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YK11 Powder: Benefits & Side effects




Quick Details:

Product Name YK11
Synonym (17-alpha,20E) 17,20-[(1-methoxyethylidene)bis(oxy)] 3-oxo-19-norpregna-4,20-diene 21-carboxylic acid methyl ester
CAS 431579-34-9
Assay 99%
Appearance White crystalline powder
Packing 1kg net/foil bag, 5kg/drum.
Standard Enterprise Standard
Storage Shading , Confined Preservation
Usage Fat loss; muscle growth
Molecular Fomular C152H252N44O42
Molecular Weight 3367.2



YK-11 Sarm is a synthetic steroid with anabolic as well as undiscovered progestin potential.
The product has the same backbone like the steroids. The selective androgen receptor modulator gives users the same growth muscles results as other steroids without any negative side effects.

The substance has the ability of producing the similar effects as myostatin. Japanese scientists have continued to do experiments to discover more about the steroid.



YK11 attaches itself to the AR (androgen receptor), but only inducts methods that lead to the traditional side effects of androgens such as growth of body hair and prostate and enhanced aggression – to a restricted degree.

Most SARMS have quite limited androgenic side effects, but frequently only quite few anabolic effects when likened to testosterone.

YK11 induces muscle cells to make more follistatin (more than DHT does) – a strong myostatin inhibitor. YK11 works through the androgen receptor.


YK11 powder Reviews

YK11 powder as a S.A.R.M.

A selective androgen receptor modulator, best known as a S.A.R.M., is a compound that targets specific androgen receptor sites in the body and promotes anabolic benefits with minimal androgenic side effects.
YK11 powder is not a S.A.R.M. but I can see why it is usually classified as such. YK11 powder does attach itself to androgen receptors; however, it does not promote the release of anabolic or androgenic agents. Instead, once attached YK11 powder promotes the release of Follistatin.More on the relationship between Follistatin and Myostatin below.


YK11 powder as a Prohormone

A prohormone is ingested into the body where it will be given the missing compound to turn it into an active androgenic agent. Most prohormones will promote both anabolic benefits such as muscle growth while also triggering androgenic side effects such as acne and aggression. Prohormones also are known for causing testosterone suppression and requiring a post-cycle therapy supplement to offset these effects.
YK-11 powder does not require a missing compound in order to be activated. Rather, once inside the body, it connects to an androgen receptor and it promotes the release of the compound, Follistatin. It does have some side effects, which I’ll expand on below, but nothing as severe as a prohormone. Prohormones and YK11 powder have completely different mechanisms for activation along with a different level of anabolic versus androgenic effects. In summary, YK-11 powder is NOT a prohormone.

YK11 powder as a Myostatin Inhibitor

YK11 powder is a myostatin inhibitor.First, let’s breakdown what myostatin is and its role in muscle building. Everyone has a genetic muscle building limit. If we didn’t have a genetic wall in place, our bodies would continue to gain muscle mass to the point of not being able to physically move because the mass would be so big, assuming the right conditions were met for hypertrophy, of course.
Myostatin powder is in charge of being that muscle building wall. Men and women are able to max out their genetic potential and once they reach that point, even with the best diet and training program, myostatin will step in. Myostatin inhibitors are able to disarm the compound and allow your body to continue making progress.
More on how YK11 powder acts as a myostatin inhibitor below.



How does powder works?

YK11 powder powder attaches itself to an androgen receptor. This prompts muscle cells to produce more anabolic factors that in turn leads to increased muscle growth. Unlike most SARMS that come with limited androgenic effects, this compound performs much better. In a past study, the effect of this compound on muscle cells was proven to be much higher. In this study, it was found that the muscle cells produced more anabolic compounds when exposed to 500nmol of this compound than when exposed to testosterone.
It is safe to say that YK11 powder powder just like any other SARM is designed to help with muscle growth. It has been proven that the compound promotes muscle growth, muscle retention, and the growth of new muscle cells. Its side effects are minimal and cannot be compared to the side effects of steroids available in the market. This possibly explains why it is receiving a lot of attention as many are looking for a solution that is safe and works to enhance muscle growth.
This compound works great for those looking to build muscle mass. The compound is also ideal for people who want to maintain the amount and quality of their muscles and keep fat cells at bay.


YK11 powder For Bodybuilding


This compound is primarily designed to help with muscle growth. It works in more ways than one to promote the development of muscle cells and ensure muscle retention. The compound also works to help burn fat and decrease the overall amount of fats deposited in the body.
When introduced in the body, YK11 powder ensure that muscle cells develop at a much faster rate. The compound also strengthens existing muscle mass. Because the compound is selective, users get to see results much faster and get better results.
This compound is designed to help people whose genetic makeup prevents them from acquiring significant muscle mass. This is because it also acts a myostatin inhibitor. Myostatin is a protein that inhibits the growth of muscle in the body. Some people naturally have a high amount of this protein in their bodies. Such people rarely acquire significant muscle mass even when they use available muscle building solutions. Thanks to YK11 powder, people who are naturally disadvantaged where muscle growth is concerned can also get to grow their muscles to the levels they desire.

