

For research and educational purposes only. PepTalk discusses what researchers study in laboratory settings — not medical advice. Products are sold for laboratory research use only.
Research Peptide
IGF-1 LR3
A long-acting analog of insulin-like growth factor 1, modified so it largely escapes the binding proteins that clear native IGF-1. The extended free half-life is why laboratory and cell-culture work uses the LR3 form rather than the native peptide.

For research and educational purposes only. PepTalk discusses what researchers study in laboratory settings — not medical advice. Products are sold for laboratory research use only.
The short version
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What researchers are looking at
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Where the evidence stands
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At a glance
What it is
Research peptide
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Studied for
Laboratory research
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How it ships
Lyophilized powder
freeze-dried
Purity
≥99% (HPLC)
third-party tested
How it arrives
Lyophilized powder
Ships freeze-dried for stability. Placeholder handling copy — replace with product-specific details.
Certificate of analysis
Common questions
In-stock orders placed before 2PM CT ship the same day, with free ground shipping on orders over $200 and tracking on every parcel.
For laboratory and research use only. Sold exclusively for in-vitro research and laboratory experimentation. Not a drug, supplement, or article intended for human or veterinary use; nothing here is medical advice or a claim of therapeutic benefit. Statements describe findings from published research.
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