Not medical advice. Talk to your provider before using any peptide.
Full disclaimerMuscle Growth Protocols
Peptide Schedule Research Team
Growth hormone secretagogue protocols for body composition, recovery, and lean mass.
Muscle growth peptide protocols focus on optimizing growth hormone output for body composition, recovery, and lean tissue gains. GH secretagogues stimulate the pituitary to release natural GH pulses rather than injecting synthetic HGH.
The most popular approach stacks a GHRH (CJC-1295 or Sermorelin) with a GHRP (Ipamorelin, GHRP-2, or GHRP-6) for amplified GH release. MK-677 offers an oral alternative with 24-hour IGF-1 elevation but carries hunger and water retention side effects.
These protocols are typically cycled: 8-12 weeks on, 4 weeks off. Timing matters — injecting fasted before bed maximizes the natural nocturnal GH pulse. Results build gradually over months, not days.
CJC-1295 (No DAC) + Ipamorelin
Campbell's recommended starting point for newcomers. CJC-1295 (no DAC) plus ipamorelin at bedtime, 5 on / 2 off, 8 weeks on and 8 off. He calls it "easy to purchase from a reliable supplier at a reasonable cost and extensively studied." The same combo shows up in both his muscle growth and fat loss stack lists, which tells you something about its versatility.
CJC-1295 (DAC) + MK-677 (Ibutamoren)
Derek's approach to replicating pharma-grade GH IGF-1 levels without actual GH. CJC-1295 DAC at 2.5mg twice weekly (Monday and Thursday) plus MK-677 at 25mg daily oral, both at bedtime. Target: IGF-1 around 500 ng/mL. The CJC-1295 DAC dose exceeds standard ranges. Regular IGF-1 bloodwork and fasting glucose monitoring required. Advanced users only.