AC-262365 AC-262 365 or ( 3-endo-Hydroxy-8-azabicyclo(3.2.1)oct-8-yl)naphthalene-1-carbonitrile is a member of the Selective Androgen Receptor Modulator family. AC-262365 is a potent and selective AR ligand that also acts as a partial agonist to the natural androgen testosterone [R]. It is originally made as an androgen replacement therapy for a range of clinical conditions [R]. AC-262365 has significant AR binding but little androgenic activity, as seen by its low prostate and seminal vesicle weight effects [R]. AC-262536, unlike other SARMs, is susceptible to degradation in urine [R]. How does AC-262 365 work? Like other SARMs, AC-262365 selectively binds to Androgen Receptors (AR), a type of protein found in various tissues throughout the body [R][R][R]. This SARM-AR complex modulates effects unique to tissue. These impacts include muscular growth, bone health, and potential therapeutic benefits for diseases including osteoporosis and muscle loss. The target receptor AR’s presence could be the reason for this stack’s numerous health advantages [R][R][R]. By modulating gene expression, SARMs may promote anabolic effects. They do so while minimizing androgenic side effects [R]. Properties CAS number 870888-46-3 Molar Mass 278.3 g/mol Chemical Formula C18H18N2O IUPAC Name 4-[(1R,5S)-3-hydroxy-8-azabicyclo[3.2.1]octan-8-yl]naphthalene-1-carbonitrile Table source: [R] Potential Benefits of AC-262 365 Potential Reduced Side Effects Compared to common anabolic steroids, AC-262365 may have fewer androgenic side effects, such as acne, hair loss, and prostate enlargement [R]. Muscle Growth As a SARM, AC-262365 may promote muscle growth and strength gains. This is done by selectively binding to androgen receptors in muscle tissue [R] [R] [R]. Despite few research studies, this chemical’s effect on muscle growth needs further study. Reduction of Body Fat AC-262365 may reduce body fat by boosting muscular mass and metabolism [R]. Alzheimer’s disease It is possible that this drug description could be another way to use hormones to treat AD, but little research has been done on it yet. [R]. Side Effects Description and Safety Considerations It is crucial to remember that AC-262365 is a research chemical and has not been authorized for usage in humans. Investigations are ongoing to determine its long-term safety and effectiveness. As such, it is essential to utilize it carefully and under a healthcare provider’s supervision. Some of the potential side effects of AC-262365 are: Hormonal imbalances Liver toxicity Cardiovascular issues Why Choose Bind Bio to Buy AC-262 365 Online AC-262 365 BindBio is your best choice for buying this product stock. Why? We have carefully selected reliable suppliers for our research chemicals due to our stringent standards. For the benefit of our clients, we pulled off these by giving equal attention to pricing and quality. We choose suppliers who have a wide variety of compounds, including peptides, sarms, nootropics, and more. We provide not just one type but all kinds of forms ( to suit your research needs. Select options from quality products of injectables, tablet, capsules, liquid, and more to aid your potential research on bone mineral density and weight loss Meeting and passing stringent quality control standards is crucial to Bind Bio. We have selected PureRawz and BehemothLabz as our research chemical suppliers. These top-tier vendors were chosen for their quality, purity, and seamless process. We also considered its quality service when placing an order, fast shipping, receiving payment, and after-sale. Disclaimer Bindbio provides general product page information only. We strive for precision and dependability, but we cannot guarantee the information’s completeness, reliability, appropriateness, or availability. You assume the risk of using such information. The content on Bindbio should be different from nutrition, supplements, medical advice, diagnosis, or treatment. Consult your doctor or other certified health expert with any medical questions. Professional medical advice should never be delayed based on Bindbio’s information. Bindbio may include hyperlinks to external websites that are not governed or managed by our organization. We do not exert control over the nature, content, or availability of those sites. The presence of links, in clinical trials, does not inherently suggest a recommendation or endorsement articulated within those links. Under no circumstances shall Bindbio be held responsible for any loss or damage, including indirect or consequential losses, resulting from data loss or profits associated with the utilization of this website. This disclaimer may be modified or amended at any time without prior notice. By persisting in the use of Bindbio, you acknowledge and consent to adhere to the stipulations outlined in this disclaimer. Should you find these terms unacceptable, we kindly