Is YK11 powder better for bulking or cutting?

This is one of the reasons I love this SARM so much. It is extremely versatile and can be used for both. Typically I would advise to keep the dosage lower for cutting cycles, since your goal is going to be to maintain as much muscle mass as possible while you lose weight. If you are bulking, you can assess your tolerance and ramp all the way up to 20mg per day if you feel comfortable. A lot of users like to stack it with LGD 4033 for bulking as well.


Who Can Take YK11 powder powder?

Anyone can take YK11 powder powder. All you need to do is make sure that you are active and that you are fully understanding of what it does and what it can offer you. A lot of people who do take YK11 powder experience fantastic results but if you do suffer from a health condition then you may want to look into this before you get started. This is because the YK11 powder powder could have an effect on the medication you are taking at the moment and this is another thing you need to keep in mind. Your health care provider can again, advise you on this but it is important to know that it is not yet understood whether or not this SARM can be taken alongside other SARMS. When you do take a look at the benefits it can offer you however, you may find that one good dose of this can far surpass the benefits you would get when you take this with other doses of SARMS.
The main reason why people swap to YK11 powder powder is because they don’t want to put up with the side effects that other SARMS give them. The same goes for those who take testosterone. After all, YK11 powder YK11 powder increases hair growth instead of decreasing it and it also doesn’t affect the prostate either so if you are having prostate problems or if you have had problems in the past then you know you can count on this to eliminate the chance of SARMS making this worse. This is just one of the many things that it can do for you and you would be surprised at how much it can help you as well so if you would like to find out more or if you would like to see how it could benefit you then all you need to do is try it for yourself today. It has never been easier and this is the best way for you to know and understand the results it could offer you on a day to day basis.
As mentioned above, you can buy it online with ease so you can access it without any problems, why don’t you get started for yourself today? A lot of providers have it for a very affordable price and it could even come to a lower price when compared to the other SARMS that are on the market as well so it is certainly worth looking into if you would like to get an alternative to the existing product that you are taking at the moment. Why don’t you try it for yourself today?



YK11 powder Cycle: How to use YK-11 powder?

The recommended YK11 powder dosage you’ll use will be dependent upon your fitness goals. If you’re trying to bulk up, you’ll use much more than if you’re trying to get lean and cut.
Here’s a recommended cycle chart but be sure to check the label of the product as well. YK11 powder dosages may vary from brand to brand.
Goal: Muscle Mass (Bulk)
Week 1: 5 mg
Week 2: 10 mg
Week 3: 15 mg
Week 4: 20 mg
Week 5: 25 mg
Week 6: 30 mg
Week 7: 30 mg
Week 8: 30 mg
Goal: Lean Muscle Mass (Cutting)
Week 1: 5 mg
Week 2: 5 mg
Week 3: 5 mg
Week 4: 10 mg
Week 5: 10 mg
Week 6: 10 mg
Week 7: 15 mg
Week 8: 15 mg
Stacking Methods with YK-11 powder
Here is a recommended stacked cycle chart when you stack with Testolone, which is considered one of the best stackable compounds.
Keep in mind that the stack below is for bulk muscle mass:

Week 1:
YK11 powder: 5 mg
Testolone: 5 mg
Week 2:
YK-11: 10 mg
Testolone: 5 mg
Week 3:
YK11 powder: 15 mg
Testolone: 10 mg
Week 4:
YK11 powder: 20 mg
Testolone: 10 mg
Week 5:
YK11 powder: 25 mg
Testolone: 10 mg
Week 6:
YK11 powder: 30 mg
Testolone: 15 mg
Week 7:
YK11 powder: 30 mg
Testolone: 15 mg
Week 8:
YK11 powder: 30 mg
Testolone: 15 mg
Popular Brands of YK-11
Here are the brands that users have reported to be of great quality:
AASraw–YK11 powder(CAS:431579-34-9)



Benefits of YK11 powder

The benefits of YK-11 powder are myriad. Not only can you expect exactly what you came here for; massive lean muscle gains, and reaching the size and definition you always dreamed of, but you can also expect to lose fat, which is always a great thing. Unlike prohormones and anabolic steroids, the effects of YK-11 powder are very mild, even at high dosages. YK-11 powder is a very promising supplement that could provide a very clear route to the body you’ve always wanted, even if you’re not one of the genetic lottery winners. What Benefits Can Be Expected From YK11 powder powder as follow:

  • Lean size gains without water retention
  • Increase in muscular size and strength
  • Muscle hardening
  • Increase in Follistatin levels
  • Inhibition of Myostatin levels
  • No anabolic steroid side effects
  • Possibly allow you to far surpass your body’s genetics in regards to accrual of muscle mass
  • Produces muscle via a totally different mechanism than SARMs, Steroids, or HGH, so it can theoretically be added to any cycle for additional muscle growth and synergy
  • Increased muscular fullness and better pumps


