Description
What is YK-11
YK-11 is a new synthetic steroid based on 5-α-dihydrotestosterone (DHT), a
hormone naturally found in the human body. DHT is a stronger form of
testosterone that targets androgen receptors in the prostate, sex
organs, hair, and liver.
YK11 is gaining interest from bodybuilders due to its ability to
quickly build muscle with minimal side effects, much like various
SARMs. The YK molecule has more in common with steroids than SARMs,
although it’s often mistakenly labeled as a non-steroidal SARM [1].
According to preliminary cell studies, YK11 may increase muscle mass
and enhance bone health [2, 3].
Some bodybuilders who have experimented with YK11 report great muscle
gains and fat loss with minimal side effects. However, there are
currently no animal or human studies of YK11 and its safety profile are
unclear.
Along with all steroids and SARMs, YK11 is banned in professional
sports by the World Anti-Doping Agency [4].
YK11 is a synthetic steroid with SARM properties, promoted to quickly
build muscles with minimal side effects. It’s banned in professional
sports and not well researched yet.
How Does It Work?
The chemical structure of YK11 is similar to DHT, and it binds to
androgen receptors in a similar way. DHT is a naturally occurring
hormone in the body crucial for hair growth, prostate health, and
proper development in puberty.
Some bodybuilding resources state that YK11 is one of the strongest
SARMs on the market. However, research revealed that YK11 only
partially activates androgen receptors. Such limited activation
increases the activity of catabolic (muscle-degrading) genes [1].
A recent cell study uncovered YK’s unique muscle-building mechanism:
increasing follistatin levels. Follistatin is a naturally occurring
protein in that suppresses myostatin, which otherwise prevents muscles
from getting too large. In comparison, no other SARMs show myostatin
inhibition [2].
YK11 may also increase bone growth by affecting a DHT-like pathway,
according to other cellular studies [3].
Potential Uses of YK11:
1) May Increase Muscle Size
According to cell-based studies, YK11 boosts muscle growth by
increasing follistatin levels and thus inhibiting myostatin [2].
YK11 has not been studied in animals or humans.
Anecdotal evidence from bodybuilders suggests it is effective at
increasing muscle size. Users report lean muscle gains of up to 15
lbs. and a decrease in body fat after a single cycle.
YK11 may boost muscle growth by inhibiting myostatin. There are no
human or animal studies to confirm this, but bodybuilders report lean
muscle gains and fat loss.
2) May Strengthen Bones
Sex hormones play an important role in maintaining healthy bones. YK11
maybe able to bind to androgen receptors in bone tissues and increase
bone strength, similar to steroids and SARMs.
YK11 increased levels of activated PKB (protein kinase B) in cells;
activated PKB sends signals to increase bone growth [3].
Thanks to its muscle-building effects, YK11 may also support bone
health, similar to SARMs. This would be especially relevant in older
people who struggle with both muscle and bone frailty [6].
YK11 may strengthen the bones by activating androgen receptors and
protein kinase B. Its muscle-building effects may help prevent
fractures, especially in the elderly.
Dosage
Anecdotal reports suggest the most common dosage is 10-15 mg, divided
into two daily doses. Users have also seen good effects at 5 mg, which
is a recommended starting dose for new users. Some people report doses
as high as 30 mg with no side effects. It is usually cycled for 4 to 8
weeks.
Women report taking 0.5-2 mg per day.
Most users take YK11 by mouth while some have used muscle injections.
Anecdotal evidence suggests that stacking YK11 with other SARMs can
lead to superior results. Users report stacking with LGD-4033 or
RAD140 and using a lower dose of YK11, typically 5-10 mg per day.
Most users take 10-15 mg of YK11 per day, divided into two doses. Some
stack it with other SARMs and use lower doses. Women usually take
0.5-2 mg/day.
YK11 side effects
There are some who will swear blind that YK11 SARM doesn’t cause any
side effects. But we have to disagree. Sure, a lot of them can be
remedied once you stop, and yes, they appear to be temporary. However,
we view any negative change to your body as a side effect.
Take a look at the following:
It has got a steroidal structure
Making it not your average SARM
Testosterone suppression
Users have reported drops in natural testosterone production following
a YK11 cycle. Admittedly, it was only temporary and was easily
restored with the help of PCT, but we advise you to be cautious.
Liver toxicity (maybe)
Whilst most SARMs don’t have to deal with this; due to its hybrid
steroid nature – and the fact that at a chemical level it is close to
steroids – there have been some reports of it damaging your liver.
True, this hasn’t been fully confirmed but it is easy to see the
potential for it.
No human/animal studies
We know this isn’t an actual side effect, but it is a BIG con that you
need to be aware of. Why? Because all of its claims are based on
cellular studies. There is no evidence proving that it can build lean
muscle mass and burn fat in real people.
Long term risks unknown
And this is another downer to the lack of human studies. It is all
based on speculation with no real guarantee that your body isn’t at
the risk or in danger.
Health issues
As YK11 is so strong – and similar to steroids – there is a growing
concern that it may affect hair growth, prostate health, the pitch of
your voice, and other organs. Other health concerns include the esophagus,
stomach, skin, and prostate cancer (due to too high a follistatin
presence); although it has been positively linked to breast cancer.
Increased aggression
It might not cause full roid rage, but users have reported feeling
angrier, more aggressive, and being quicker to react outside of the gym
due to its suppressing natural hormone production.
Joint pain
This is a common complaint amongst YK11 users.
Hair loss and mild acne
Now, most of these are due to a too high a YK11 dosage, so by taking
the correct amount you can minimize this risk.
Similarly, all of these side effects are based on user experiences NOT
research or clinical studies.
Does this mean they don’t exist? Yes and no. Personally, we feel that
they are still a very real possibility, as they are all common side
effects of SARMs and anabolic steroids. The proof may be lacking, but
the personal experience is there.
Reviews
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