Growth Hormone Secretion

IGF-1 LR3

IGF-1 LR3 is a modified version of Insulin-like Growth Factor 1 with an extended half-life, researched for muscle growth and cellular proliferation.

Research Only

Quick Facts

Primary Category
Growth Hormone Secretion
Availability
Research Only
Research Notes
Long-acting IGF variant; significant muscle research interest.

Research Overview & Mechanisms

Long-acting IGF-1 variant that promotes cellular growth, muscle hypertrophy, and may have enhanced tissue-specific effects.

Reported Research Benefits

Muscle growth research
Cellular proliferation
Recovery

Category Classification

Primary Category

Growth Hormone Secretion

Peptides that stimulate or support growth hormone release, including GHRH analogs, GHRPs, and direct GH compounds for muscle, recovery, and anti-aging research.

Availability & Access (2026)

Research Only

This peptide is primarily sold as a research-only compound in lyophilized powder form. It is not approved for human use and is intended for laboratory research purposes only.

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Research Purposes Only

The information provided about IGF-1 LR3 is for educational and research purposes only. This content is not intended as medical advice, diagnosis, or treatment recommendation.IGF-1 LR3 is a research compound and may not be approved for human use. Always consult with a qualified healthcare provider before considering any peptide therapy. The Peptide List does not sell peptides or provide medical services.

Important Notice

This website is for informational purposes only and does not constitute medical advice. Consult a licensed physician before using any peptides. Provider listings do not constitute endorsements. None of the statements on this site have been evaluated by the FDA.