Cambridge Research YK-11 also known as Myostine has gained notoriety as a “super” SARM that can promote muscle growth and strength by inhibiting myostatin. It is a steroidal SARM that has gained a lot of interest in the bodybuilding world due to its potency and ability to rapidly increase muscle mass, strength, and endurance, and potentially improve bone density.
- Myostatin inhibitor
- Rapid mass gain
- Improved recovery
- Improved muscle strength
- Enhanced endurance
- Improved bone density
- Neuroprotective effects
What is Cambridge Research YK-11?
Cambridge Research YK-11 is a synthetic compound categorized as a selective androgen receptor modulator (SARM) that is designed to mimic the effects of testosterone in the body without producing the same level of negative side effects that traditional anabolic steroids can cause.
It was first synthesized in 2011 by a Japanese researcher named Yuichiro Kanno, who was studying the effects of SARMs on muscle cells. Kanno discovered that YK-11 had a unique ability to increase the production of follistatin, a protein that inhibits the action of myostatin, a protein that limits muscle growth. This discovery led to increased interest in YK-11 as a potential performance-enhancing drug.
How does YK-11 work?
One of the key mechanisms by which YK-11 promotes muscle growth is through the inhibition of myostatin. Myostatin is a protein that is produced by the body and acts to limit muscle growth. By inhibiting the action of myostatin, YK-11 allows for more muscle growth to occur.
YK-11 also has a unique ability to increase the production of follistatin, a protein that binds to and neutralizes myostatin. By increasing the production of follistatin, YK-11 is able to further enhance its muscle-building effects.
In addition to its anabolic properties, YK-11 has also been shown to have neuroprotective effects. Specifically, it has been shown to protect neurons against oxidative stress and reduce the production of inflammatory cytokines, which can contribute to neurodegeneration.
Overall, YK-11 works by selectively targeting androgen receptors in muscle and bone tissue, promoting muscle growth and strength, enhancing bone density, and potentially protecting against neurodegeneration. However, it is important to note that more research is needed to fully understand the potential benefits and risks of using YK-11.
Is Cambridge Research YK-11 a steroid?
Cambridge Research YK-11 is not technically a steroid but is in a class of compounds that are sometimes referred to as “steroidal SARMs” (which are different to non-steroidal SARMs such as Ostarine, LGD-4033, S-4, RAD-140 etc).
Steroidal SARMs are a subclass of SARMs that are chemically similar to traditional anabolic steroids but are designed to selectively target androgen receptors in muscle and bone tissue while avoiding some of the negative side effects associated with traditional steroids.
While steroidal SARMs like YK-11 are not technically steroids, they can still have an impact on hormone levels in the body and may produce some of the same effects as traditional steroids. However, it is important to note that more research is needed to fully understand the potential benefits and risks of using these compounds.
What are the benefits of using YK-11?
Cambridge Research YK-11 is a selective androgen receptor modulator (SARM) that has a variety of potential benefits for athletes and bodybuilders. Some of the key benefits of using YK-11 include:
Increased Muscle Mass:
YK-11 has been shown to promote muscle growth and increase muscle mass. This is due in part to its ability to inhibit the action of myostatin, a protein that limits muscle growth. By inhibiting myostatin, YK-11 allows for more muscle growth to occur.
Improved Muscle Strength
In addition to promoting muscle growth, YK-11 has also been shown to enhance muscle strength. This is likely due to its ability to increase protein synthesis and nitrogen retention in muscle tissue.
YK-11 may also have positive effects on endurance, as it has been shown to increase the production of red blood cells. Red blood cells are responsible for carrying oxygen to the muscles, which can improve endurance and reduce fatigue during exercise.
Potential Improvement in Bone Density
YK-11 may have a positive impact on bone density, as it has been shown to increase the activity of osteoblasts, the cells that are responsible for building new bone tissue.
