Maximum muscle growth through GH and growth factor pathways
Protein Synthesis
Anabolic peptides upregulate mTOR signaling for muscle fiber growth.
Quickstart Highlights
- Dosage: IGF-1 LR3 40mcg + CJC/Ipa 300mcg + MK-677 20mg
- Frequency: IGF post-workout, CJC/Ipa 2x daily, MK-677 daily
- Administration: Subcutaneous + Oral
- Cycle length: IGF 4-6 weeks, others 12-16 weeks
How This Works
IGF-1 LR3
40mcgCJC/Ipa
300mcgMK-677
20mgMechanism 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
- Muscle hypertrophy
- GH elevation
- Recovery
- Strength
Quick notes
Cycle IGF-1 LR3 4 weeks on, 4 off. Watch for hypoglycemia with IGF
Community Insights
Summarised from 3 sourcesMaximum muscle growth through GH and growth factor pathways Cycle IGF-1 LR3 4 weeks on, 4 off. Watch for hypoglycemia with IGF
Common Dosages Reported
- IGF-1 LR3 40mcg + CJC/Ipa 300mcg + MK-677 20mg IGF post-workout, CJC/Ipa 2x daily, MK-677 daily
- 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.
Theoretical Cortexin and IGF-1 LR3 Stack
A user inquired about a potential stack combining the nootropic peptide Cortexin with IGF-1 LR3, though the thread primarily focused on theoretical synergies rather than a completed experience report. The discussion touched on the potential for IGF-1 to support neural health alongside muscle growth.
Pepti-Plex and PA-XT Stack for Hypertrophy
A user recommended stacking Pepti-Plex with PA-XT for muscle growth, highlighting Pepti-Plex's use of AI-discovered peptides (PeptiStrong) to support lean muscle, strength, and recovery. The user indicated they were currently running this combination for hypertrophy and strength benefits.
Follidrone and Vector for Natural Gains
A user identified Follidrone and Vector as their personal favorite natural anabolic supplements for building muscle. They noted both products are reputable options for users looking to avoid traditional PEDs while still gaining size.
Success with Natural Muscle Builders (Anabeta Elite, BMP 2.0)
A user reported positive past experiences with natural muscle builders like Anabeta Elite, MassMax XT, and BMP 2.0. They noted that these supplements successfully helped increase size, strength, and physique tightness.
BPC-157 Stack for Summer Muscle Growth
A 22-year-old natural bodybuilder planned a 9-11 week summer cycle featuring BPC-157 at 150mcg as part of a stack to maximize muscle mass. The user intended to leverage a period of low stress and optimal hormones to push their physical limits before entering the workforce.
Injection Site Rotation Advice
A beginner on their first cycle inquired about the safety of rotating injection sites to include the pecs and lats. Experienced forum members advised sticking to delts and glutes for now, suggesting that additional sites are generally only necessary for those injecting high volumes frequently.
EQ Stack for Lean Muscle Gains
A member recommended stacking 600mg of Boldenone (EQ) per week for 24 weeks alongside Testosterone and Trenbolone for a lean bulk. They noted it effectively adds muscle and vascularity without water retention, though they cautioned that it requires higher testosterone doses to avoid crashing estrogen levels.
Back Pumps and Water Retention on Mass Cycle
A user documenting a 'Critical Mass' cycle reported experiencing minor back pumps after deadlifts during week five. They suspect the pumps are due to excess water retention and high E2 levels, which they are monitoring through blood tests.
Test and Tren Recomp Experience
A user shared their experience with a cycle of 500mg Test and 400mg Tren per week for 12 weeks, noting it resulted in their best physique ever. While blood work remained healthy and PCT was successful, they did experience an increase in blood pressure during the cycle.
LGD-4033 and MK-677 Bulking Stack
A user recommended stacking LGD-4033 or RAD-140 with MK-677 as an effective option for those looking to gain mass and bulk. They specifically highlighted LGD-4033 as being highly effective for significant weight gain.
SARM and GLP-1 Combination Challenges
A user suggested that combining SARMs with GLP-1 agonists can be challenging for muscle growth due to appetite suppression. They noted that the GLP-1 makes it difficult to consume the calories necessary to support lean mass development while burning fat.
RAD-150 Beginner Cycle Gains
A user reported significant success using RAD-150 for a seven-week beginner cycle. They described experiencing rapid muscle growth and feeling exceptionally strong throughout the duration of the stack.
