YK11 SARM Review 2024 (Ultimate Buyer's Guide)

Bodybuilders are always on the lookout for effective performance-enhancing compounds to put on more muscle mass.

There has been a lot of attention focused on SARMs (Selective Androgen Receptor Modulators) as a safer alternative to anabolic steroids

Since they target specific androgen receptors on the muscles, they tend to have a similar effect as testosterone, with none of the unwanted side effects.

As especially the most excellent Selective Androgen Receptor Modulators become more popular, they are heavily scrutinized by anti-doping agencies.

If you're looking for something that gives similar effects with even fewer side effects than SARMs, why look into this YK11 analysis?

YK 11 compound claims to have the same effect on muscle growth without the need to cycle or endure the side effects associated with SARMs.

In this guide, we will summarize this claim along with the YK11 reviews online.

What is the YK11 SARM?

Yk-11 SARM chemical structure

YK11 is a very tricky compound to understand.

There is a lot of confusion about whether it is a steroid or whether it is a SARM.

The answer to both questions is: yes. YK11 is a SARM. It is also derived from DHT, a potent steroid, so technically, it's a steroid as well.

Despite that, you may find it's frequently being called a SARM. YK11 doesn't function in the same way as most SARMs.

SARMs work by binding to androgen receptors and activating muscle-building pathways in the body.

Unlike steroids, which also target sex organs, SARMs only target skeletal muscle tissue, promoting muscle growth and retention [R].

One preliminary research has shown that SARMs are effective against fighting osteoporosis and frailty in cancer patients.

YK11 doesn't function in the same way as Andarine S4, for example, or most SARMs, for that matter. It uniquely works as a myostatin inhibitor.

EffectsIncrease follistatin levels, increased lean muscle mass
Potential Side EffectsEnlarged breasts, increased aggression, a negative effect on prostate health, and excessive hair growth
Half-Life6 - 10 hours
Common Dosage10 - 20 mg daily
Content10mg/ml – 50ml
Money Back GuaranteeCase-by-case
Rating⭐⭐⭐⭐⭐ 4.5/5
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Myostatin is a compound produced in the body that stops muscle cell growth and differentiation.

Animals and people with a deficiency can put on much more muscle than usual since their muscle cells never stop growing.

How Does YK11 Work?

YK 11 works by preventing myostatin from performing its function, promoting muscle cell growth and differentiation.

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YK11 does this by increasing follistatin expression in the body. Follistatin inhibits the function of myostatin. So by taking it, you increase your follistatin levels, which stops it from working.

When this doesn't work, your cells have more time to grow and divide. This maximizes the bulking up that you experience from your training.

This is still considered a SARM according to almost every YK11 experience because it binds selectively to androgen receptors.

However, the function of YK11 is very different from that of other traditional SARMs.

Unlike the typical non-steroidal SARM, it has a similar chemical structure as DHT (dihydrotestosterone).

DHT is known as a potent androgen receptor agonist and is essential for proper development during puberty, hair growth, and prostate health.

Despite the promising ways YK 11 impacts muscle mass and growth, very few studies on YK 11 are available. Such studies include the process of how YK11 prevents myostatin in the body.

You can read published research on the reputable studies on YK11 in the peer-reviewed Biological and Pharmaceutical Bulletin (Biol Pharm Bull).

How Effective is YK11?

YK11 is considered one of the most potent anabolic compounds available because it inhibits myostatin, allowing muscles to grow beyond their ordinary limits.

YK 11 also promotes muscle growth and bone growth in a way similar to DHT.

This double-effect can explain the extreme muscle-mass-gaining effects it has, making it one of the top choices for a SARMs bulking stack.

Benefits & Expected Results

YK11 has several benefits, similar to other SARMs.

Increase in Physical Strength

Users quickly notice an increase in physical strength and a shorter recovery period.

Shorter Recovery Period

The shorter recovery period allows you to work harder and longer in the gym, which translates into increased lean muscle mass growth while preventing myostatin.

Significant Fat-loss

Some people and related posts also report good fat-loss benefits from using YK11, though this is generally combined with another SARM, such as Ostarine.

No Water Retention

A fringe benefit of YK 11 is that it doesn't promote water retention, which will give you a lean look without having to go through the pain of reducing your water weight.

Increased Boned Density

Preliminary studies show that it also affects bone density. YK11 increases the amount of protein kinase B in mc3t3-e1 cells, according to a paper published in Biol Pharm Bull [R]. Increased PKB leads to increased bone cell production. While better bone density isn't why you take YK11, it's a nice side effect on top of the muscle growth and strength gains you'll see.

More About YK11 SARM

There have been no formal human or animal studies done on its effects on the body. Studies of the compound have taken place in cell models and the Biological and Pharmaceutical Bulletin findings.

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YK 11 compound was developed as a synthetic form of DHT for use in the lab, and its effects in the gym haven't been studied.

This lack of evidence hasn't stopped bodybuilders from trying it out and successfully using YK11 to put on lean muscle mass rapidly. (Even though bodybuilders tend to love experimenting with new compounds and seeing what results they provide.) Anecdotal evidence shows that it performs better than most SARMs in terms of muscle gain and fat loss.


Anecdotal evidence suggests that the minimum recommended YK11 dosage is 5 mg per day.

The average dosage is between 10 mg and 15 mg per day.

As with most compounds, it's a good idea to start with a lower YK11 dosage when using this SARM and only increase if you don't see good results.

How to Take YK11?

YK11 SARM has no adverse side effects and can be taken safely at any time, even when other drugs are in use or being administered.

There are two options available when taking YK11. You can use the powder or the solution.

