Muscle & recovery · Sleep · Aging & longevity
CJC-1295, simplified.
Also called Modified GRF(1-29), often paired with ipamorelin
Human studiesA lab-made signal that nudges your body to release more growth hormone for days at a time.
- Size
- 29 amino acids
- How it is taken
- Injection
- Status
- Compounded only, not approved
What is it?
CJC-1295 is a modified version of the body’s growth-hormone-releasing signal (GHRH), built to last much longer in the blood.
What studies show
- In peopleIn small studies of healthy adults, one injection raised growth hormone levels several times over and kept IGF-1 higher for about a week or more.
What we don’t know yet
- Whether higher growth hormone from CJC-1295 builds muscle or improves health in real life.
- Long-term safety. Its drug development was stopped years ago.
Side effects and cautions
- Flushing, water retention and tingling are reported.
- Higher growth hormone can raise blood sugar.
- Banned in sport by WADA.
Is it legal?
Not FDA-approved. In 2026, HHS announced plans to let licensed compounding pharmacies make it with a prescription.
Common questions
What is CJC-1295?
A lab-made signal that nudges your body to release more growth hormone for days at a time. CJC-1295 is a modified version of the body’s growth-hormone-releasing signal (GHRH), built to last much longer in the blood.
What does the research say about CJC-1295?
In small studies of healthy adults, one injection raised growth hormone levels several times over and kept IGF-1 higher for about a week or more.
Is CJC-1295 FDA approved?
Not FDA-approved. In 2026, HHS announced plans to let licensed compounding pharmacies make it with a prescription.
What are the side effects of CJC-1295?
Flushing, water retention and tingling are reported. Higher growth hormone can raise blood sugar. Banned in sport by WADA.
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