ask that you do not utilize our website. FAQ Are AC-262 365 products banned? The World Anti-Doping Agency’s (WADA) Prohibited List does not specifically name the selective androgen receptor modulator (SARM), AC-262536. However, all SARMs are prohibited by WADA under Section S1.2 of the Prohibited List, which deals with “Other Anabolic Agents.” Because AC-262536 is classified as SARM, it is essentially restricted in WADA-regulated sports. What Makes AC-262536 Different from Other SARMs in Research? Because of its partial agonist action at androgen receptors, which has a lower anabolic effect, AC-262536 differs from other SARMs. It offers possible advantages for bone health and muscular growth with a lower risk of androgenic effects, in contrast to stronger SARMs that can result in adverse effects like acne or hair loss. It may also have less of an effect on non-target tissues due to its quicker breakdown in the body, which makes it a gentler option for studies on diseases like osteoporosis or muscular atrophy. What is the function of AC 262536? AC-262365 is a selective androgen receptor modulator tailored for androgen receptor binding. This may also be beneficial in the treatment of conditions such as muscle atrophy, in addition to promoting muscular growth. As a result of its mild androgenic action, it produces fewer adverse effects than anabolic steroids. It demonstrates potential in the field of medicine; however, additional research is required.
Enclomiphene Citrate How Enclomiphene Citrate Works? Enclomiphene Citrate is a selective estrogen receptor modulator (SERM). It primarily stimulates natural testosterone production by blocking estrogen receptors in the brain. By binding to estrogen receptors in the hypothalamus, Enclomiphene prevents estrogen’s negative feedback loop. This leads to increased release of luteinizing hormone (LH) and follicle-stimulating hormone (FSH). The stated hormones signal the testes to produce more testosterone. Traditional testosterone replacement therapies that introduce external testosterone. On the other hand, Enclomiphene Citrate works by encouraging the body to increase its own testosterone levels. This feature helps avoid many of the drawbacks associated with synthetic hormones. More About the Enclomiphene Citrate Mechanism of action: Enclomiphene citrate blocks certain receptors in the brain. This results in increased LH and FSH production. In turn, it contributes to higher testosterone levels. Non-steroidal compound: Enclomiphene citrate is non-steroidal, giving a gentler approach. It encourages the body to stimulate testosterone naturally. Sperm-friendly: Other treatments for low testosterone are known to suppress sperm cell generation. This is not the case with enclomiphene citrate. The compound does not interfere with sperm production. This feature makes it a viable option for those concerned with fertility. Isomer of Clomiphene: Enclomiphene is an active isomer of Clomiphene. Its effects are more geared toward increasing testosterone. Properties Enclomiphene Citrate CAS Number 7599-79-3 Molar Mass 598.089 Chemical Formula C32H36ClNO8 IUPAC Name (2-{4-[(E)-2-chloro-1,2-diphenylethenyl]phenoxy}ethyl)diethylamine; 2-hydroxypropane-1,2,3-tricarboxylic acid Potential Benefits of Enclomiphene Citrate Increases natural testosterone levels Enclomiphene citrate helps restore testosterone levels to healthier levels. The SERM stimulates the body’s own production. This effect will improve energy, libido, and muscle development. Fertility support Enclomiphene citrate can also be beneficial for patients interested in preserving fertility. This is because the compound does not typically suppress sperm production. Balanced hormonal support Being a non-steroidal compound adds another layer of benefit for enclomiphene citrate. This is because it does not introduce external hormones. Thus, enclomiphene citrate offers a pathway to hormonal balance. This approach reduces the risk of steroid-related side effects. Improved mood and cognitive function One of the effects of enclomiphene citrate is supporting testosterone levels. Now one study states that testosterone plays a key role in improving the psychological well-being of men. This covers mood, behavior, self-perception, and perceived quality of life. [R] By increasing testosterone levels, enclomiphene citrate indirectly enhances a patient’s psychological status. Alternative to testosterone replacement therapy Many patients are seeking to avoid direct hormone replacement. They opt for a natural way to increase testosterone levels. This is where enclomiphene citrate comes in. It is a viable alternative with fewer side effects. The best part is it helps the body to produce testosterone naturally. Side Effects and Safety Considerations Enclomiphene citrate is generally well-tolerated. However, just like any other treatment, it may lead to specific side