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DISCLAIMER: This product is strictly for research use only. It is meant solely for laboratory testing and in vitro studies-not for use in or on humans or animals. All details provided on this site are for educational purposes. This item is not intended to be used as a drug, supplement, or cosmetic, and must not be misrepresented as such.

IGF-1LR3 + GHRP-6 (Blend)

IGF-1LR3 + GHRP-6 (Blend)

IGF-1 LR3 and GHRP-6 are often combined in research to promote muscle growth and recovery by activating both direct anabolic pathways through IGF-1 and indirect GH-driven mechanisms via ghrelin receptor stimulation.

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All peptides arrive in powdered form for stability.

Third-Party Verified Purity
Third-Party Verified Purity

Each batch is tested and certified to meet or exceed 99% purity standards.

Made in the USA
Made in the USA

Produced in United States WHO/GMP and ISO 9001:2015 certified facilities.

Rigorous Quality Control
Rigorous Quality Control

Double-tested to ensure the highest quality for the most effective research.

What is IGF-1LR3 + GHRP-6 (Blend)?

IGF-1 LR3 (Long Arg3 Insulin-Like Growth Factor-1) is a synthetic, extended half-life analog of human IGF-1, a hormone that plays a critical role in muscle growth, repair, and cellular regeneration. The LR3 modification extends IGF-1’s active window from minutes to over 20 hours, enhancing its potential biological effects. GHRP-6 (Growth Hormone Releasing Peptide-6) is a synthetic hexapeptide that stimulates the release of growth hormone (GH) by activating ghrelin receptors. In research settings, combining IGF-1 LR3 and GHRP-6 may influence both direct anabolic signaling (via IGF-1) and indirect anabolic effects through increased GH and IGF-1 production.


Potential Benefits Shown in Studies

  • Enhanced Muscle Growth & Recovery
  • Prolonged Anabolic Signaling Window
  • Synergistic GH and IGF‑1 Elevation
  • Improved Cellular Repair & Regeneration
  • Increased Appetite & Nutrient Intake Support

Mechanisms of Action

IGF-1 LR3 + GHRP-6 may work together by:

  • IGF-1 LR3: Binding to IGF-1 receptors in muscle and connective tissue to stimulate protein synthesis and promote cell growth
  • GHRP-6: Activating ghrelin receptors (GHS-R1a) to trigger GH release from the pituitary, which in turn increases natural IGF-1 production
  • Enhancing satellite cell activation in muscle tissue, supporting repair and hypertrophy
  • Promoting collagen production and connective tissue recovery in research models
  • Supporting nutrient partitioning, potentially improving muscle-to-fat ratio
  • Providing both immediate (LR3) and secondary (GH-mediated) IGF-1 pathways for tissue growth and regeneration

Molecular Structure of Blend Components

IGF-1 LR3 molecular structure

IGF-1 LR3 Sequence

MFPAMPLSSL FVNGPRTLCG AELVDALQFV CGDRGFYFNK PTGYGSSSRR APQTGIVDEC CFRSCDLRRL EMYCAPLKPA KSA

Molecular Properties

Formula

C₄₀₀H₆₂₅N₁₁₁O₁₁₅S₆

Weight

~9,111.00 g/mol

Source
PubChem

Note: This version has a substitution of Arg (R) at position 3 and an extended N-terminal peptide chain.

Learn more about IGF-1 LR3

IGF-1LR3 + GHRP-6 (Blend) Research Highlights

IGF‑1 LR3 features an arginine substitution at position 3 and a 13-amino-acid N‑terminal extension, making it approximately three times more potent than native IGF‑1, with a significantly longer circulating half-life of ~20–30 hours.

Source: wikipedia

IGF‑1 LR3 is widely used in lab models for studying cell proliferation, metabolic regulation, stem cell maintenance, and tissue regeneration due to its long-lasting bioactivity.

Source: tydes

Learn more about IGF-1 LR3
Disclaimer: IGF-1 LR3 and GHRP-6 are not FDA-approved for combined therapeutic use and are classified as research peptides. This content is intended for educational and informational purposes only.

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