PEPTIDE
Verified Peptide ReviewLast reviewed: 22 April 2026

Compound Profile · GH Releasing

Mod GRF 1-29

Mod GRF 1-29 is a stabilised, short-acting GHRH analog studied in research for GH release with more natural pulsatile kinetics than extended-release alternatives.

LegalResearch onlyEvidenceModerateHuman useNot approved
8.0/ 10

Peptide Score

Evidence

8.0

Safety

8.0

Regulatory

8.0

Transparency

8.0

Quick verdict

Well-characterised GHRH analog with favourable profile for GH research. Often synergised with GH secretagogues.

Reality check

What this isn't

  • Not approved for human use — research-only context
  • No regulator has approved human use
  • Moderate evidence — replication still building
  • Side-effect profile not fully characterised
  • Educational only — not medical advice

Deep dive

Full Mod GRF 1-29 review

A stabilised, short-acting GHRH analog (GHRH 1-29).

Designed to more closely approximate natural pulsatile GH stimulation than long-acting variants.

CompareResearch-gradeSafety