effects. These could be any of the following: Headaches Nausea Mood changes Hot flashes More serious side effects may occur but these are rare. Nevertheless, patients should consult a medical professional for any adverse effects. Why Choose BindBio to Buy Enclomiphene Citrate Online Bindbio is committed to providing high-quality and reliable Amino Tadalafil. Here’s why we stand out as your trusted resource: Stringent Quality Standards At BindBio, we adhere to rigorous quality control standards for every product we offer. We partner with only top-tier products such as PureRawz, BehemothLabz, and RCD.bio. Every batch of Amino Tadalafil is carefully vetted to ensure it meets our strict standards. Competitive Pricing without Sacrificing Quality BindBio provides exceptional value by balancing premium quality and affordability. Our competitive pricing model ensures you receive excellent value for your investment. Broad Selection of Research Compounds Beyond Amino Tadalafil, BindBio offers a wide range of research chemicals. We also peptides, SARMs, and nootropics. Our extensive selection allows you to conveniently source multiple compounds for your research studies. Reliable, Prompt Service and Secure Transactions Customer satisfaction is one of our top priorities. Our website is user-friendly. We also support secure payment options for a safe purchasing experience. Disclaimer Bindbio provides general product information only. We strive for precision and dependability. However, we cannot guarantee the information’s completeness, reliability, appropriateness, or availability for any purpose. Readers assume the risk of using such information. The content on Bindbio should not replace nutrition, supplements, medical advice, diagnosis, or treatment. It is recommended to consult your doctor or other medical professionals with any medical questions. Readers should not delay medical advice based on Bindbio’s information. FAQs What is the difference between enclomiphene citrate and clomiphene citrate? Clomiphene Citrate contains two isomers: zuclomiphene and enclomiphene. Enclomiphene is the active isomer that increases testosterone levels. By using enclomiphene alone, users avoid the effects of zuclomiphene. How long does it take to see results with Enclomiphene Citrate? Many users report experiencing the effects of increased testosterone within a few weeks of starting the treatment. Still, individuals response vary. It is recommended that progress be monitored by a healthcare provider. Is Enclomiphene Citrate safe for long-term use? Research and clinical studies suggest that enclomiphene citrate is good for short-term use. Its long-term efficacy is still being studied. Who is a good candidate for Enclomiphene Citrate? Enclomiphene citrate is an effective option for the following users: Men with symptoms of low testosterone levels. These include fatigue, reduced muscle mass, or low libido. Individuals looking for a non-steroidal alternative to testosterone replacement therapy Can Enclomiphene Citrate be used alongside other testosterone treatments? Some protocols combine enclomiphene citrate with other therapies. Is Enclomiphene Citrate better than hCG? hCG stands for human chorionic gonadotropin. Research suggests that hCG may also stimulate the testes to produce more testosterone. hCG is typically administered via injections. Studies about hCG are typically conducted on women. It is utilized to help them ovulate. Also, users would frequently inject themselves with hCG. Over time it may result in swelling of the injection area, Enclomiphene Citrate can be taken orally, meaning it avoids the risk of injections. Also, several studies about Enclomiphene Citrate involve men and how it may help with their physique. Is Enclomiphene Citrate Better than
GW-0742 Ever heard of Super Cardarine? GW-0742 is a PPARδ agonist, known more commonly as Super Cardarine. The compound is known for its activation of Peroxisome Proliferator-Activated Receptor Delta (PPARδ). PPAR are nuclear receptors that are responsible for various functions including metabolic processes, maintaining blood sugar levels, reducing fats, and lowering the risks of cardiovascular diseases. How Does GW-0742 Work? GW-0742 works similarly to the well-known compound Cardarine. It has the potential ability to activate Peroxisome Proliferator-Activated Receptor Delta (PPARδ). This activation encourages PPARδ to perform certain crucial functions. This may include potentially targeting body fat, improving brain function, accelerating wound healing, and lowering blood pressure, among other potential benefits. GW0742 CAS Number 317318-84-6 Molecular Weight 471.48 g/mol Chemical Formula C21H17F4NO3S2 IUPAC Name (chemical name) 2-[4-[[2-[3-fluoro-4-(trifluoromethyl)phenyl]-4-methyl-1,3-thiazol-5-yl]methylsulfanyl]-2-methylphenoxy]acetic acid Synonym GW 0742 Potential Benefits of GW-0742 GW-0742 on