often depends on whether the material is presented as a research chemical, supplement, or drug.
Detection and characterization of AOD-9604 in research and anti-doping settings typically rely on mass spectrometry coupled with liquid chromatography. These methods can identify the peptide by its mass and fragmentation pattern. Immunoassays may also be used in some screening contexts, but they can cross-react with related peptides. Because the molecule is small and may be present at low concentrations, sample preparation and method validation are important. Confirmatory analysis usually requires comparison with a certified reference standard.
Detection of AOD-9604 in biological samples relies on analytical techniques capable of distinguishing a small synthetic peptide from related endogenous sequences. Liquid chromatography coupled with tandem mass spectrometry is commonly used for confirmatory analysis. Sample preparation may involve immunoaffinity enrichment or solid-phase extraction to concentrate the peptide. Because the molecule is small and may be present at low concentrations, assay sensitivity and specificity are ongoing analytical challenges. Laboratories also validate methods against reference materials when available.
Regulatory interest in AOD-9604 increased after high-profile anti-doping cases involving peptide products. In some cases, the substance was supplied under alternative names or in compounded preparations, complicating traceability. Sports tribunals and anti-doping panels have discussed whether the peptide was explicitly banned at the time of use, leading to clarifications by the World Anti-Doping Agency. For consumers and researchers, the legal status can vary by jurisdiction, and products marketed as research chemicals may lack independent quality verification.
AOD-9604 is listed as a prohibited substance in sport by the World Anti-Doping Agency. It falls under the peptide hormones, growth factors, related substances, and mimetics class on the prohibited list. Anti-doping organizations treat its presence in an athlete's sample as an adverse finding unless a therapeutic use exemption applies. The prohibition reflects concerns about performance enhancement in competitive settings and the difficulty of distinguishing exogenous peptide use from endogenous hormone fragments.
AOD-9604 is prohibited in sport by the World Anti-Doping Agency under the peptide hormone class. Its presence in a sample can be detected through mass spectrometry-based methods, although the exact assay depends on the laboratory. In research settings, material is often supplied as a lyophilized powder for reconstitution. Buyers and researchers should note that products labeled AOD-9604 may vary in purity and actual peptide content. Analytical certificates and independent testing are common ways to verify identity, but no global harmonized standard exists for all commercial lots.
AOD-9604 is a synthetic peptide whose sequence is modeled on the C-terminal region of human growth hormone. Published descriptions commonly place it as a modified fragment corresponding to hGH amino acids 176–191, with a tyrosine residue added or retained at the N-terminus to support detection and handling. It is not intact growth hormone and lacks the full receptor-binding architecture of the parent protein. The molecule was developed as a research candidate for metabolic studies rather than as a replacement for growth hormone therapy. Its identity is defined by its amino acid sequence rather than by any single commercial preparation.
Research interest in AOD-9604 often focuses on whether it can influence lipid metabolism without the growth-promoting or glucose-related effects of full-length hGH. This question remains unresolved, and findings depend on model, dose, and measurement method. Some reviews treat the peptide as a historical obesity candidate rather than an active therapeutic. Others cite it in discussions of peptide fragments, metabolic signaling, and performance-enhancing substances. Clear conclusions are limited by the small number of rigorous, independent human studies.
AOD-9604 has been investigated primarily as a potential treatment for obesity and related metabolic conditions. Early laboratory work examined its effects on fat cells, and later studies moved into animal models and human clinical trials. Some trials reportedly reached Phase II, but the program did not lead to an approved medicine. Published summaries often note that weight-loss results were modest or inconsistent. The full trial data are not all publicly available in detail.
=== Liquefaction === The liquefaction is the process when the gel formed by proteins from the seminal vesicles and the prostate is broken up and the semen becomes more liquid. It normally takes between 30 minutes and 1 hour for the sample to change from a thick gel into a liquid. In the NICE guidelines, a liquefaction time within 60 minutes is regarded as within normal ranges.
. It also has historical significance; the Q/m ratio of the electron was successfully calculated by J. J. Thomson in 1897—and more successfully by Dunnington, which involves the angular momentum and deflection due to a perpendicular magnetic field. Thomson's measurement convinced him that cathode rays were particles, which were later identified as electrons, and he is generally credited with their discovery. The CODATA recommended value is −e/me = −1.75882000838(55)×1011 C⋅kg−1. CODATA refers to this as the electron charge-to-mass quotient, but ratio is still commonly used. There are two other common ways of measuring the charge-to-mass ratio of an electron, apart from Thomson and Dunnington's methods.
