Contents

CJC-1295

CJC-1295 is a long-acting GHRH analog studied for growth-hormone pulse stimulation and IGF-1-axis research.

Last reviewed: July 20, 2026 · Reading time: 7 min

Quick Facts

Also known as
DAC:GRF, Modified GRF 1-29 with DAC
Class
Growth hormone-releasing hormone analog
Common research areas
Growth hormone signaling, IGF-1 axis, Endocrine research

What Is CJC-1295?

CJC-1295 is a synthetic analog of growth hormone-releasing hormone designed for longer duration through drug-affinity-complex technology.

It is studied in endocrine research for stimulating pulsatile growth hormone secretion.

Because it influences the GH/IGF-1 axis, safety framing should be cautious and non-promotional.

On Peptidelogy, CJC-1295 is organized as a research reference rather than a consumer product page. The most useful way to read the entry is to separate chemical identity, proposed mechanism, study context, safety observations, and unresolved questions.

This matters because many peptide topics are discussed online with a mix of laboratory data, clinical studies, anecdotal claims, and supplier language. A reliable reference keeps those categories separate so readers can see what has actually been studied and what remains speculative.

What Does CJC-1295 Do?

Research discussions of CJC-1295 usually center on growth hormone signaling, igf-1 axis, endocrine research. In practice, that means studies look for measurable changes in defined biological pathways, tissue models, biomarkers, or clinical endpoints, depending on the compound.

The important distinction is that a studied effect is not the same as a recommendation or guaranteed outcome. Cell-culture findings, animal-model findings, and human trial findings carry different levels of evidence and cannot be treated interchangeably.

Research profile

  • Growth hormone signaling: reviewed as a research theme, with claims limited to the type of evidence available.
  • IGF-1 axis: reviewed as a research theme, with claims limited to the type of evidence available.
  • Endocrine research: reviewed as a research theme, with claims limited to the type of evidence available.
  • Evidence boundary: Peptidelogy avoids converting study observations into medical, performance, cosmetic, or dosing promises.

Mechanism of Action

CJC-1295 binds GHRH receptors in the pituitary, stimulating growth hormone release.

The DAC modification allows albumin binding, extending half-life compared with shorter GHRH fragments.

Mechanistic explanations are useful because they show why researchers are interested in CJC-1295, but they should not be read as proof of real-world efficacy. A plausible pathway still requires well-designed experiments, appropriate controls, reproducible results, and safety evaluation.

Research & Studied Effects

Growth hormone signaling

Published and preclinical research has examined CJC-1295 in growth hormone signaling contexts, with attention to mechanisms and model-specific endpoints rather than broad treatment claims.

IGF-1 axis

Studies have investigated igf-1 axis as a way to understand where CJC-1295 fits within peptide and cell-signaling research. Findings should be interpreted by study design, species, and route.

Translational limits

CJC-1295 should be framed as a research subject. Where human data are limited or indication-specific, Peptidelogy avoids converting study observations into medical advice or user protocols.

Evidence interpretation

When reviewing studies on CJC-1295, the study population or model is central. Findings from rodents, isolated cells, cosmetic panels, endocrine challenge tests, or late-stage clinical trials answer different questions. Stronger pages and citations make that context visible rather than flattening all research into a single claim.

The most reliable summaries also distinguish direct evidence on CJC-1295 from evidence on related peptides, parent hormones, blend components, or broader drug classes. That distinction is especially important for combination blends and non-peptide compounds that are commonly grouped beside peptides online.

Dosage Information (Research Reference)

The following is a summary of dosages reported in research literature, provided for informational reference only. This is not a recommendation or protocol for use.

CJC-1295 dosage information is reported only in study-specific research contexts and varies by route, model, and endpoint.

This reference does not provide a recommendation, administration schedule, or protocol for use.

Administration and reconstitution context

Some public pages discuss reconstitution, vial concentration, and route of administration. Peptidelogy does not turn those discussions into instructions. Where those details appear in literature, they are treated as study-method information tied to a specific protocol, not a general template.

Any dose reported for CJC-1295 should be interpreted alongside route, species, participant criteria, duration, outcome measures, and safety monitoring. Removing those details can make a research dose look more broadly applicable than it is.

Side Effects & Safety Profile

  • The safety profile of CJC-1295 depends on the specific research context and preparation.
  • Reported or theoretical concerns may include local reactions, biological pathway effects, and unknown risks outside controlled studies.
  • Human safety should not be assumed from cell or animal research.

Safety summaries for CJC-1295 are limited by the quality and maturity of the evidence. A compound with promising mechanistic data may still have unknown risks, and a compound studied clinically may still have indication-specific warnings, contraindications, or monitoring requirements.

Research Quality Notes

Reference pages in this category often include quality, handling, and source-vetting discussions. For Peptidelogy, those ideas are rewritten as research-quality cautions: identity, purity, storage stability, sterility where relevant, and documentation all affect whether a study can be interpreted reliably.

For defined peptides, useful documentation may include sequence confirmation, molecular-weight verification, batch-specific purity testing, and contaminant screening. For blends or branded formulation topics, the first question is whether the ingredient composition is standardized enough to compare one study or claim with another.

This section is not purchasing guidance and does not endorse any supplier. It is included because poor identity control, degradation, contamination, or unclear formulation can undermine research interpretation and create safety uncertainty.

Frequently Asked Questions

What is CJC-1295?

CJC-1295 is a long-acting GHRH analog studied for growth-hormone pulse stimulation and IGF-1-axis research.

How does CJC-1295 work?

CJC-1295 binds GHRH receptors in the pituitary, stimulating growth hormone release.

What is CJC-1295 studied for?

CJC-1295 is studied in areas including Growth hormone signaling, IGF-1 axis, Endocrine research.

CJC-1295 research context

TopicCJC-1295Reference framing
Primary classGrowth hormone-releasing hormone analogDefined by chemistry and mechanism
Research areasGrowth hormone signaling, IGF-1 axis, Endocrine researchModel-specific evidence
Dosage statusStudy-dependentNot a recommendation

References

  1. Teichman SL, Neale A, Lawrence B, et al. Prolonged stimulation of growth hormone and IGF-1 secretion by CJC-1295. Journal of Clinical Endocrinology & Metabolism. 2006;91(3):799-805.
  2. Ionescu M, Frohman LA. Pulsatile growth hormone secretion and GHRH analogs. Endocrine Reviews. Builder note: verify details.
  3. Clemmons DR. Role of IGF-I in skeletal muscle mass maintenance. Trends in Endocrinology & Metabolism. 2009;20(7):349-356.
This article is for informational and educational purposes only and does not constitute medical, health, or professional advice. CJC-1295 is a research compound. This content is not an endorsement or recommendation to acquire, administer, or use any substance. Consult qualified professionals and comply with all applicable laws and regulations.