Muscle Building Stack (CJC-1295 + Ipamorelin + MK-677) dosing guide
A comprehensive growth hormone optimization stack combining CJC-1295 DAC (weekly GHRH), Ipamorelin (daily GHRP), and MK-677 (daily oral GH secretagogue). This triple-combination maximizes endogenous GH production through multiple pathways for enhanced muscle growth, recovery, and body composition.
Protein Synthesis
Anabolic peptides upregulate mTOR signaling for muscle fiber growth.
Quickstart Highlights
- Dosage: See individual components
- Frequency: Daily (peptides) + Daily (oral)
- Administration: Subcutaneous injection (peptides) + Oral (MK-677)
- Cycle length: 12-24 weeks
Dosing Plan
| Weeks | Dose | Units |
|---|---|---|
| Weeks 1–4 | CJC 1mg 2x/wk + Ipa 200mcg/night + MK 12.5mg | CJC: 50 units 2x/wk | Ipa: 8 units nightly |
| Weeks 5–12 | CJC 1mg 2x/wk + Ipa 300mcg/night + MK 25mg | CJC: 50 units 2x/wk | Ipa: 12 units nightly |
| Weeks 13–24 | Continue or adjust based on response | Monitor IGF-1 levels |
How to mix
- CJC-1295 DAC (2mg): Add 1mL BAC water → 2mg/mL (200mcg/0.1mL).
- Ipamorelin (5mg): Add 2mL BAC water → 2.5mg/mL (250mcg/0.1mL).
- Inject slowly, swirl gently.
- Label with date and concentration.
- Refrigerate at 2–8°C.
Syringe Math Reference
- CJC-1295 (2mg/mL): 1mg = 50 units, 500mcg = 25 units
- Ipamorelin (2.5mg/mL): 200mcg = 8 units, 250mcg = 10 units, 300mcg = 12 units
- MK-677: Take capsule orally (no reconstitution needed)
What you'll need
CJC-1295 DAC Vials (2mg)
- 4 weeks 2 vials
- 12 weeks 6 vials
Ipamorelin Vials (5mg)
- 4 weeks (200-300mcg/day) 2 vials
- 12 weeks 6-8 vials
MK-677 Capsules (25mg)
- 4 weeks 30 capsules
- 12 weeks 90 capsules
Insulin Syringes (U-100)
- 4 weeks 40 syringes
- 12 weeks 120 syringes
Bacteriostatic Water (10mL)
- 12 weeks 2-3 bottles
How This Works
This stack optimizes GH through three complementary mechanisms. CJC-1295 DAC provides sustained GHRH signaling over ~8 days. Ipamorelin triggers pulsatile GH release at bedtime through ghrelin receptor agonism. MK-677 (oral) continuously stimulates ghrelin receptors for baseline GH/IGF-1 elevation. Together, they create both sustained and pulsatile GH patterns for maximum anabolic signaling.
CJC-1295 DAC
2mg vialLong-acting GHRH analog with Drug Affinity Complex for extended GH release
Ipamorelin
5mg vialSelective GHRP for clean GH pulses without appetite/cortisol increase
MK-677 (Ibutamoren)
25mg capsulesOral GH secretagogue for sustained IGF-1 elevation
Mechanism of Action
How Muscle Works in Your Body
Peptide Administered
Enters bloodstream and reaches muscle tissue
mTOR Activation
Triggers the muscle protein synthesis pathway
Protein Synthesis
Cells ramp up production of new muscle fibers
Muscle Growth
Increased lean mass and faster recovery
Benefits & Side Effects
Potential Benefits
- Significantly elevated IGF-1 levels
- Enhanced muscle protein synthesis
- Accelerated recovery between workouts
- Improved sleep quality and depth
- Fat loss through GH-mediated lipolysis
- Better skin and hair quality (GH effects)
Potential Side Effects
- Water retention and bloating (MK-677)
- Increased appetite (MK-677)
- Numbness/tingling in extremities (elevated GH)
- Morning lethargy initially
- Potential blood sugar elevation
- Joint stiffness during loading phase
How to store it
- CJC-1295 DAC: More stable than no-DAC version; refrigerate reconstituted.