Hypertension (Regulates Blood Glucose Levels) and Insulin Resistance As mentioned above, GW-0742 has the potential to activate PPARδ in the research. When PPARδ is activated, it may potentially increase the process of fat metabolism. This may reduce the need for sugar as a primary source of energy. If the amount of sugar consumption is to be limited, regulating blood sugar levels becomes much simpler. This can reduce any risks associated with insulin resistance. Potential Effect of GW0742 on Fat Metabolism As mentioned above, the stimulation of PPARδ by GW0742 may potentially increase fat metabolism. Using fat as the primary source of energy will reduce the amount of stored fats in the body. This could also potentially lead to weight loss and applications in obesity-related research. Reduces the Risk of Cardiovascular Diseases (Heart Diseases) By the same mechanism mentioned above, if stored fats can be reduced, many cardiovascular benefits can be expected. With less stored body fat, the chances of blockage in veins and arteries, responsible for transporting blood throughout the body, can be minimized. This reduces the incidence of cardiovascular issues. Accelerates Wound Healing Process PPARδ plays a key role in curing inflammation and the regeneration of new cells. If GW0742 can enhance the activation of PPARδ, the wound-healing process can as a result be improved. PPARδ Agonist GW0742 and Diabetes Research from an animal study suggests that GW-0742 has the potential to improve glucose uptake (glucose homeostasis) in diabetic rats. This is due to the activation of PPARδ. This has led to an influx of research to investigate if PPARδ could be a potential future antidiabetic drug. [R] GW 0742 and Hypertension A 2011 study investigated GW-0742’s potential as a therapeutic agent for hypertension. GW-0742 was shown to induce a progressive reduction in systolic arterial blood pressure and heart rate in hypertensive rats. [R] Side Effects & Safety Considerations According to research, most side effects are quite rare and uncommon. The side effects associated with GW-0742 were not confirmed to be associated with treatment and may have been a coincidence. Despite this, the side effects observed were as follows: Increased heart size Increased levels of calcineurin, a cellular enzyme that activates the T cells of the immune system Why Choose BindBio To Buy GW-0742 Online? BindBio has sourced the best online supplier for your GW-0742 (Super Cardarine) needs. Our selection includes Iron Mountain Labz’s offering of liquid and capsules. This site is a great source of high-quality and high-purity, 3rd party tested research compounds. Each compound comes with a certificate of analysis ensuring you know exactly what you are getting. In our opinion, Iron Mountian Labz is your best choice when it comes to GW-0742. They offer GW-0742 in a convenient 20mg per capsule form or provide a 33mg per ml liquid. The solution form of GW0742 may be more effective than the capsule form. Liquids take less time to absorb in the digestive system and reach the target as opposed to capsules. Disclaimer Bindbio as a platform operates as a third-party dropshipping platform and does not own or manufacture any of the products available for purchase. Please take some time to read our full disclaimer making sure you are aware of any information or products that you find on our website and wish to rely upon. Frequently Asked Questions GW-0742 vs Cardarine GW 0742 and Cardarine are both PPAR (peroxisome proliferator-activated receptor) agonists. Both compounds were initially developed by the same manufacturer. The compounds are known for their similar potential effects such as insulin resistance and fatty acid oxidation. However, they have one notable difference. GW-0742 is composed of two hydrogen and four fluorine atoms, and Cardarine is made up of one hydrogen and three fluorine atoms. As a product, is GW 0742 legal? Like most ppar agonists GW 0742 is legal to buy and sell as a research chemical. This designation restricts the use of this compound for scientific and research purposes only.
LGD 3303 For bodybuilding, where muscular growth, greater strength, and fast recovery are essential goals, new and creative compounds potentially appear to help optimize performance. LGD-3303 is an experimental Selective Androgen Receptor Modulator (SARM) gaining attention for its potential to selectively stimulate muscle and bone tissue growth without many of the downsides associated with traditional anabolic steroids. LGD-3303 also offers an exciting alternative in achieving greater muscle mass, improved endurance, and stronger bones. GD-3303 is particularly interesting for its selective activity on androgen receptors, leading to specific action on muscle and bone tissue with minimal impact on reproductive organs. This tissue-specific compound distribution gives it a unique profile compared