YK-11 has been shown to have neuroprotective effects, which means it may help to protect the brain from damage and degeneration. Specifically, it has been shown to protect neurons against oxidative stress and reduce the production of inflammatory cytokines, which can contribute to neurodegeneration.
What are the potential side effects of YK-11?
Like any supplement or medication, Cambridge Research YK-11 does have potential side effects. Here are some of the potential side effects of using YK-11:
- Hair loss
- Increased aggression
- Negative effects on liver health
- Potential negative impact on cholesterol levels
- Testosterone suppression
- Joint pain
It is important to note that not everyone will experience these side effects, and the severity of side effects may vary depending on individual factors such as dosage, experience level, and overall health. It is always recommended to use Cambridge Research YK-11 responsibly and to consult with a healthcare professional before starting any new supplement or medication regimen.
Can YK-11 cause hair loss?
Yes, hair loss is a potential side effect of using YK-11. This is because YK-11 can increase the production of dihydrotestosterone (DHT), which is a hormone that is known to contribute to hair loss in some people. However, it is important to note that not everyone will experience this side effect, and it may be more likely to occur in individuals who are genetically predisposed to hair loss.
Can YK-11 cause gynecomastia?
Gynecomastia, which is the development of breast tissue in men, is not a common side effect of YK-11. However, YK-11 can still have an impact on hormone levels in the body, which can increase the risk of gynecomastia when used in high dosages or for extended periods of time. It is important to be aware of this potential side effect and to consult with a healthcare professional if any concerning symptoms arise.
Can YK-11 cause liver damage?
There is some evidence to suggest that YK-11 can have negative effects on liver health. In a study conducted on rats, high doses of YK-11 were found to cause liver damage and oxidative stress. However, it is important to note that more research is needed to fully understand the potential impact of YK-11 on liver health in humans. As with any supplement or medication, it is important to use YK-11 responsibly and to monitor for any signs of negative side effects.
How to use Cambridge Research YK 11
Cambridge Research YK-11 should be cycled for periods of 4-8 weeks followed by a PCT.
This is a supplement that is strictly for experienced males aged 21+ with a solid background of training who are now seeking to embark to a higher level of muscle mass and strength.
The most common dosage is 5-15mg/day. Users have also seen good effects at 5mg, which is a recommended starting dose for new users.
The half-life of YK-11 is 6-10 hours so the ideal dosing protocol is to split each daily dose into two. By taking two doses a day, YK11 levels should remain more stable.
YK-11 can be stacked with ‘wet’ compounds (those that cause some water retention) to offset the extremely dry nature of the compound, such as LGD-4033 and MK-677. This helps to prevent dryness or soreness of the joints when using YK 11.
Is YK-11 safe for women to use?
YK 11 is not generally recommended for women. YK-11 can have an impact on hormone levels in the body, which can lead to unwanted side effects in women such as deepening of the voice and increased facial hair growth. Women who choose to use YK-11 should do so with caution.
How long does it take for YK-11 to start working?
The exact amount of time it takes for YK-11 to start working can vary depending on a number of factors, such as dosage, individual metabolism, and other supplements or medications that are being taken. However, many people report seeing noticeable results within the first week of starting a YK-11 cycle.
Can YK 11 be stacked with other SARMs?
Yes, YK-11 can be stacked with other supplements or steroids. However, it is important to be cautious when combining different substances, as this can increase the risk of negative side effects. It is recommended to consult with a healthcare professional before starting any new supplement or medication regimen.
YK-11 is most often stacked with ‘wet’ compounds (those that cause some water retention) to offset the extremely dry nature of the compound, such as LGD-4033 and MK-677. This helps to prevent dryness or soreness of the joints when using YK 11.
Is PCT necessary after using Cambridge Research YK-11?
Cambridge Research YK-11 is a potent compound and is relatively suppressive when compared to most other SARMs compounds. As such, it is highly recommended to do a Post Cycle Therapy (PCT) protocol after a YK-11 cycle to help restore normal hormone levels and reduce the risk of negative side effects.