At a Glance
Quickcomparison
Dose Range
CJC-1295 (No DAC)
100–300 mcg
Ipamorelin
Frequency
Once daily
Multiple times daily
Administration
Subcutaneous injection
Cycle Length
8-12 weeks
Onset Speed
Moderate (1-2 weeks)
Evidence Level
Moderate human trials (Phase 1-2)
Efficacy
Benefitratings
GH Stimulation
Sleep Quality
Recovery Support
GH Selectivity
Safety Profile
Technical Data
Compoundspecifications
Molecular Formula
C152H252N44O42
Molecular Weight
3367.9 g/mol
Half-Life
30 minutes to 2 hours
Bioavailability
~100% (subcutaneous)
CAS Number
863288-34-0
C38H49N9O5
711.85 g/mol
2 hours
High when injected subcutaneously
170851-70-4
Protocols
Dosingtiers
starting
100 mcg
Once daily, 30 minutes before bed
2-4 weeks
A common starting dose used in research practice. Because the no-DAC form is short-acting (about 30 minute half-life), it is injected on an empty stomach for the best growth-hormone pulse. [1]
standard
100 mcg per dose
1-2 times daily
The typical maintenance dose used in practice, often given before bed and/or after fasted exercise. Frequently paired with a GH-releasing peptide. [1]
advanced
2-3 times daily
A higher-frequency plan used by experienced users to mimic natural GH pulses across the day, each dose taken fasted. [1]
100 mcg per injection
4-8 weeks
Conservative entry dose; Ipamorelin is a selective GH secretagogue with a ~2 hour half-life, so doses are split through the day [1][2]. Used in research and practice to assess tolerance before titrating up.
200 mcg per injection
Most commonly cited research/practice dose; gives a meaningful pulsatile GH release without raising cortisol or prolactin at standard doses [1][2].
300 mcg per injection
3 times daily
Upper end of the commonly used range; total daily exposure split across three injections. Used in practice by experienced users [1].
Applications
Bestsuited for
Natural Growth Hormone Optimization
Perfect for those wanting to boost their body's own GH production rather than using synthetic growth hormone. Mimics the natural pulsatile release pattern your pituitary uses.
Workout Recovery and Muscle Building
Athletes and fitness enthusiasts use it to accelerate recovery between training sessions, support lean muscle development, and reduce body fat over time.
Sleep Quality Enhancement
Because GH is naturally released during deep sleep, many users report dramatically improved sleep quality with more vivid dreams and feeling more refreshed upon waking.
Anti-Aging and Vitality
As GH levels decline with age, CJC-1295 helps restore more youthful hormone patterns, potentially improving skin quality, energy levels, and overall well-being.
Synergistic Peptide Stacking
Designed to work hand-in-hand with GHRPs like Ipamorelin. When combined, these peptides amplify each other's effects for significantly greater GH release than either alone.
Clean GH Boost Seekers
If you want the benefits of increased growth hormone without spiking cortisol or other stress hormones, Ipamorelin is uniquely selective. Unlike GHRP-2 or GHRP-6, it won't raise your cortisol levels even at doses 200 times higher than needed for GH release.
Recovery-Focused Athletes
Ipamorelin shines for athletes who want better recovery between training sessions. The GH boost helps repair muscle tissue faster, and since it doesn't mess with other hormones, you can use it consistently without the rollercoaster effects.
Anti-Aging Enthusiasts
Growth hormone naturally declines as we age, contributing to muscle loss, fat gain, and reduced vitality. Ipamorelin offers a gentle way to restore more youthful GH levels without the risks of actual HGH therapy.
Those Recovering from Steroid Use
Research shows Ipamorelin can help counteract the muscle and bone-weakening effects of glucocorticoid medications. If you've been on steroids for medical reasons, this peptide may help you rebuild what you've lost.
Sideeffects
Common
Injection site reactions
Flushing or warmth
Water retention
Increased appetite
Uncommon
Tingling or numbness
Headache
Serious
Allergic reaction
Mild headache
Tingling in hands or feet
Joint stiffness
Research Status
Safety& evidence
FDA Status
Research compound
Safety Overview
CJC-1295 without DAC has been studied in Phase 1-2 human clinical trials with a favorable safety profile. The most common side effects are mild and include injection site reactions and temporary flushing. Because it stimulates natural GH release rather than providing exogenous GH, it maintains the body's feedback mechanisms.
Contraindications
xActive cancer or history of cancer
xPregnancy or breastfeeding
xPituitary tumors or disorders
xHypersensitivity to GHRH analogs
xDiabetic retinopathy
Ipamorelin has shown a favorable safety profile in both animal and human studies. What makes it stand out is its remarkable selectivity—it releases growth hormone without significantly affecting cortisol, ACTH, or other hormones. In clinical trials, it was well-tolerated with mostly mild, temporary side effects. Phase 2 trials in patients recovering from surgery showed no significant safety concerns compared to placebo.
xPituitary disorders or tumors
xKnown allergy to peptide components
xChildren and adolescents (growth plates still open)
Decision Guide
Which isright for you?
Choose CJC-1295 (No DAC) if...
Increasing natural growth hormone levels
Building lean muscle mass
Improving sleep quality
Enhancing workout recovery
Choose Ipamorelin if...
Muscle recovery and growth
Anti-aging and vitality
Body composition improvement
Sleep quality enhancement