==== Section B: Thermodynamics, Equipment and Systems ==== Section B on Thermodynamics, Equipment and Systems of the IIR focuses on the technological and scientific fundamentals of classical refrigeration, excluding cryogenic temperatures. The fundamentals are represented by its Commission B1 Thermodynamics and Transfer Processes, whereas Commission B2 Refrigerating Equipment covers all kinds of refrigeration technology. Section B is a key player in most of the IIR international conferences; except for the International Conference of Refrigeration (ICR), organised every four years for all 10 IIR Commissions, where approximately 50% of all presentations are related to Section B topics. Independently, and together with other Sections, Section B hosts a multitude of conferences such as the Gustav Lorentzen Conference on Natural Working Fluids and the Ohrid Conference on Ammonia and CO2 Refrigeration Technologies; or conferences on Thermodynamic Properties and Transfer Processes of Refrigerants, on Magnetic Refrigeration at Room Temperature, on Compressors and Coolants, and on Phase Change Materials and Slurries for Refrigeration and Air Conditioning. Several Working Groups, where emerging topics in refrigeration are discussed by IIR experts to publish results in handbooks or other forms of publications, are organised within the scope of Section B.
The main body of TF Hammer reached the startline at 0615 and waited for the preplanned aerial bombardment of previously identified terrorist positions that would last 55 minutes, however only 6 bombs were dropped because the second B-1B on its bombing run had a bomb stuck in the launch bay, while the third bomber waited for the B-1B to get permission to jettison the bomb and go around again, both planes and two F-15Es received orders to cease the bombardment, an order that may have been intended for Grim 31. Already demoralized from the lack of air support TF Hammer were raked with mortar fire from al-Qaeda fighters that had been registered in advance of the operation, causing the Afghan militia to suffer over 40 casualties. TF Hammer attack stalled before it even entered the valley, due to heavy small arms fire and mortar fire, they also lacked close air support, which had been assigned to TF Anvil on the other side of the ridge; CIA intelligence also revealed that the al-Qaeda terrorists were in the peaks of the mountains rather than in the villages TF Hammer was supposed to assault. These setbacks caused the AMF to scatter and refuse to advance any further, however TF Hammers did distract the enemy forces from TF Rakkasan deployment. TF Rakkasan and the Green Berets of TF Hammer fought all day with the AFO teams calling in continuous airstrikes on al-Qaeda positions. The valley was eventually cleared by March 12.
890A Ammunition Warrant Officer 913A Armament Systems Maintenance Warrant Officer 914A Allied Trades Warrant Officer 915A Automotive Maintenance Warrant Officer 915E Senior Automotive Maintenance Warrant Officer 919A Engineer Equipment Maintenance Warrant Officer 948B Electronic Systems Maintenance Warrant Officer 948D Electronic Missile Systems Maintenance Warrant Officer 948E Senior Electronics Maintenance Warrant Officer Enlisted
Sources: en.wikipedia.org
It is considered particularly toxic in overdose, with a high rate of renal failure (which usually takes 2–5 days), rhabdomyolysis, coma, seizures and even status epilepticus. Some believe it to be less cardiotoxic than other TCAs in overdose, although reports of cardiotoxic overdoses have been made.
McGregor starred in Moulin Rouge! (2001) as the young poet Christian, who falls in love with the terminally-ill courtesan Satine (Nicole Kidman), for which his performance was widely praised and garnered McGregor his first Golden Globe Award for Best Actor – Motion Picture Musical or Comedy nomination. He also appeared in Ridley Scott's war film Black Hawk Down (2001) as John Grimes. He starred alongside Renée Zellweger in Down with Love (2003). He also portrayed the younger Edward Bloom in Tim Burton's critically acclaimed film Big Fish (2003) alongside Albert Finney, Jessica Lange, Alison Lohman and Billy Crudup. In the same period, he also received critical acclaim for his portrayal of an amoral drifter mixed up with murder in the drama Young Adam (also 2003), which co-starred Tilda Swinton. McGregor voiced the robot Rodney Copperbottom in Robots and the lead character in Gary Chapman's Valiant (both 2005). Also around this time, McGregor played two roles – one a clone of the other – opposite Scarlett Johansson in Michael Bay's science fiction action thriller film The Island (2005). He also headlined Marc Forster's 2005 film Stay, a psychological thriller co-starring Naomi Watts and Ryan Gosling.
