Helixx – YK X – Myostine – YK-11

$100.00

MYOSIN (YK-11) by Helixx Online is a myostatin inhibitor and SARM hybrid designed to dramatically increase muscle growth by unlocking your genetic potential. Ideal for lean bulking and recomposition cycles.

  • Usage: 5–10 mg/day (split AM/PM)
  • Cycle Duration: 6–8 weeks
  • Aromatization: None (but may affect DHT levels)
  • Post Cycle Therapy: Yes – Clomid or Nolvadex
  • Stack With: MK-677, RAD-140, or LGD-4033 for mass

Out of stock