Foundation Stack with MK-677
A user recommended a foundational stack of creatine, vitamin D, and fish oil for hypertrophy. They noted that MK-677 can make a significant difference for individuals with a thin physique.
Positive muscle and skin results from CJC-1295/Ipamorelin stack
A user who utilized a CJC-1295 and Ipamorelin stack over a long period reported significant positive outcomes, including increased muscle mass and strength gains. They also noted improved skin quality and a lack of visceral fat accumulation during the cycle.
Inquiry regarding recovery-based muscle gains via Wolverine stack
A user inquired about the feasibility of using a BPC-157 and TB-500 'Wolverine' stack to enable high-frequency strength training. They theorized that the healing properties of these peptides could minimize recovery time between sessions, potentially leading to faster muscle gains.
IGF-1 LR3 and Cortexin Stack Inquiry
A user inquired about the efficacy and safety of combining IGF-1 LR3 with Cortexin, specifically interested in whether this stack would provide synergistic benefits for brain health and cognitive enhancement. The discussion focused on the potential for IGF-1 to support neuronal growth while using Cortexin as a neuroprotective agent.
Success with Anabeta Elite and BMP 2.0
A user reported past success with natural anabolic supplements like Anabeta Elite and MassMax XT, which effectively increased their size and strength. They also used BMP 2.0, which they noted helped tighten their physique.
SNS PA-XT and Pepti-Plex Stack
A user recommended a muscle-building stack consisting of SNS PA-XT and Pepti-Plex. They highlighted Pepti-Plex as a next-generation natural anabolic containing AI-discovered peptides for improved lean muscle, strength, and recovery.
BLR Follidrone and Vector Favorites
A forum member identified Follidrone and Vector as their personal favorite natural muscle-building supplements. They also noted that other products like Anabolic Effect and Recomp20 have high reputations within the community for physique enhancement.
Summer Muscle Growth Peptide Cycle
A 22-year-old natural bodybuilder planned a 9-11 week cycle including 150mcg of BPC-157 to maximize muscle gains. The user aimed to leverage their young physiological state and a low-stress environment to optimize the results of this peptide stack.
Successful Recomp with Test and Tren Stack
A user reported achieving their best physique by running 400mg of Trenbolone and 500mg of Testosterone weekly for 12 weeks. While blood work was healthy, they noted that blood pressure began to rise toward the end of the cycle, prompting a dosage reduction.
Equipoise for Lean Muscle Gains
A member recommended stacking 600mg of Equipoise (EQ) weekly for a 24-week lean bulk or recomp cycle. They noted EQ provides muscle gains and vascularity without water retention, though it requires monitoring blood pressure and potentially increasing Testosterone to avoid crashing estrogen.
Progress and Side Effects on 'Critical Mass' Cycle
A user in the fifth week of a muscle-building cycle reported solid training progress and significant strength increases, including personal records on lat exercises. They experienced minor back pumps after deadlifts and noted that prolactin levels and water retention were creeping upward, requiring monitoring of estrogen levels.
RAD-150 Beginner Cycle Results
A user reported significant success using RAD-150 for a seven-week beginner cycle. They described experiencing "monster gains" and feeling significantly stronger during the process.
Stacking SARMs and GLP-1 for Lean Mass
A user shared that combining SARMs with GLP-1 agonists can be effective for lean mass, though they cautioned that the appetite suppression from the GLP-1 peptide makes it difficult to consume enough calories for significant muscle growth.
Mass Gaining Stacks with MK-677
A user recommended combining LGD-4033 with the growth hormone secretagogue MK-677 as an effective cycle for gaining significant muscle mass and bulking. They also suggested RAD-140 and MK-677 as a milder alternative for those hesitant about stronger compounds.
Basic Hypertrophy and MK-677 Stack
A user suggested a foundation of creatine, vitamin D, and fish oil for muscle hypertrophy. They specifically noted that MK-677 can make a significant difference for individuals with a skinny build.
BPC-157 and TB-500 for Recovery and Frequency
A user inquired about the feasibility of using a 'Wolverine Stack' (BPC-157 and TB-500) to increase training frequency to once or twice daily. They theorized that the accelerated healing properties of these peptides could lead to superior muscle gains over time by allowing for more intense and frequent strength training sessions.
CJC-1295/Ipamorelin for Muscle and Skin
A user reported significant benefits from a long-term CJC-1295 and Ipamorelin stack, noting improvements in skin quality, increased strength, and measurable muscle mass gains. They also highlighted the stack's effectiveness in preventing the accumulation of visceral fat commonly associated with higher growth hormone dosages.
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