- Ipamorelin: Refrigerate; use within 3-4 weeks reconstituted.
- MK-677 capsules: Store at room temperature in cool, dry place.
Good to know
- CJC-1295 DAC has ~8-day half-life, so 2x weekly dosing is sufficient.
- Take Ipamorelin at bedtime to amplify natural GH pulse during sleep.
- MK-677 may cause increased appetite and water retention initially.
- MK-677 can affect blood sugar - monitor if prediabetic/diabetic.
- This stack synergistically boosts IGF-1 through multiple mechanisms.
- Best combined with resistance training and adequate protein intake.
Community Insights
Summarised from 4 sourcesA comprehensive growth hormone optimization stack combining CJC-1295 DAC (weekly GHRH), Ipamorelin (daily GHRP), and MK-677 (daily oral GH secretagogue). This triple-combination maximizes endogenous GH production through multiple pathways for enhanced muscle growth, recovery, and body composition. P
Common Dosages Reported
- See individual components Daily (peptides) + Daily (oral)
- Standard protocol dosing
Side Effects Mentioned
- Generally mild, individual variation expected
- See full guide for detailed safety info
Stacking Suggestions
- Consult research and healthcare provider before stacking
What people are saying
Results vary based on individual response
Consistent dosing and timing important
Reviews & Discussion
Real experiences shared by the community — not medical advice.
Stack Recommendation for Sustained Growth Hormone Release
A user recommended a combination of CJC-1295, Ipamorelin, and MK-677 as an effective regimen for muscle building and anti-aging. They suggested that while Ipamorelin and CJC-1295 are effective on their own, adding MK-677 provides a sustained growth hormone release throughout the day. The user noted that this stack is particularly useful for those who prefer to avoid the high costs or side effects associated with pharmaceutical-grade HGH.
Ipamorelin & CJC-1295 DAC Discussion
A user inquired about the combination of Ipamorelin and CJC-1295 DAC, specifically looking for information on its efficacy for muscle growth. While the user was seeking advice, the thread discussed the potential for increased growth hormone levels through this long-acting version of CJC.
CJC-1295 and Ipamorelin for Recovery
A user shared their experience with peptides for muscle building, suggesting that a stack including CJC-1295 and Ipamorelin provides a significant boost to recovery and sleep quality. They mentioned these peptides are best used as an addition to a solid training and nutrition foundation.
Ipamorelin and CJC-1295 (Mod-GRF) Log
A user documenting a log for Ipamorelin and CJC-1295 (Mod-GRF) noted that the combination is effective for growth hormone release. They emphasize the importance of using the Mod-GRF version of CJC-1295 rather than the DAC version for better pulsatile release.
MK-677 Blood Glucose Concerns and Comparisons
A user shared research data indicating that MK-677 can lead to significant increases in fasting blood glucose levels after four weeks of use. This prompted a discussion regarding the risk of developing diabetes and the necessity of monitoring blood sugar when using certain GH-stimulating compounds. The user also compared these effects to peptides like Ipamorelin, which are often cited for having fewer side effects.
CJC-1295 with DAC for Long-Cycle Support
A user discussed the potential of using CJC-1295 with DAC at 2mg per week as part of a TRT cruise and blast cycle. They noted that it is considered effective at this dosage, though they weighed the cost-effectiveness against other options like IGF-1 LR3 or GH. They highlighted the convenience of CJC-1295 with DAC's long half-life for once or twice weekly administration.
CJC-1295 (No DAC) + Ipamorelin Protocol for IGF-1 Increase
A 52-year-old user reported that a blend of 100mcg Mod GRF 1-29 and 100mcg Ipamorelin taken three times daily increased their IGF-1 levels from 227 ng/ml to 406 ng/ml. They experienced significant fat loss, improved musculature, and deep sleep with vivid dreams while on 200mg of Testosterone Cypionate. The user preferred this stack over MK-677 due to a lack of bloating, hunger, or tolerance issues.
