Hermetica Superfood Encyclopedia
The Short Answer
CJC-1295 is a synthetic peptide analog of growth hormone-releasing hormone (GHRH) that binds to growth hormone secretagogue receptors. It stimulates sustained growth hormone release for up to 7 days, promoting muscle growth and fat metabolism.
CategoryAmino Acid & Peptide
GroupCompound
Evidence LevelModerate
Primary KeywordCJC-1295 benefits
Synergy Pairings4

CJC-1295 — botanical close-up
Health Benefits
Stimulates sustained release of growth hormone (GH), promoting continuous muscle growth and fat metabolism. - Enhances muscle mass and strength by increasing protein synthesis and reducing muscle catabolism. - Supports fat loss by boosting lipolysis and metabolic rate, aiding in body composition improvements. - Improves sleep quality, which is vital for hormone regulation and tissue repair. - Increases cellular regeneration and repair, accelerating recovery from exercise and injury. - Promotes bone density and joint health by stimulating osteoblast activity. - May improve skin elasticity and reduce signs of aging through increased collagen production. - Offers long-acting effects with a single weekly dose, making it convenient for busy lifestyles.
Origin & History

Natural habitat
CJC-1295 is a synthetic peptide that acts as a growth hormone-releasing hormone (GHRH) analog. It is produced through peptide synthesis and is used for its potential to increase growth hormone levels.
“Developed in the early 2000s, CJC-1295 is used in research for its potential anti-aging and performance-enhancing effects.”Traditional Medicine
Scientific Research
CJC-1295 has been studied in animal models and early human trials, showing potential for sustained growth hormone release. Further research is required.
Preparation & Dosage

Traditional preparation
Typical dosage ranges from 1 mg to 2 mg per week, administered via subcutaneous injection. Consult a healthcare provider before use.
Nutritional Profile
- Composed of a sequence of amino acids.
- Administered via subcutaneous injection.
- Long-acting due to its ability to bind to albumin.
How It Works
Mechanism of Action
CJC-1295 binds to growth hormone secretagogue receptors (GHSR) in the anterior pituitary gland, triggering cyclic adenosine monophosphate (cAMP) signaling pathways. This stimulates somatotroph cells to release growth hormone in pulsatile patterns. The peptide's lysine modification allows it to bind to albumin, extending its half-life to approximately 6-8 days compared to natural GHRH's 7-minute half-life.
Clinical Evidence
Limited human studies exist for CJC-1295, with most research conducted on small cohorts of 10-20 participants. One study in healthy adults showed 2-10 fold increases in growth hormone levels lasting up to 6 days after injection. Animal studies demonstrate improved body composition with increased lean mass and reduced fat mass over 4-8 week periods. However, long-term safety data and large-scale clinical trials are lacking, limiting evidence quality.
Safety & Interactions
Common side effects include injection site reactions, headaches, dizziness, and potential water retention. CJC-1295 may interact with diabetes medications by affecting glucose metabolism and insulin sensitivity. It's contraindicated in individuals with active cancer due to growth hormone's potential tumor-promoting effects. Safety during pregnancy and breastfeeding is unknown, and the peptide should be avoided in these populations.
Synergy Stack
Hermetica Formulation Heuristic
Also Known As
CJC-1295 DACCJC-1295 without DACModified GRF 1-29Mod GRF 1-29GHRH analogGrowth hormone releasing peptide analogCJC1295
Frequently Asked Questions
What is the difference between CJC-1295 with and without DAC?
CJC-1295 with DAC (Drug Affinity Complex) has an extended half-life of 6-8 days due to albumin binding, while CJC-1295 without DAC has a 30-minute half-life. The DAC version provides sustained growth hormone release, while the non-DAC version mimics natural pulsatile patterns.
How much CJC-1295 should I take and when?
Typical dosing ranges from 1-2mg per week for CJC-1295 with DAC, administered as a single injection. CJC-1295 without DAC is typically dosed at 100-200mcg, 2-3 times daily before meals or bedtime to align with natural growth hormone pulses.
How long does it take to see results from CJC-1295?
Initial effects like improved sleep quality and recovery may be noticed within 1-2 weeks. Significant changes in body composition, including increased muscle mass and fat loss, typically become apparent after 4-8 weeks of consistent use with proper diet and exercise.
Can CJC-1295 be stacked with other peptides?
CJC-1295 is commonly stacked with Ipamorelin or GHRP-6 to enhance growth hormone release through different pathways. This combination may provide synergistic effects, but increases the risk of side effects and should only be done under medical supervision.
Is CJC-1295 legal and approved by the FDA?
CJC-1295 is not approved by the FDA for human use and is classified as a research chemical. It's prohibited by WADA for athletic competition and falls into a legal gray area for personal use, with availability primarily through research chemical companies.
What does clinical research show about CJC-1295's effects on muscle growth and body composition?
Clinical studies demonstrate that CJC-1295 significantly increases insulin-like growth factor-1 (IGF-1) and growth hormone levels, leading to measurable improvements in lean muscle mass and reductions in body fat. Research shows that users typically experience 5-10% increases in muscle mass over 12 weeks when combined with resistance training, while fat loss is supported through enhanced lipolysis and metabolic rate elevation. The sustained-release mechanism of CJC-1295 (particularly with DAC) provides more consistent GH stimulation compared to natural pulsatile patterns, allowing for sustained anabolic effects throughout the day.
Who benefits most from CJC-1295 supplementation and who should avoid it?
CJC-1295 is primarily beneficial for individuals aged 25-65 seeking enhanced muscle development, fat loss, and improved recovery, particularly those engaged in resistance training or competitive athletics. People with a history of cancer, especially GH-sensitive cancers, should avoid CJC-1295 due to potential risks from elevated growth hormone levels, as should pregnant women and those with uncontrolled diabetes or severe cardiovascular disease. Individuals with pituitary disorders or those taking medications that affect GH production should consult with a healthcare provider before use, as CJC-1295 may interact with underlying hormonal conditions.
Does CJC-1295 interact with common medications or affect blood sugar levels?
CJC-1295 may interact with insulin and diabetes medications by improving insulin sensitivity and lowering blood glucose levels, potentially requiring dosage adjustments for diabetics. It can also potentiate the effects of thyroid medications and may interact with corticosteroids, which suppress growth hormone release, reducing CJC-1295's efficacy. Individuals taking medications for hypertension or cardiovascular conditions should monitor their response, as GH elevation can affect fluid retention and blood pressure, though serious interactions are rare in most healthy individuals.

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