MK-677, also known as Ibutamoren or Nutrobal, is a powerful growth hormone secretagogue that’s gained massive popularity in the fitness, bodybuilding, and anti-aging communities. Unlike SARMs, MK-677 doesn’t directly bind to androgen receptors. Instead, it works by stimulating the body’s natural production of growth hormone (GH) and IGF-1 — offering a wide range of benefits without suppressing natural testosterone levels. …