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YK-11 is a Mysotatin inhibitor which is  increases muscle pumps and muscle hardness.

YK11 is actually classified as a steroidal SARM and is used specifically for those wanting to gain lean, hard muscle.

YK11 can be used in both cutting and bulking cycles. For short durations of time and stacks well with Testolone (RAD140), Anabolicum (LGD-4033) and Stenabolic (SR9009).

Original price was: R580.Current price is: R522.

SKU: OL088


YK-11 is a steroidal SARM so works a little differently than many other popular SARMs. It is a partial agonist of the androgen receptor and is often described as a hybrid between a steroid and a SARM.

YK-11 is very much a research SARM and while some other compounds have moved towards human studies and trials, research on YK-11 has stalled in its infancy with no scientific validation of what it can and can’t do, and no hard evidence of potential short term side effects or long-term health impacts. This means that anecdotal evidence from users of YK-11 and their personal experiences is the main form of information about this compound.

This gives us a good idea of what YK11 is capable of, however it should always be kept in mind that you could personally experience effects – either good or bad – that have not been shared by other users and this is one of the risks that comes with using a research compound like YK-11.

What we do know is that YK11 is great for making mass gains, can assist with fat loss, and helps shape the physique with no fluid retention. For these reasons it appeals to both bulking and cutting goals, while also being a compound that females can use.

Additional information

Chemical Composition




Pack Size

30ml Drops


Oxygen Labs

Effect on Cycle

Side Affects

YK -11 can cause weakening of the tendons if used at higher doses or longer periods than recommended.

Stack with

  • Nutrobal MK-677 for recovery.
  • Cardarine for cutting.
  • Or any other SARM for testosterone boosting

Dosage and box contents

  • Male Athletes :  5 – 15mg per day (one to three tablets daily).
  • Female Athletes : 2.5mg to 5 mg daily ( Half to one tablet daily)
  • Cycle Length : 4 weeks
  • Box Contents : 60 Tablets
  • Tablet strength :   5mg

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Fulfilment of your order may be impacted by stock availability however an email will be forwarded to you once your order is packed and ready for shipping. This email will include tracking details so that you can trace your parcel.

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