Muscle Growth Cycle for Natural Bodybuilder
A 22-year-old natural bodybuilder planned a 9-11 week cycle including BPC-157 and other peptides to maximize muscle mass gains during a period of low lifestyle stress. They aimed to use the cycle to enhance an already optimized training and nutrition regimen before entering the workforce.
Ipamorelin and CJC-1295 for Body Composition and Sleep
A user shared their protocol for a growth hormone secretagogue stack consisting of Ipamorelin and CJC-1295 (no DAC). They noted popularity for this combination in achieving fat loss, muscle recovery, and improved sleep quality, while emphasizing the importance of fasted-state dosing at night.
Positive Long-term Feedback for Ipamorelin
A user mentioned that their wife utilizes Ipamorelin and is very satisfied with the results, though they noted it takes a considerable amount of time to begin working effectively.
Concerns Over MK-677 Side Effects
A user warned against the use of MK-677, claiming it causes a 'GH bleed' that can lead to significant bloating and potential issues with blood sugar regulation/diabetes. They suggested that Tesamorelin combined with Ipamorelin or direct HGH would be a safer alternative for growth hormone elevation.
Eye Pressure Side Effects from CJC and MK-677 Stack
A user reported experiencing significant eye pressure, described as being behind the eye, after using a combination of MK-677 and CJC-1295 with DAC for a month.
Comparison of Peptides to Direct HGH
A user suggested that direct HGH use was more effective and eliminated the various side effects they encountered while using MK-677 and CJC-1295 with DAC.
Long-term Benefits for Lean Mass and Energy
A user reported that the CJC-1295 and Ipamorelin combination works well for energy, lean mass, and overall performance, though it did not provide noticeable strength benefits. They emphasized that it requires a long-term commitment of 6 to 12 months to see significant results.
CJC-1295/Ipamorelin vs. MK-677 Pulses
A user noted that the combination of CJC-1295 and Ipamorelin provides a more natural way to elevate growth hormone compared to MK-677. They indicated that the shorter pulses generated by these peptides are beneficial because they do not lead to the desensitization of growth hormone receptors.
CJC-1295/Ipamorelin for Lean Muscle Assistance
An experienced user reported that stacking CJC-1295 and Ipamorelin with a light SARM like Ostarine is amazing for assisting with lean muscle growth. They characterized the combination of SARMs and peptides as a game changer and found this particular stack to be non-suppressive.
Peptide Stack with Low-Dose MK-677 for Appetite
A user outlined a muscle-building stack featuring CJC-1295 (DAC) and Ipamorelin alongside a low dose of MK-677. In this configuration, the MK-677 was used specifically at approximately 6mg to help maintain appetite and offset the effects of fat-loss peptides in the stack.
Enhanced Recovery and Muscle Fullness
A user experienced enhanced physical recovery, increased muscle fullness, and better skin quality while using MK-677. They noted that while they dealt with intense hunger cravings during the first week, these side effects eventually subsided.
Remarkable Improvements in Sleep and Well-being
A user reported that the combination of CJC-1295 and Ipamorelin significantly improved their overall well-being. They specifically highlighted a remarkable improvement in sleep quality, noting it was more effective than any other supplement they had tried, including melatonin.
Synergy of CJC, MK-677, and Ipamorelin
A user noted that CJC-1295 acts on different receptors than MK-677 and Ipamorelin, suggesting that it works synergistically with either of those compounds. They recommend choosing one or the other to pair with CJC for a cycle.
Stacking Experiences with Growth Hormone Secretagogues
A user shared their experience stacking all three compounds, noting that they work fine together but highlighting that the CJC/Ipamorelin combination is often potent enough on its own. They advised others to limit dosages if they decide to use all three simultaneously.
MK-677 Side Effects Report
A user reported a negative experience with MK-677, citing extreme water retention, lethargy, and bloating. While they enjoyed the physical fullness and muscle pumps, the side effects were significant enough to cause dissatisfaction with the compound.
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