== History == Bemethyl was developed in the 1970s by the Department of Pharmacology of the St. Petersburg State Military Medical Academy under the direction of Professor Vasily Mikhailovich Vinogradov. Professor Vinogradov and his research team earned the USSR State Prize for this accomplishment. First used with Soviet cosmonauts, bemethyl was also used to prepare athletes of the USSR national team for the Moscow 1980 Olympic Games. In the 1990s, bemethyl saw use as a basic medicinal agent in many of the corps of the Soviet and Russian armies, including Soviet troops in Afghanistan, as bemethyl facilitated increased endurance for soldiers over long marches, as well as an enhanced work capacity and stability to hypoxia and high temperatures. Bemethyl was also used to enhance the physical and mental capacities of workers deployed in the wake of the 1986 Chernobyl disaster.
However, many other acid-fast organisms—such as intestinal coccidia and parasitic helminths of the genus Schistosoma—lack mycolic acids yet display comparable acid-fastness, suggesting that other cell-wall structures, such as cyst walls or egg shells, may provide similar resistance to decolorization. Further histopathologic evidence supports this broader mechanism: in tissue sections, staining intensity is markedly reduced when bacterial cell walls are damaged or when xylene-based deparaffinization is used during specimen processing. A xylene-free, heat-based method has been shown to preserve cell-wall integrity and substantially improve detection of mycobacteria and other acid-fast organisms, particularly when using fluorescent Auramine O staining. Acid-fast organisms are difficult to characterize using standard microbiological techniques, though they can be stained using concentrated dyes, particularly when the staining process is combined with heat. Some, such as Mycobacteria, can be stained with the Gram stain, but they do not take the crystal violet well and thus appear light purple, which can still potentially result in an incorrect gram-negative identification. The most common staining technique used to identify acid-fast bacteria is the Ziehl–Neelsen stain, in which acid-fast species appear bright red against a blue background. Another method is the Kinyoun method, in which bacteria appear red against a green background.
Overall, the adverse events attributed to JDtic were similar to those reported with placebo, except for cardiac events, such as bradycardia and ventricular tachycardia (VT), which were seen only in the JDTic group. The episodes of VT occurred in two subjects, were not sustained (NSVT), and were asymptomatic. Preclinical experiments in monkeys showed that JDTic administration resulted in a short run of NSVT. Other safety measurements, including clinical laboratory studies, 12-lead ECG, psychomotor function, and measures of mood, did not differ between group during admission or at follow-up. Overall, these results indicate that JDTic administration is associated with short lived, but detectable ventricular tachycardia in 2/6 subjects receiving the active dose. The episodes of NSVT were asymptomatic, were not seen in the majority of subjects, and sporadic. NSVT is known to occur in the general population, although at a low rate. Nonetheless, the likelihood that these cardiac events were induced by JDTic is high, given that both events occurred as a similar time following dosing, the lower incidence of sporadic VT expected in healthy subjects, and the presence of kappa receptors and dynorphin in cardiac tissue. Given the potentially serious clinical consequences of VT and concerns that individuals with cardiovascular disease may have heightened vulnerability, the decision was made by the safety board of this study that further human trials of this drug would not be ethically justified.