Side effects OF YK11 powder

  • Hair growth
  • This can be a positive or negative side effect. For users who would also like to boost their hair growth, this is a welcome side effect. Some people may also be put off by the increased hair growth. Getting rid of this excess hair is however easy and it does not seem like such a big deal especially when one experiences considerable muscle growth.
  • Some steroids are known to cause hair loss when used for some time. This compound is ideal for people who have experienced hair loss as a result of using steroids and are looking for a quick and effective solution to help them grow their hair back.
  • Effect on prostate

It has been noted that this compound does not cause any androgenic effects on the prostate. Unlike most steroids that are also known to lead to prostate enlargement, this compound has no effect on the prostate. Men can, therefore, use without having to worry about prostate enlargement and associated problems.

  • Dependency issues

No cases of dependency where YK11 powder is concerned has been documented. Many users have been able to discontinue using the compound with minimal if any effects. That said, users are advised to always stay with the recommended dosage. This is because the long-term effects of high amounts of this compounds are not yet known.
Other effects

  • Enhanced aggression has been noted in people taking this compound. Though this has no effect on the body, enhanced aggression should be controlled. People experiencing enhanced aggression are advised to lower their daily intake and the problem will simply go away. This problem is however rarely observed in people taking the recommended dosage on a daily basis.
  • Breast enlargement is a common side effect associated with testosterone therapy. This compound does not cause any significant increase in the size of breasts in both males and females. Some people have, however, noted some twitching and a slight change in breast appearance after continued use.
  • Users should always be on the lookout for other side effects. If the side effects are adverse, use of this compound should be discontinued. It would also be advisable to visit a knowledgeable physician who can explain why these side effects are happening and whether they come with far-reaching consequences.



Why is YK11 powder so popular for bodybuilding?

YK11 powder VS. Other SARMs powder

YK11 powder selectively binds to the androgen receptors in muscle and bone in a similar way to SARMs, which is most likely why some assert that it is a SARM. After binding to the androgen receptors, it exerts tissue selective anabolic activity that promotes lean mass gains. It seems to produce lean, dry gains, as opposed to LGD-4033 powder and RAD-140 powder, which are more “wet” and have a higher propensity for resulting in water retention. However, YK11 powder’s chemical structure differs greatly from that of SARMs, and in fact, resembles the chemical structure of DHT (dihydrotestosterone) very closely. It would be more correct to say YK11 powder is a steroid or a derivative of one then to say it is a SARM.
Unfortunately, it is pretty unclear exactly what it is, as it is very new on the scene, and most conclusions being drawn about this compound are just based on personal opinion rather than true science. One thing is for sure though (based on science don’t worry) YK11 powder’s unique effect on Follistatin production is completely unlike any SARM, and it is proposed to increase Follistatin levels several times higher than even most traditional Anabolic Steroids that convert to DHT.
YK11 powder isn’t necessarily better or worse than any SARMs, but this is because it operates via a completely separate mechanism of inducing muscle growth. Because YK11 powder potentiates muscle growth via a completely separate pathway, it would be more productive to figure out what would work best alongside it, rather than if it’s stronger or weaker than other Anabolics that cause muscle growth in a totally different manner. It’s like comparing apples to oranges with YK11 powder powder, because nothing is even remotely in the same category as it currently, you can’t compare it to other muscle building agents.



YK11 powder VS. Testosterone powder

Testosterone powder is designed to be a hormone replacement that is normally given in the form of an injection. The problem with testosterone powder is that it can cause fluctuations in the amount of testosterone powder in the blood and when the injection has been given, this can cause them to spike as well. After the injection has happened, you may experience a low afterwards. With SARMS on the other hand, you can design molecules, including that in the YK11 powder to be delivered orally and on top of that, you can change the way they react to specific tissues. The main goal of the research that has been done in SARMS allows them to be customised and if a tissue is targeted then that tissue will respond in the exact same way as the body would to testosterone powder but without any of the added problems. It should be noted that there haven’t been any SARMS that have been developed yet that have anabolic effects in the bone tissue or muscle without causing androgenic effects in the prostate, but there are some androgens that have a ratio of anabolic or androgenic effects that are much bigger than 3:1. Some of them are even 10:1 so as you can see, when you compare that to testosterone powder, which is 1:1, SARMS are the much better option.
While SARMS are probably going to show some effects when they are used in incredibly high doses, they can be used at lower doses and not show any. One of the main advantages of SARMS that have been produced more recently is that they are taken orally and they won’t cause you any liver damage either. A lot of anabolic steroids need to be injected and this can cause dose dependency which can actually be life-threatening if you use them too much. As stated above however, when you use them in moderation and when you use the newer generation of SARMS, including the YK11 powder powder, you can get all the results you need without any added difficulty so this is something you need to stay aware of. On top of this, you won’t go through the liver dependency of the previous SARMS that were released in previous generations.


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