CJC-1295 + Ipamorelin Blend

Human Research

CJC-1295 + Ipamorelin Blend

The classic GH optimization stack. CJC-1295 triggers GH release while Ipamorelin amplifies it - together creating synergistic and sustained GH elevation.

SubQ injectionGrowth HormoneBody CompositionAnti-Aging

Dose

CJC-1295: 100mcg - 500mcg; Ipamorelin: 100mcg - 500mcg

Route

SubQ injection

Cycle

8-12 weeks

Storage

Refrigerated (2-8°C / 36-46°F) away from light

What is CJC-1295 + Ipamorelin Blend?

The CJC-1295 + Ipamorelin blend represents a widely discussed research protocol leveraging the synergistic action of a Growth Hormone-Releasing Hormone (GHRH) analog and a Growth Hormone Releasing Peptide (GHRP). CJC-1295 (with DAC) is a long-acting synthetic analog of GHRH, designed to stimulate sustained growth hormone (GH) release by binding to specific receptors in the pituitary gland. Ipamorelin, a selective GHRP, acts through a different mechanism by binding to the ghrelin receptor, further stimulating GH secretion and amplifying the pulsatile release of GH. The combination aims to mimic the natural pulsatile release of GH, leading to elevated and sustained GH levels without significantly increasing prolactin or cortisol, unlike some other GHRPs.

Key Benefits

  • Synergistic GH release
  • Improved body composition
  • Enhanced recovery
  • Better sleep
  • Fat reduction
  • Lean muscle support

Mechanism of Action

  • GHRH (CJC-1295) + GHRP (Ipamorelin) synergy
  • GHRH primes pituitary
  • GHRP triggers release
  • Results in amplified GH pulse

Best For

  • GH optimization research
  • Body composition
  • Anti-aging
  • Beginners to GH peptides

Body Systems

EndocrineMusculoskeletalMetabolic

🐾 Griffin Says...

This is the starter GH stack for a reason. CJC-1295 and Ipamorelin work through different but complementary mechanisms, so together they produce more GH than either alone. Classic combination. Often the first GH peptide stack researchers try.

Molecular Information

Molecular weight

CJC-1295 (DAC): 4356.9 g/mol; Ipamorelin: 711.85 g/mol

Length

CJC-1295 (DAC): 30 amino acids; Ipamorelin: 5 amino acids

Type

Growth Hormone-Releasing Hormone (GHRH) analog + Growth Hormone Releasing Peptide (GHRP)

Amino acid sequence

CJC-1295 (DAC): H-Tyr-D-Ala-Asp-Ala-Ile-Phe-Thr-Gln-Ser-Tyr-Arg-Lys-Val-Leu-Ala-Gln-Leu-Ser-Ala-Arg-Lys-Leu-Leu-Gln-Asp-Ile-Leu-Ser-Arg-Lys(Maleimidopropionic acid)-NH2; Ipamorelin: Aib-His-D-2-Nal-D-Phe-Lys-NH2

CJC-1295 with Drug Affinity Complex (DAC) is a modified version of GHRH(1-29) that prolongs its half-life by binding to albumin. Ipamorelin is a selective growth hormone secretagogue.

Pharmacokinetics

Time to peak

CJC-1295 (DAC): 2-6 hours; Ipamorelin: 15-30 minutes

Half-life

168 h

Time to clear

CJC-1295 (DAC): Approximately 7 days; Ipamorelin: Approximately 2 hours

DoseEstimated plasma concentration720 h

Thorner, M. O., et al. (2009). Prolonged pharmacokinetic and pharmacodynamic profiles of CJC-1295, a long-acting growth hormone-releasing peptide, in healthy adults. Journal of Clinical Endocrinology & Metabolism, 94(2), 589-597. / Sinha, S. P., et al. (2015). A comprehensive review on growth hormone secretagogues. Indian Journal of Endocrinology and Metabolism, 19(5), 629-635.

Research Indications

  • Synergistic GH Release

    Research indicates that the combination of a GHRH analog (CJC-1295) and a GHRP (Ipamorelin) results in a significantly amplified and more sustained pulsatile release of endogenous growth hormone compared to either compound alone.

  • Mimicking Natural GH Pulsatility

    The blend is commonly discussed for its ability to promote GH secretion in a more physiological manner, avoiding the flatlining effect sometimes observed with exogenous GH administration.

