Comparison
CJC-1295 vs. GHRP-2
Two peptides side-by-side — identity, evidence base, legal status and known adverse events.
Identity
Category
Growth
Growth
CAS no.
no data
158861-67-7
Molecular weight
3647.3 g/mol
817.93 g/mol
Half-life
144 h
0.5 h
Sequence
YADAIFTNSYRKVLGQLSARKLLQDIMSR-DACD-Ala-D-2-Naphthyl-Ala-Ala-Trp-D-Phe-Lys-NH2Mechanism of action
CJC-1295
Synthetic analogue of growth-hormone-releasing hormone (GHRH), modified for extended half-life via a Drug Affinity Complex (DAC) binding to albumin. Acts on the pituitary GHRH receptor and stimulates endogenous growth-hormone release.
GHRP-2
GHRP-2 binds with high affinity to the GH secretagogue receptor (GHSR-1a) in the pituitary and hypothalamus. Activation leads to rapid release of pulsatile growth hormone. Unlike GHRH, GHRP-2 acts via a separate pathway and can be combined synergistically with GHRH to elicit maximal GH responses in provocation tests.
Evidence base
Highest evidence
Human trial
Human trial
Studies
4
4
of which in humans
3
4
Effects recorded
3
3
Open conflicts
1
0
Documented adverse events
3
1
Legal status
Full entries
Frequently asked questions
- What is the difference between CJC-1295 and GHRP-2?
- CJC-1295 is classified as "Growth", while GHRP-2 is classified as "Growth". CJC-1295: Long-acting synthetic GHRH analogue modified for albumin binding (DAC). Stimulates endogenous growth-hormone release. Pharmacodynamic effect established in small human studies; clinical endpoint trials are missing. GHRP-2: Synthetic hexapeptide of the GH secretagogue family. Approved in Japan as GHRP Kaken as a diagnostic test for GH deficiency. Not available as a medicine outside Japan. This page contrasts both neutrally and source-based — with no usage or dosing recommendation.
- Which peptide is better supported by science, CJC-1295 or GHRP-2?
- The highest available evidence level is "Human trial" for CJC-1295 and "Human trial" for GHRP-2. A higher evidence level means more robust data, but says nothing about suitability for an individual. The full body of evidence is on each peptide's own page.
- What is the legal status of CJC-1295 and GHRP-2 in Germany and the United States?
- Germany: CJC-1295 — Unapproved, GHRP-2 — Unapproved. United States: CJC-1295 — Research only, GHRP-2 — Unapproved. These are factual summaries with source and review date on the individual pages.