10 mg 90 Caps
CAS No.:

Purity: 99%min

Product Name: YK-11

Appearance: White powder

Storage: 2 years if properly stored


What is YK11 SARM?

If some users are to be believed, then YK11 is not your average SARM. Far from it. Many would describe it as a ‘super SARM’ because of its SARM-steroid hybrid status.

Alongside promising users that it can help them to reach their full physical and mental potential – with none of the nasty side effects (supposedly) – YK 11 SARM can also stimulate quick muscle gains; bolster fat loss, and improve bone health.

The truth is, YK11 is a synthetic steroid that has been created by directly altering the chemical structure of DHT (a hormone that occurs naturally in the body) – a stronger form of testosterone.

The Science

Now here is where things get tricky because there are multiple theories surrounding YK 11 SARM.

The first is that is a myostatin inhibitor. This theory arose following a cellular study, where YK-11 was found to increase muscle mass by boosting the growth of follistatin (a myostatin inhibitor) which is an essential muscle building protein.

The second is that it is a powerful SARM (selective androgen receptor modulator).

This one is based on a separate study where YK-11 was discovered to stimulate bone-building proteins – a common occurrence amongst a lot of top name SARMs. Similarly, numerous studies have shown how YK11 only selectively binds with androgen receptors found in your bones and muscles. This again points towards it being a SARM.

By focusing purely on the androgen receptors there, it can increase your ability to build up lean muscle mass whilst strengthening bone density.

Things to consider:

  • So far the only studies this SARM has seen are cellular ones. No animal ones and no human ones. This means that despite all the claims surrounding this SARM, there is actually no evidence to back them up, so you need to take their claims with a pinch of salt.
  • Like all SARMs, YK-11 has been banned by the WADA, making it illegal and off-limits to competing bodybuilders and athletes.

How does YK11 work?


Remember how we mentioned that YK11 is synthetically altered DHT and that it will only bind to the androgen receptors found in your muscles and bones? Well, alongside triggering natural growth, and encouraging good prostate health and proper development in puberty; YK11 also only activates androgen receptors partially, preventing their full activation. As a result, this limited activation can increase the activity of catabolic androgen genes.

At the same time, YK11 can help inhibit myostatin activity by increasing the presence of follistatin in your body. As these levels rise, this will help to keep your myostatin levels in check and prevent it from hindering muscle growth/stopping your muscles from getting too large.

And this is the only SARM known to inhibit myostatin. Which is good news for you, as you’ll be able to enjoy unbridled gains and muscle growth, day after day.

Another positive YK11 result you can look forward to is its ability to affect DHT-like pathways. By activating protein kinase B, this sends signals to your brain to increase the creation of bone building cells, and encourage greater bone growth.

YK11 Results – Potential health benefits of YK11

We’ve touched on two of these already. However, to help you get a better idea of how YK11 works; here are its most common health benefits:

    • Increased muscle size

YK-11 may not be a traditional SARM but it can still stimulate muscle growth and produce new muscle cells (by naturally increasing follistatin cells), whilst suppressing myostatin (a protein that stops excessive muscle growth).

    • Numerous users have reported benefiting from 10-15lbs worth of lean muscle mass gains in just one 8 week YK11 cycle.
    • Fat reduction

Alongside encouraging lean muscle mass growth, YK 11 SARM can also cause significant fat losses in a short space of time.

    • Healthier, stronger bones

A key part to keeping your bones healthy is sex hormones. Studies suggest that YK11 can help to improve your bone strength by binding itself to your androgen receptors. It can also increase the level of activated PKB (protein kinase B) in your cells, resulting in bone growth.

    • Increased strength

The idea of strength moves in an endless cycle, namely because they are so intimately entwined. When it comes to increased strength – as you are able to lift more weight; more muscle fibers will be stimulated.


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