Research Protocols

GoalDoseFrequencyRoute
General GH Optimization & Anti-AgingCJC-1295: 100mcg; Ipamorelin: 100mcgOnce daily before bedSubcutaneous injection
Enhanced Body Composition (Fat Loss / Lean Mass Support)CJC-1295: 100mcg - 200mcg; Ipamorelin: 100mcg - 200mcgTwice daily (morning and before bed) or three times daily (morning, post-workout, before bed)Subcutaneous injection
Intensive Recovery ProtocolsCJC-1295: 150mcg - 200mcg; Ipamorelin: 150mcg - 200mcgTwice daily (post-workout and before bed)Subcutaneous injection
Higher-Dose Body CompositionCJC-1295: 250mcg; Ipamorelin: 250mcgTwice daily (morning and before bed)Subcutaneous injection

Timing is crucial to maximize the natural pulsatile release of growth hormone, particularly before sleep when natural GH release is highest, and potentially post-workout to support recovery.

Peptide Interactions

  • Exogenous Growth Hormone (HGH)

    Combining GHRPs/GHRHs with exogenous HGH is generally not recommended in research protocols as it can lead to supraphysiological GH levels and potentially increase side effects. The blend's purpose is to stimulate endogenous GH.

    Use Caution
  • Somatostatin (Growth Hormone-Inhibiting Hormone)

    Somatostatin directly inhibits GH release. Agents that increase somatostatin activity would counteract the effects of CJC-1295 + Ipamorelin.

    Avoid
  • Glucocorticoids (e.g., Dexamethasone)

    Glucocorticoids can suppress GH secretion. While not a direct contraindication, their use might diminish the effectiveness of the peptide blend, requiring careful monitoring in research.

    Monitor Combination
  • Insulin

    Both GH and insulin affect glucose metabolism. While not a direct interaction in terms of peptide binding, concurrent use may necessitate careful monitoring of blood glucose levels, especially in individuals with metabolic sensitivities.

    Monitor Combination
  • Thyroid Hormones

    No direct antagonistic interactions are commonly reported in research, and thyroid function is important for overall metabolism which GH influences. Compatible in research settings.

    Compatible

How to Reconstitute

  1. 1Gather supplies: Peptide vial, bacteriostatic water (diluent), sterile syringe (e.g., insulin syringe), alcohol wipes.
  2. 2Remove the plastic cap from the peptide vial to expose the rubber stopper. Wipe the rubber stopper with an alcohol wipe.
  3. 3Draw the desired amount of bacteriostatic water into the syringe. A common ratio is 1ml (100 units on an insulin syringe) per 2mg of peptide, but this can vary.
  4. 4Slowly inject the bacteriostatic water into the peptide vial, aiming for the side of the vial, not directly onto the lyophilized powder.
  5. 5Do NOT shake the vial. Gently swirl the vial or roll it between your palms to encourage the peptide to dissolve. This may take a few minutes.
  6. 6Once fully dissolved, the solution should be clear. If any particles remain, continue swirling gently until completely dissolved.

Always handle peptides with sterile technique. Ensure all components (vial, syringe, diluent) are sterile.

What to Expect

  • Weeks 1-4: May observe initial improvements in sleep quality, mood, and potentially increased energy levels. Some researchers report subtle improvements in recovery.
  • Weeks 4-8: More noticeable effects on body composition may begin, such as slight reductions in fat mass and improved muscle tone. Enhanced recovery from physical activity is commonly discussed.
  • Weeks 8-12: Peak benefits in body composition, including further fat reduction and lean muscle support, are often reported. Skin elasticity and overall vitality may show improvements.
  • Beyond 12 weeks (if research protocols extend): Continued benefits may be observed, but some researchers suggest cycling for optimal response and to prevent potential desensitization.
  • Throughout the cycle: Consistent improvements in exercise performance, endurance, and overall well-being are frequently cited in research contexts.

Side Effects & Safety

EffectFrequencySeverity
Water retentionCommonMild
Increased appetiteUncommonMild
Tingling/numbnessUncommonMild

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Peptides discussed here are for research purposes only. Nothing on this page is medical advice. Always consult a qualified professional before making health decisions.