Quanta Pharma CJC-1295 (Without DAC) 10mg, also known as Mod GRF 1-29, is a pharmaceutical-grade synthetic GHRH analogue designed to mimic the body’s natural pulsatile growth hormone release. This lyophilised vial from Quanta Pharma offers researchers a high-purity compound for advanced studies in growth hormone secretion, body composition, sleep quality, and recovery enhancement. Independent Analiza Białek testing confirms the finished vial at 10.74mg content and 99% purity. Available for UK delivery with fast dispatch.
Analiza Białek Finished Product Verified
Independent testing of the sealed vial by a leading EU laboratory
10.74mg Actual Content 10mg Label Claim 107% Accuracy 99% Purity 9TK27M1A
Quanta Pharma CJC-1295 Specifications
Peptide CJC-1295 (No DAC) Also Known As Mod GRF 1-29 Type GHRH Analogue Dosage 10mg/vial Sequence 29 Amino Acids Half-Life ~30 Minutes Form Lyophilised Storage 2-8°C CJC-1295 (Without DAC) 10mg by Quanta Pharma
Quanta Pharma CJC-1295 Research Benefits
- Pulsatile GH release: Researched for promoting natural, pulsatile growth hormone release from the pituitary rather than creating a sustained flatline
- Preserves natural feedback loops: Short half-life means endogenous somatostatin and IGF-1 feedback remain intact, avoiding receptor desensitisation
- Body composition: Investigated for effects on lean muscle mass and fat metabolism in research models, particularly when paired with a GHRP
- Recovery enhancement: Demonstrates potential for accelerating tissue repair and regeneration
- Sleep quality: Shows effects on deep sleep phases, which is when natural nocturnal GH pulses peak
- GHRP stack synergy: The classic research pairing is CJC-1295 (No DAC) with Ipamorelin, where the two peptides act on different receptors to amplify GH release
How Quanta Pharma CJC-1295 (Without DAC) Works
CJC-1295 without DAC, properly known as Modified GRF 1-29, is a synthetic analogue of the first 29 amino acids of growth hormone releasing hormone (GHRH), the endogenous peptide that stimulates GH secretion from the anterior pituitary. Four specific amino acid substitutions at positions 2, 8, 15, and 27 protect the peptide from rapid enzymatic degradation, particularly by the enzyme dipeptidyl peptidase-4 (DPP-4), extending its half-life to around 30 minutes compared to just a few minutes for native GHRH.
Research indicates Quanta Pharma CJC-1295 (Without DAC) works by binding to GHRH receptors on pituitary somatotroph cells, triggering a clean, short pulse of growth hormone release that mimics the body’s own natural secretion pattern. Because the peptide clears within about half an hour, it does not override the pituitary’s native pulsatile rhythm or the negative feedback regulation from somatostatin and IGF-1, both of which are important for avoiding receptor desensitisation.
This is the key distinction from the DAC version: CJC-1295 with DAC produces a sustained “bleed” of GH over several days, whereas CJC-1295 Without DAC produces a single physiological pulse. Researchers who specifically want to study or replicate natural pulsatile GH release, or who want to stack with a GHRP like Ipamorelin, typically choose the No DAC version.
Quanta Pharma CJC-1295 Without DAC vs With DAC
The two variants of CJC-1295 behave very differently in research. Quanta Pharma CJC-1295 Without DAC (Mod GRF 1-29) has a half-life of approximately 30 minutes and produces short, clean GH pulses that mirror natural physiology, requiring more frequent dosing but preserving the body’s native feedback loops. The DAC version, by contrast, incorporates a Drug Affinity Complex that binds it to serum albumin, extending its half-life to roughly 6 to 8 days and producing a sustained elevation in GH levels. Many researchers prefer the Without DAC version for stacking with GHRPs like Ipamorelin, as the short-acting profile allows for precisely timed, pulsatile GH release rather than a constant bleed.
Why Choose Quanta Pharma CJC-1295?
Quanta Pharma is renowned for producing pharmaceutical-grade peptides with exceptional purity and accurate dosing. The 10mg vial of Quanta Pharma CJC-1295 (Without DAC) has been independently verified by Analiza Białek, one of Europe’s most respected analytical laboratories, with confirmed content of 10.74mg against a 10mg label claim and 99% purity on the finished product. Combined with pharmaceutical-grade lyophilisation, precise fill accuracy, and UK-based stock for fast dispatch, it is the confident choice for serious researchers working in growth hormone modulation studies.
⚠️ FOR LABORATORY RESEARCH USE ONLY
NOT FOR HUMAN OR VETERINARY DIAGNOSTIC OR THERAPEUTIC USE
Safety Classification:
For use by qualified research personnel only. Keep detailed records of usage and storage as per UK research regulations.
Legal Notice: This product is exclusively intended for in vitro laboratory research conducted in controlled environments by qualified research staff. It is not for pharmaceutical, domestic, or any other applications. The purchaser accepts that acquiring and using this material is governed by all relevant UK regulations concerning research chemicals.