to other compounds in the SARM category. LGD-3303’s potential for bone growth, increased muscle mass, and enhanced recovery shows promise with its apparent tissue selectivity and promising anabolic effects How Does LGD-3303 Work? LGD-3303 works by binding to androgen receptors in a way that promotes tissue-selective activity, focusing on muscle and bone rather than affecting reproductive tissues. This selectivity is due to altered molecular interactions that allow LGD-3303 to act as a partial agonist on androgen receptors, particularly in muscle and bone tissues. LGD-3303 stimulates bone growth and has shown positive effects in studies on osteopenic female rats. This makes it a potential option for promoting bone density alongside muscle growth. By targeting muscle-specific androgen receptors, LGD-3303 may also increase muscle protein synthesis, leading to greater muscle activity relative to typical SARMs. This combination of effects makes LGD-3303 an exciting tool for bodybuilders focused on increased muscle mass and bone strength without undesired side effects often linked to traditional androgenic compounds. LGD-3303 CAS Number 917891-35-1, 1196133-39-7 Molar Mass 342.75 g·mol−1 Chemical Formula C16H14ClF3N2O IUPAC Name 9-chloro-2-ethyl-1-methyl-3-(2,2,2-trifluoroethyl)-3H,6H,7H-pyrrolo[3,2-f]quinolin-7-one Property Description Chemical Structure A pyrrolo [3,2-f] quinolin derivative Primary Function Muscle growth, bone density support Absorption Rapid absorption leads to high plasma concentrations Half-Life Moderate half-life, allowing stable time versus exposure profiles Tissue Selectivity Selective androgen receptor modulator with a focus on muscle and bone tissue Mechanism of Action Acts as a partial agonist on androgen receptors, promoting selective tissue effects Potential Benefits of LGD-3303 LGD-3303 is favored for its promising selective activity and potential to stimulate muscle growth, enhance bone density, and accelerate recovery. Here’s a closer look at its benefits: Increased Muscle Mass and Strength With greater muscle activity relative to other SARMs, LGD-3303’s selective action on androgen receptors supports muscle growth without targeting reproductive tissues. It also improves muscle activity leading to potential increases in lean body mass over time. The anabolic activity of LGD-3303 helps reduce muscle degradation, making it valuable for bodybuilding activities. [R] Bone Density and Strength Support In research on osteopenic female rats, LGD-3303 showed beneficial effects on bone growth promotion, which could mean stronger bones and reduced risk of fractures. By selectively stimulating androgen receptors in bone tissue, LGD-3303 helps increase bone mineral density, potentially supporting stronger bones. The compound is promising for test subjects with androgen deficiency who are at risk for bone loss. [R] Selective Tissue Activity with Minimal Side Effects LGD-3303 has limited effects on organs like the prostate due to tissue-specific compound distribution, which means less risk of unwanted side effects. Unlike traditional anabolic steroids, LGD-3303 does not significantly affect organs such as the prostate or lead to estrogen-related side effects. [R] Positive Effects on Recovery and Endurance Due to the compound’s anabolic support, enhanced muscle recovery can be expected, as LGD-3303’s tissue-selective activity can improve endurance and strength, helping it push through intense workouts. [R] Side Effects & Safety Considerations As with most SARMs, LGD-3303 may have common side effects that can be experienced, such as mild liver strain, a slight impact on lipid profiles, and possible alterations in sexual preference. Why Choose Bind Bio for Buying LDG-3303 Online? As a third-party drop-shipping platform, you can trust BindBio with the compounds you are looking for. Bindbio’s mission is to push the boundaries of innovation and redefine what’s possible in modern healthcare. Check on their website and experience unparalleled biotechnological advancements. Disclaimer Bindbio is a third-party drop-shipping platform, not the owner or manufacturer of the products listed. All items are strictly for research purposes, and customers should use caution. Bindbio disclaims any responsibility for outcomes or consequences of product use. By purchasing, you agree to assume full responsibility and understand the need for thorough research on any product beforehand. FAQs What is LGD-3303, and how does it compare to other SARMs? LGD-3303 is a selective androgen receptor modulator known for its tissue-selective activity on muscle and bone, making it ideal for muscle growth and bone support without affecting reproductive tissues. Can LGD-3303 be stacked with other compounds? Stacking LGD-3303 with other SARMs is possible How long does LGD-3303 take effect? Results can vary, but most report within a few weeks of changes in muscle mass and strength.