YK11 Powder

You can take YK11 powder by mixing it into soy milk, or you can take it with a glass of water. YK11 SARMs are taken by mouth and are only given in doses up to 30mg daily for 12 weeks at a time.

Doses should be split evenly over the day, beginning with one-fifth (20 mg) dose per day on days one, two, and three, followed by 20mg/day after that until treatment duration ends.

YK11 Solution

YK11 ready solution can be taken by mouth with a glass of water. The proper dosage depends on your weight.

The dosage range is 20-30 mg per day.

YK11 Post Cycle Therapy

The general recommended YK11 cycle is six to eight weeks, with up to eight weeks off. Some users have reported signs of testosterone suppression after eight weeks of using it, so it's important to cycle off the drug and restore your body's normal testosterone levels.

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You can either use a PCT for SARMs or other testosterone booster or cycle off it entirely for an extended time.

Since there is no clinical data available on the recommended dosage and YK11 cycle length, we strongly advise erring on the side of caution. Start with a low dose of 5 mg and keep your cycle short. If possible, check your testosterone levels after the post-cycle therapy. If your testosterone isn't dramatically affected, you can up the dose while keeping the same cycle length.

The best way to prevent testosterone suppression is to keep your cycles short and check how you're feeling. There's no shame in cutting a cycle short because you feel lousy, no matter what your gym buddies say.

Doses of YK11 range from 20-30 milligrams per day for up to twelve weeks. You will need to cycle this SARM every 12-14 days as they have been found to cause liver damage if taken too often or for more than two months straight without any break or cycle in between doses.

If you take YK11 SARM twice a month, you will less likely experience damage to the liver.

There is no limit for how long YK11 can be taken, but YK11 SARMs have been found to cause adverse effects if taken continually, so better do post-cycle therapy after a period of use.

Side Effects

The clinical effects of the selective androgen receptor modulator YK11 haven't been studied, so it's impossible to say what the side effects are definitive.

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Most research on it has pertained to mouse mc3t3-e1 cells. These cell studies (such as the research in Biol Pharm Bull) mark the extent of the research performed so far, making it difficult to evaluate the overall YK11 side effects in the human body.

Anecdotal evidence suggests that testosterone suppression may be a side effect of YK 11. As with many other untested research chemicals, it's best to assume the worst and prepare for severe side effects. At the very least, be alert for any issues that might crop up. Chances are, if you take too much or take it for too long, your body will give you signals, indicating it is time to lay off.

As YK11 is similar in function to a SARM and similar in structure to dihydrotestosterone, keep an eye out for side effects known to happen due to these compounds. These can include enlarged breasts, increased aggression, a negative effect on prostate health, and excessive hair growth.

YK11 vs. RAD-140

Rad-140 is YK11 SARMs close analog. YK11 SARM is more effective in terms of increasing muscle mass and decreasing fat content by preventing myostatin.

The YK11 SARM, on the other hand, does not lead to any reduction in testosterone levels or sperm count. This means that it can safely be taken even by those who want a hormonal advantage during sex.

The YK11 SARMs also lead to an increase in insulin sensitivity within weeks. This helps the body burn the excess fats and convert glucose into energy rather than storing them for later use, which causes weight gain over time.

YK11 SARM has been shown to stimulate protein synthesis at rates comparable to testosterone. It also has a high affinity for androgen receptors.

The YK11 SARMS are much less expensive but still provide many of the same benefits as RAD 140. As to its use in sports, all SARMs are prohibited and are listed as "Other Anabolic Agents" under the World Anti-Doping Agency (WADA) Prohibited List.

Where to Buy YK11 Online?

Suppose you've decided you'd like to give YK11 a try. In that case, you should be aware that it's considered a research chemical and hasn't been evaluated by the FDA for quality, safety, or efficacy. Many disreputable vendors will pretend to sell you the real thing and sell you something else instead.

You should always make sure that you're buying from a reputable vendor such as Chemyo. This company has a proven history of selling high-quality products for bodybuilders and weightlifters at reasonable prices.

Frequently Asked Questions (FAQ)

Your questions answered.

Is YK11 a Steroid?

It's derived from dihydrotestosterone, a well-known steroid. While it shares a similar chemical structure, it doesn't appear to function in the same way as a steroid. Whether or not you want to call it, a steroid will depend on whether you're evaluating it based on form or function.

Will YK11 Show Up on a Drug Test?

Yes, for up to two days after use. It is considered a banned substance, either as a selective androgen receptor modulator or synthetic steroid. Since it has anabolic properties, it is also prohibited in sports as regulated by the World Anti-Doping Agency.

Does YK11 Cause Gyno?

There is no published evidence that it does, but anecdotal evidence suggests that prolonged use can result in gynecomastia.

What's the Half-Life of YK11?

According to articles published in the peer-reviewed journal Biol Pharm Bull, its half-life is between six to 10 hours. Such a short half-life means that you should consider taking it twice a day if you're looking to build muscle.


We've all heard about (or seen) the results of SARMs before and after taking them. We've seen the ads put out by suppliers.

YK11 is considered one of the most potent and effective compounds to build muscle mass, increase endurance, and burn fat.

However, we do recommend taking it with caution. This compound has only been studied in mouse cell lines, so it's difficult to know how safe or effective it is.

Currently, it's impossible to tell what the dose is supposed to be and what kind of side effects you can expect other than muscle growth.

There are many other well-documented muscle growth enhancers on the market, and we strongly recommend checking them out before turning to this relatively untested product.

YK11 SARM Review 2024 (Ultimate Buyer's Guide) 1

Trying to decide if YK11 is right for you? Read our comprehensive review of the YK11 SARM and find out everything you need to know before you buy.

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