CJC-1295 + Ipamorelin
Gold standard GH optimization combination providing sustained growth hormone elevation
Clinical Research Score: 4/5 — Both components have human pharmacology studies confirming growth-hormone effects, though the combination isn't FDA-approved.
Categories: Hormonal Support, Performance & Energy, Anti-Aging / Longevity
What is CJC-1295 + Ipamorelin?
CJC-1295 + Ipamorelin is the undisputed gold standard for growth hormone optimization. It's the combination that virtually every experienced practitioner recommends as the starting point for GH therapy, and it remains the most popular GH protocol in the peptide community for good reason.
The results are consistent and well-documented. Sleep improves dramatically — deep, restorative, dream-filled sleep that leaves you feeling genuinely recharged. Body composition shifts progressively: lean muscle builds while stubborn fat recedes. Skin takes on a healthier, more youthful quality. Recovery from exercise accelerates. Energy increases without any stimulant-like jitteriness.
What makes this combination exceptional is the synergy and the tolerability. CJC-1295 provides the sustained GH elevation, while Ipamorelin triggers clean, selective GH pulses — together producing 3-5 times more GH release than either alone. And because Ipamorelin is so selective, the combination avoids the hunger, cortisol spikes, and hormonal disruption that other GH protocols can cause. It's powerful, clean, and sustainable long-term.
How CJC-1295 + Ipamorelin works
The synergy works because the two peptides activate complementary pathways. CJC-1295 (a GHRH analog) provides sustained activation of GHRH receptors, which amplifies the pituitary's GH-releasing capacity and elevates baseline growth hormone. Ipamorelin (a ghrelin mimetic) triggers acute GH pulses through the GHSR with high selectivity, meaning it releases GH without touching cortisol, prolactin, or aldosterone. Together, the amplified capacity (CJC) meets the precise trigger (Ipamorelin), producing GH levels 3-5x greater than either peptide alone — all while maintaining an exceptionally clean side-effect profile.
Scientific overview
CJC-1295 + Ipamorelin is the most widely used growth hormone secretagogue combination. CJC-1295 (Modified GRF 1-29, without DAC) is a GHRH analog that stimulates the pituitary to release growth hormone through the GHRH receptor, while Ipamorelin is a selective ghrelin mimetic that triggers GH release through the GHSR. Together they produce synergistic GH pulses — GHRH amplifies the signal while the GHRP triggers the release — resulting in GH levels 3-5x greater than either alone.
Dosing
- Starting dose: CJC: 100 mcg + Ipa: 100 mcg per dose
- Common dosage range: CJC: 100-300 mcg + Ipa: 200-300 mcg per dose
- Administration: Subcutaneous
- Half-life: CJC: ~30 min, Ipa: ~2 hours
- Frequency: 1-3x daily (before bed optimal)