BindBio YK11 How Does YK11 Myostine Work? YK11’s mechanism of action is distinct. It is often marketed as a Selective Androgen Receptor Modulator (SARM), but it is a hybrid of steroids and SARMs. YK11 is derived from 5-α-dihydrotestosterone (DHT), a hormone known for its androgenic effects. YK11 works by attaching to androgen receptors in muscle and bone tissues. Unlike typical SARMs, it also increases follistatin levels. Follistatin is a protein that inhibits myostatin, a growth-limiting factor for muscle size. Suppressing myostatin results in an environment conducive to muscle hypertrophy. Therefore, YK11’s DHT-like structure contributes to enhanced bone health. It does this by activating pathways linked to protein kinase B (PKB), a key player in bone growth. Properties YK11 Myostine CAS Number 1370003-76-1 Molar Mass 430.5 g/mol Chemical Formula C25H34O6 IUPAC Name (2E)-2-[(8R,9S,10R,13S,14S,17S)-2′-methoxy-2′,13-dimethyl-3-oxospiro[1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-17,5′-1,3-dioxolane]-4′-ylidene]acetate Potential Benefits of YK11 Myostine Increased Strength YK11 has the potential to promote protein synthesis and inhibit catabolic (muscle-breaking) genes. This explains the muscle strength of users in anecdotal reports. [R] Fat Loss Assistance Muscle growth requires higher energy. This leads to utilizing stored fat as energy, thereby, supporting weight loss. [R] Bone Density Improvement YK11 supports bone health by mimicking DHT’s androgenic effects on bone tissue. Improved bone strength and density is beneficial in combating bone-loss conditions. [R] Enhanced Muscle Growth YK11 impacts muscle-building by increasing follistatin levels. Inhibiting myostatin allows for the development of larger muscle fibers leading to lean muscle mass gains. Also, users have reported faster results compared to traditional anabolic steroids. [R] Side Effects and Safety Considerations YK11 raises significant safety concerns due to the lack of comprehensive studies. Hormonal Imbalance YK11 may disrupt hormonal balance since it is a DHT-derived compound. It may lead to androgenic side effects such as prostate enlargement, hair loss, or voice deepening. Professional Sports Ban This compound is banned by the World Anti-Doping Agency (WADA). It is unsuitable for athletes in regulated sports. Liver Toxicity Liver toxicity is a common side effect of active steroids. Since YK11 is chemically similar to anabolic steroids, it might pose risks to liver health. Why Choose BindBio to Buy YK11 Myostine Online Bindbio is committed to providing a high-quality and reliable YK11 Myostine. Here’s why we stand out as your trusted resource: High-Quality Standards At BindBio, we adhere to rigorous quality control standards for every product we offer. Our partnerships are only top-tier products only. We are referring to PureRawz, BehemothLabz, and RCD.bio. Every batch of YK11 is carefully vetted to ensure it meets our strict standards. Competitive Pricing without Compromising Quality BindBio provides exceptional value by balancing premium quality and affordability. We provide our clients with competitive pricing. This model ensures you receive excellent value for your investment. Broad Selection of Research Compounds Beyond YK11, BindBio offers a wide range of research chemicals. You’ll find peptides, SARMs, and nootropics on our website. Our extensive selection allows you to conveniently source multiple compounds for your research studies. Reliable, Prompt Service and Secure Transactions Customer satisfaction is one of our top priorities. Our website is user-friendly. We also support secure payment options for a safe purchasing experience. Disclaimer Bindbio provides general product information only. Our aim is to provide precision and dependability. However, due to the latest updates and research, we cannot guarantee the information’s completeness, reliability, appropriateness, or availability for any purpose. Thus, our readers assume the risk of using such information. The content on Bindbio should not replace nutrition, supplements, medical advice, diagnosis, or treatment. It is recommended to consult your doctor or other medical professionals with any medical questions. Readers should not delay medical advice based on Bindbio’s information. FAQs Is YK11 Legal? YK11 is legal for research purposes only. However, It is not approved for human consumption and is banned in professional sports. What Makes YK11 Different from Other SARMs? YK11 has a unique mechanism of increasing follistatin levels. It inhibits myostatin and promotes muscle growth. YK11 has a steroidal structure and partial androgen receptor activation. Why Is YK11 Not Approved for Human Use? YK11 has not undergone rigorous clinical trials to assess its efficacy, safety, and long-term effects. FDA has not approved it for any medical or recreational purposes.