/ database / GHRH Analog

Mod GRF 1-29

Also: CJC-1295 (no DAC)

Pulsatile GHRH analog — pair with a GHRP for a clean GH pulse.

Evidence
emerging
Legal status
research only
Half-life
~30 minutes
Routes
subq
What it is

Mod GRF 1-29 is a stabilized version of Sermorelin commonly paired with Ipamorelin to amplify the natural GH pulse without elevating IGF-1 to supraphysiological levels.

Mechanism

Tetrasubstituted Sermorelin variant with improved metabolic stability.

Outcomes it's matched to
Safety

Well tolerated. Site irritation is the most common report.

  • Active malignancy
Legal context

Research use only; commonly compounded in anti-aging clinics.

1:1 GUIDANCE

Have questions about this peptide?

Get free 1:1 guidance from a peptide professional before you start. They'll help you think through dosing, stacking, and whether this fits your goals.

REQUEST A CALL →
PepVault

An outcome-driven reference for modern peptides. Educational only — not medical advice, not a sales platform, not affiliated with any clinic.

Disclaimer: PepVault is an educational resource. Nothing on this site is medical advice. Many peptides discussed are research compounds and are not approved by the FDA or equivalent agencies. Always consult a qualified clinician before starting any protocol.

© 2026 PepVault