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Growth-Factor Research

CJC-1295 (No DAC)

CJC-1295 without DAC (also known as Modified GRF 1-29) is a short-acting analogue of growth-hormone-releasing hormone, studied for pulsatile stimulation of the GH/IGF-1 axis. Supplied lyophilised for laboratory research use only.

Read the full research profile
How it works · what studies report · scientific references
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≥99% purity target · lot-tracked
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5 mg vial
€40.005 mg vial
Ships from IrelandTracked
Dispatched in 1–2 working daysTracked, EU dispatch
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Currently sold out — join the Insiders list below for the restock notice.
Why does the vial look empty?
That’s normal. The peptide is supplied lyophilised (freeze-dried) — often a thin film or a few milligrams at the base of the vial, easy to mistake for empty. It’s all there; reconstitute with bacteriostatic water before use.
Research handling note
Reconstitute with bacteriostatic water and store the lyophilised vial at −20 °C until use; once reconstituted, refrigerate and use within the documented window. For laboratory research purposes only — not for human consumption, diagnostic, or therapeutic use. Need to work out your dilution? Use the reconstitution calculator
Growth-Factor Research

CJC-1295 (No DAC) — research profile

For research purposes only — not for human consumption

CJC-1295 without DAC — also called Modified GRF 1-29 — is a short analogue of growth-hormone-releasing hormone (GHRH), based on its first 29 amino acids with a small number of stabilising substitutions. Unlike the DAC (Drug Affinity Complex) version, it is short-acting, so it is studied where a brief, pulsatile GH signal is wanted.

Research models use it to stimulate the pituitary’s own release of growth hormone one step upstream of the GH/IGF-1 axis, preserving the natural pulsatile pattern of secretion.

How it’s studied

  • GHRH-receptor agonism: stimulation of endogenous pituitary GH pulses.
  • Short half-life: brief action that preserves pulsatile secretion.
  • GH/IGF-1 axis: downstream growth-factor signalling.

Areas under investigation

AreaReported research focus
GH releasePulsatile, GHRH-driven stimulation in models.
GH/IGF-1 axisEndogenous GH and IGF-1 response.

References

  1. Ionescu M, Frohman LA. Pulsatile secretion of growth hormone (GH) persists during continuous stimulation by CJC-1295, a long-acting GH-releasing hormone analog. J Clin Endocrinol Metab. 2006;91(12):4792–4797.

Specifications

SpecificationDetail
ProductCJC-1295 (No DAC)
FormatLyophilised vial
Fill5 mg per vial
Molecular formulaC152H252N44O42
PuritySpecified to a 99%+ purity target — per-batch documentation will be published once independent lab testing completes
Price€40.00
AvailabilityCurrently sold out — restock in progress. Join the Insiders list for the restock notice.
Supplied forLaboratory research use only — not for human consumption, diagnostic or therapeutic use
Verifiability

Batch Testing & COA

Every production batch is sent for independent, third-party analysis at Janoshik Analytical. When results return, the full Certificate of Analysis for the exact batch you receive is published here and in our COA library, carrying its SHA-256 checksum and the lot number printed on your vial, so you can confirm the document is genuine and untampered. We publish every certificate, including any that fail.

How to verify a COA and its SHA-256 checksum →

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