Description
IGF-1 LR3
IGF-1 LR3 (Insulin-like Growth Factor-1 Long R3) is a research-grade peptide extensively used in experimental studies focused on muscle growth, recovery, and performance enhancement. IGF-1 LR3 is a synthetic analog of IGF-1 with modifications that increase its half-life and biological activity in lab studies.
Researchers employ to explore its effects on cellular growth, muscle hypertrophy, and tissue repair. The peptide promotes cell proliferation, protein synthesis, and experimental recovery processes in controlled laboratory environments.
Key Research Benefits:

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Supports muscle growth and hypertrophy in laboratory studies
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Enhances tissue repair and recovery mechanisms
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Useful for research on performance and endurance optimization
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Lab-tested for high purity, stability, and reproducibility
Chemical & Structural Information:
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Peptide type: IGF-1 LR3
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Form: Lyophilized powder
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Purity: ≥99% HPLC verified
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Storage: -20°C recommended for long-term stability
Strictly for Research Use Only (RUO)
is intended exclusively for experimental research and laboratory studies. It is not approved for human consumption or therapeutic use. Each batch is supplied with a Certificate of Analysis (COA) to ensure purity, quality, and consistent experimental results.
EssentiaPeptides guarantees reliable, high-quality peptides for studies on muscle growth, recovery, and performance enhancement in controlled research environments.









Daniel –
Clear results after steady use. Delivery was quick.
Sarah –
Product met expectations and arrived well packed.
Kevin –
Consistent performance and smooth ordering.
Linda –
Results took time but are noticeable now.
Jason –
Delivery was on time and support was polite.
Emily –
Product works as described.
Noah –
Very happy with the outcome and service.
Rita –
Packaging was clean and results are steady.
Alex –
Good experience and reliable delivery.
Sophie –
Fast shipping and noticeable improvement.