Does MK-2866 help with performance?
Yes, for most people. 87% of 252 people who reported on MK-2866 for performance say it improved. 12% noticed no change and 0% say it got worse. That is below the typical result for performance (93% across 41 options).
High-risk compound. Not an approved supplement; serious risks and legal restrictions apply. Nothing here is a recommendation to use it.
Performance: what users report
87%better252 reports · high confidence
220 better31 no change1 worse
Ranked #18 of 41 for performance.
What people say about MK-2866 and performance
“All in all, great compound. Was very suprised I lost fat, as I was on a huge surplus.”
“Overall feeling on ostarine was good, but I needed a lot more sleep during the first two weeks.”
“I experienced absolutely no sides... my final stats were... Weight: 173 lbs, Body Fat %: 12.1%, 1RM Max Bench: 225 lbs, 1RM Max Deadlift: 365 lbs... I believe it helped me.”
“to today repping it for 18 clean reps feeling like i could’ve done even more.”
What the research says
DResearch: None0 meta-analyses · 0 trials on PubMed
None of the top reviews we found look specifically at performance. See all research on MK-2866.
Side effects people mention
suppression 133fatigue 35insomnia 23headache 20acne 17
What else is MK-2866 used for?
Information only — not medical advice. How we count