
IGF-1 LR3
Third-Party Tested · COA Available- Certificate of Analysis available for every lot
- ≥99% purity, HPLC & mass-spec verified
- Ships from a U.S. facility — same-day before 2PM EST
- Secure checkout · Free shipping on orders $300+
Complete your setup
Lyophilized peptides need bacteriostatic water and a syringe to reconstitute. Add the essentials in one click.
IGF-1 LR3In your orderIGF-1 LR3 is a modified insulin-like growth factor 1 with a 13-amino-acid extension and an arginine substitution at position 3. The modifications reduce binding to IGF-binding proteins, which extends its active half-life in research models.
Common research applications include:
- Cell proliferation and growth-factor research
- Muscle-cell culture studies
- IGF signaling pathway research
Specifications
- Class: Long-arginine-3 IGF-1 analog
- Form: lyophilized powder in a sealed glass vial
- Available sizes: 1 mg
- Purity: verified at 99% or higher by HPLC, identity confirmed by mass spectrometry
- Testing: every lot is third-party tested, with a lot-matched Certificate of Analysis available on request
- Manufactured in the USA
- Storage: keep sealed, cool, dry and away from light; refrigerate after reconstitution
For laboratory research use only. This product is not for human or veterinary use, is not a drug, food or cosmetic, and is not intended to diagnose, treat, cure or prevent any disease.
Frequently Asked Questions
Is IGF-1 LR3 third-party tested?
Yes. Every lot is independently third-party tested for identity and purity — ≥99% by HPLC and mass spectrometry — with a lot-matched Certificate of Analysis available on request for every lot.
Can I see the Certificate of Analysis before buying?
Yes. Ask us for the lot-matched COA before you order and we will send it, documenting identity, purity, and full analytical results.
What does 'Research Use Only' mean?
This product is supplied strictly for laboratory and research use only (RUO). It is not a drug, food, supplement, or cosmetic, is not approved by the FDA, and is not intended to diagnose, treat, cure, or prevent any disease, or for human or veterinary consumption.
How is it shipped and stored?
Orders placed before 2PM EST typically ship the same business day from our U.S. facility with tracking. Store the lyophilized material at −20°C, protected from light and moisture.


