![](https://osgear.se/images/products/spectre-labs/s-yk11-mk677-181.jpg)
YK11 & MK677 - Spectre Labs
ACTIVE HALF-LIFE 12-24 hours
CLASSIFICATION Myostatin inhibitor + Growth Hormone Secretagogue
DOSAGE 20-60 mg/day
ACNE No
WATER RETENTION No
HBR No
HEPATOTOXICITY No
AROMATIZATION No
MANUFACTURER Spectre Labs
WAREHOUSE USA Warehouse 2
SUBSTANCE
Ibutamoren,
YK-11,
![](https://osgear.se/images/products/spectre-labs/s-yk11-mk677-181.jpg)