At a Glance
Quickcomparison
Dose Range
Ipamorelin
100–300 mcg
CJC-1295 (No DAC)
Frequency
Multiple times daily
Once 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 Selectivity
Recovery Support
Safety Profile
GH Stimulation
Sleep Quality
Technical Data
Compoundspecifications
Molecular Formula
C38H49N9O5
Molecular Weight
711.85 g/mol
Half-Life
2 hours
Bioavailability
High when injected subcutaneously
CAS Number
170851-70-4
C152H252N44O42
3367.9 g/mol
30 minutes to 2 hours
~100% (subcutaneous)
863288-34-0
Protocols
Dosingtiers
starting
100 mcg per injection
2-3 times daily
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.
standard
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].
advanced
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].
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]
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]
A higher-frequency plan used by experienced users to mimic natural GH pulses across the day, each dose taken fasted. [1]
Applications
Bestsuited for
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.
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.
Sideeffects
Common
Mild headache
Injection site reactions
Water retention
Increased appetite
Uncommon
Tingling in hands or feet
Joint stiffness
Serious
Allergic reaction
Flushing or warmth
Tingling or numbness
Headache
Research Status
Safety& evidence
FDA Status
Research compound
Safety Overview
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.
Contraindications
xActive cancer or history of cancer
xPregnancy or breastfeeding
xPituitary disorders or tumors
xKnown allergy to peptide components
xChildren and adolescents (growth plates still open)
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.
xPituitary tumors or disorders
xHypersensitivity to GHRH analogs
xDiabetic retinopathy
Decision Guide
Which isright for you?
Choose Ipamorelin if...
Muscle recovery and growth
Anti-aging and vitality
Body composition improvement
Sleep quality enhancement
Choose CJC-1295 (No DAC) if...
Increasing natural growth hormone levels
Building lean muscle mass
Improving sleep quality
Enhancing workout recovery