IN THIS LESSON
A GHRH analog studied in research for its effect on growth-hormone release. Status: Research use only — not FDA-approved.
This page is for education and does not provide medical advice, diagnosis, treatment, or a recommendation to buy or use any product. The compound described may not be approved by the FDA for human use. Approval status and regulations change; information is current as of this page's last update. Time Kapsule provides only supervised, FDA-approved protocols and does not sell, supply, or endorse research-use-only peptides. Consult a licensed clinician before considering any therapy.
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Growth Hormone (GH) plays a central role in:
Fat metabolism (especially visceral fat loss)
Muscle maintenance and repair
Deep sleep
Bone density
Skin elasticity and collagen production
Recovery from injury and workouts
Cognitive health and neuroprotection
Insulin sensitivity and metabolic health
Unfortunately, GH levels naturally decline with age — often dropping by 50% or more between ages 30 and 60. That’s where peptides like CJC-1295 come in play.
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CJC-1295 without DAC is commonly researched by:
Adults 35+ seeking GH restoration
Those pursuing fat loss, especially belly fat
Athletes and weekend warriors recovering from injury
Biohackers interested in longevity and optimization
Researchers with poor sleep, fatigue, or slow recovery
Anyone needing improved body composition and performance
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CJC-1295 without DAC
CJC-1295 with DAC
In its first form, CJC-1295 mimics the natural 44-amino acid GHRH but is modified to resist enzymatic breakdown and increase stability. But adding a Drug Affinity Complex (DAC) further alters its properties—dramatically.
DAC stands for Drug Affinity Complex; a molecular structure added to a peptide to prolong its half-life. In the case of CJC-1295, DAC binds to albumin in the blood, preventing rapid breakdown and extending the time it remains active in the body
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CJC-1295 without DAC is also referred to as Mod GRF (1-29). This form has a shorter half-life of about 30 minutes, meaning it mimics the body’s natural pulsatile release of GHRH.
CJC-1295 binds to GHRH receptors in the anterior pituitary, stimulating a brief but potent release of growth hormone. When paired with a GH-releasing peptide (GHRP) such as Ipamorelin, the signal is amplified through a dual-pathway mechanism.
This burst of GH:
· Triggers fat breakdown (lipolysis)
· Stimulates IGF-1 production by the liver
· Enhances protein synthesis and tissue repair
· Promotes better sleep and cognitive clarity
Because it’s pulsed — not constant — the body avoids receptor downregulation and maintains feedback sensitivity.
Key Benefits:
More physiological growth hormone pulses
Reduced risk of side effects
Often used in combination with GHRP peptides (like Ipamorelin or GHRP-2) for synergistic release
Flexible dosing (often 5 days/week)
Half-Life: ~30 minutes to 2 hours, depending on formulation and injection site.
CJC-1295 without DAC comes in 10mg vials. Here’s how to properly reconstitute and use it.
Reconstitution:
Add 2mL of sterile or bacteriostatic water to the 10mg vial
This results in a concentration of 0.5mg (10 units) per 0.2mL
Standard dosing
Inject 0.5mg (10 units) SQ
5 days per week, take 2 days off
Best taken at night or in a fasted state
Cycle Duration:
Continue for up to 90 consecutive days
Take at least 1 month off before starting another cycle
This cycling supports hormonal sensitivity and long-term efficacy.
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More natural GH rhythm
Less receptor desensitization
Better synergy with other peptides
Fewer sustained elevation side effects
It simply aligns better with the body’s natural signaling systems — and in functional medicine, mimicking physiology always wins
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CJC-1295 without DAC is generally well tolerated. Some potential side effects may include:
Mild injection site irritation
Temporary water retention (rare)
Increased hunger (via IGF-1 signaling)
Vivid dreams (due to improved deep sleep)
Fatigue or lethargy if overdosed
Caution: Do not use with active or suspected cancer, as GH and IGF-1 can stimulate cell growth
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When CJC-1295 is formulated with DAC, its half-life extends up to 8 days, allowing for once-a-week dosing. While this seems convenient, the constant GH stimulation it causes is not physiologic.
Potential Problems:
GH secretion remains elevated for prolonged periods, which can lead to receptor downregulation
Side effects such as flushing, water retention, tingling, and lethargy are more common
Harder to titrate or reverse if side effects occur
Mimics a chronic GH elevation, which the body doesn't naturally do
Half-Life: ~6–8 days due to DAC-albumin binding.

