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About our MK-2866 Ostarine SARM for sale

What is MK-2866?

Enobosarm / Ostabolic / Ostarine (MK-2866) is one of the most extensively studied SARMs and the first to reach advanced clinical trials. It was initially developed to treat and prevent muscle wasting in cancer and osteoporosis patients. There are ongoing clinical and preclinical trials to test the efficacy of Ostarine in prevention of muscle atrophy, cachexia and sarcopenia.

How it works:
MK-2866 binds to AR (androgen receptor) and promotes anabolic activity preferentially in the bone and muscle. MK-2866 allows for muscle growth by allosterically activating AR and thus altering gene expression and protein synthesis. MK-2866 exerts its anabolic effects almost exclusively in muscle tissue and minimizes muscle atrophy, most notably during recovery periods from surgery and injury. This suggests MK-2866 has myriad potential uses, and it has been shown to be highly effective at gaining and maintaining lean body mass in humans clinically. (

Injury Prevention:
One of the major benefits observed with MK-2866 is the promotion of tissue regeneration and healing. These benefits translate into anabolism of both the bone and skeletal tissues. Research has shown that these effects allow it to be used in a variety of ways, most notably in the treatment of osteoporosis and muscle wasting. It is also a strong compliment to other treatments that treat bone density reduction.

Estrogen Concerns:
SARMS do not aromatize, conferring all their effects to AR binding and not to metabolic conversion to active androgens or estrogens. There have been rare circumstances in blood work from research subjects showing slightly elevated estradiol levels (which correlates with its effectiveness in treating bone, tendon and ligament injuries). These circumstances have been relatively rare.

MK-2866 Main Clinical Findings:

  • Very well tolerated in patients: adverse effects similar to placebo in clinical trials (
  • Highly anabolic even at moderate clinical doses
  • Promotes lean mass gains
  • Helps increase endurance (both aerobic and anaerobic)
  • Promotes Joint and Injury healing abilities
  • Half-life of 24 hours which requires dosing only once a day (ie. excellent dosing adherence in clinical studies)
  • Associated with substantial increases in strength


*The information herein is for educational and informational purposes only. THIS PRODUCT IS FOR RESEARCH USE ONLY. For use in animal studies, all research must be conducted with oversight from the appropriate Institutional Animal Care and Use Committee (IACUC) following the guidelines of the Animal Welfare Act (AWA).

Buy SARMs for sale like our MK 2866 Ostarine sarm - 20 MG/ML - 30ML bottle from UMBRELLA Labs and enjoy the highest quality and purity MK-2866 Ostarine SARMs available online.

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