Sources: en.wikipedia.org
=== Pharmacodynamics === MDDMA shows reduced potency as a monoamine releasing agent and reuptake inhibitor compared to MDA and MDMA. It was 11-fold less potent than MDMA and 4-fold less potent than MDA as a serotonin releasing agent (SRA). Moreover, whereas MDA and MDMA are serotonin–norepinephrine–dopamine releasing agents (SNDRAs), MDDMA is a selective SRA along with ≥10-fold weaker dopamine and norepinephrine reuptake inhibition. The related drug MDTMA is completely inactive as a monoamine releasing agent, though it does still show very weak monoamine reuptake inhibition. Another related drug, dimethylamphetamine, is said to be a prodrug of methamphetamine and amphetamine, although it is much less potent and weaker than these drugs. (R)-MDDMA has been found be inactive as a serotonin releasing agent but to act as a partial agonist of the serotonin 5-HT2A and 5-HT2C receptors. Conversely, unlike MDMA, it was inactive as a serotonin 5-HT2B receptor agonist. In animal studies, (R)-MDDMA did not produce the head-twitch response, affect body temperature, or induce hyperlocomotion, and showed diminished or no prosocial effects. On the other hand, it produced psychoplastogenic effects mediated by serotonin 5-HT2 receptor activation as well as promoted fear extinction and induced antidepressant-like effects. It was concluded that (R)-MDDMA is a non-hallucinogenic psychoplastogen with improved safety compared to MDMA and (R)-MDMA.
October 11 The 2021 Boston Marathon takes place after it was rescheduled from April. 2021 Las Vegas Raiders season: Las Vegas Raiders head coach Jon Gruden resigns after several e-mails between him and Bruce Allen containing racist, sexist, homophobic, and trans-phobic remarks are leaked by The New York Times. Amazon CEO Andy Jassy announces that the company will drop its return-to-office plan and allow its corporate employees to continue working remotely if they choose. October 13 – Star Trek actor William Shatner becomes the oldest person to go into space, at age 90, on board the Blue Origin NS-18, launched from Texas. October 18 2021–22 NHL season: San Jose Sharks forward Evander Kane is suspended for 21 games for submitting a forged COVID-19 vaccination card. Murder of Ahmaud Arbery: The state trial of Travis McMichael, his father Gregory McMichael, and William "Roddie" Bryan begins in Georgia. October 19 The January 6 select committee investigating the riot on the U.S. Capitol votes to hold former Donald Trump White House Chief Strategist Steve Bannon in criminal contempt for refusing to comply with a subpoena issued by the select committee. The United States Department of Justice announces that U.S. Rep. Jeff Fortenberry has been indicted for making false statements to federal authorities. The FBI announces that it has raided the house of Russian oligarch and Vladimir Putin ally Oleg Deripaska, who was sanctioned by the U.S. Treasury Department in 2018.
Liquid chromatography (LC) is a separation technique in which the mobile phase is a liquid. It can be carried out either in a column or a plane. Present day liquid chromatography that generally utilizes very small packing particles and a relatively high pressure is referred to as high-performance liquid chromatography. In HPLC the sample is forced by a liquid at high pressure (the mobile phase) through a column that is packed with a stationary phase composed of irregularly or spherically shaped particles, a porous monolithic layer, or a porous membrane. Monoliths are "sponge-like chromatographic media" and are made up of an unending block of organic or inorganic parts. HPLC is historically divided into two different sub-classes based on the polarity of the mobile and stationary phases. Methods in which the stationary phase is more polar than the mobile phase (e.g., toluene as the mobile phase, silica as the stationary phase) are termed normal phase liquid chromatography (NPLC) and the opposite (e.g., water-methanol mixture as the mobile phase and C18 (octadecylsilyl) as the stationary phase) is termed reversed phase liquid chromatography (RPLC). A specialization of liquid chromatography is nano-liquid chromatography (nano-LC).
A capsule is a gelatinous envelope enclosing the active substance. Capsules can be designed to remain intact for some hours after ingestion in order to delay absorption. They may also contain a mixture of slow and fast release particles to produce rapid and sustained absorption in the same dose.
Sources: en.wikipedia.org
It is a synthetic peptide fragment derived from the C-terminal region of human growth hormone, commonly referred to as hGH fragment 176-191. It has been investigated for effects on fat metabolism, but it is not an approved medication in most jurisdictions.
No. It is a shortened peptide fragment, not the full hormone. It does not contain the entire hGH sequence and is studied for different proposed effects.
Regulatory approvals for weight loss are not established in major jurisdictions. Some human trials reported modest changes, but the evidence is limited, and it remains a research compound.
Lyophilized AOD9604 is generally kept at -20 °C or colder, desiccated, and protected from light. Reconstituted solutions are usually refrigerated and handled to minimize repeated freeze-thaw cycles. These are general laboratory handling practices, not instructions for human use.