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Growth-factor research

IGF-1 LR3 for sale — research grade, batch tested

IGF-1 LR3 is an 83-amino-acid analogue of insulin-like growth factor 1 with an arginine substitution and a 13-residue N-terminal extension that reduce binding-protein affinity. Atlas Peptides supplies research-grade IGF-1 LR3 with a lot-specific certificate of analysis and fast US shipping.

IGF-1 LR3 pricing by strength

Supplied as IGF-1 LR3 1MG in the Atlas catalog. Prices are per vial; volume discounts apply automatically in the cart.

StrengthPriceOrder
1mg$87.99Select

≥99% purity target

Every lot is analysed by an independent laboratory by HPLC for purity and mass spectrometry for identity.

Batch COA included

The certificate of analysis for the exact lot you receive is published on the product page as a PDF.

Same-day US dispatch

Orders placed on business days ship the same day from our domestic facility.

Lyophilized & sealed

Supplied lyophilized in sealed vials. Store at -20°C and protect from light until reconstitution.

About IGF-1 LR3 as a research material

What IGF-1 LR3 is

IGF-1 LR3 is an 83-amino-acid analogue of insulin-like growth factor 1 with an arginine substitution and a 13-residue N-terminal extension that reduce binding-protein affinity.

How it is studied

IGF-1 LR3 is widely used in cell culture and research on IGF-1 receptor signaling, cell proliferation and growth-factor pathways. Atlas supplies the material only; we do not provide protocols, dosing guidance, or human-use instructions.

Handling and storage

Store lyophilized material at -20°C, protected from light and moisture. Reconstitute only immediately before laboratory use and keep reconstituted solution refrigerated.

Verification

Each lot is analysed by an independent laboratory using HPLC for purity and mass spectrometry for identity against a ≥99% purity target. The lot COA is published on the product page.

IGF-1 LR3 — common questions

What is IGF-1 LR3?
IGF-1 LR3 is an 83-amino-acid analogue of insulin-like growth factor 1 with an arginine substitution and a 13-residue N-terminal extension that reduce binding-protein affinity.
Does IGF-1 LR3 come with a certificate of analysis?
Yes. The batch-specific COA for the lot you receive is downloadable from the product page and from our COA library.
Where can I buy IGF-1 LR3 in the US?
Atlas Peptides ships IGF-1 LR3 from the United States via FedEx Ground or Overnight, with free ground shipping on orders over $200.
Is this for human use?
No. All Atlas Peptides materials are sold strictly for in-vitro and pre-clinical laboratory research. They are not for human or veterinary consumption.

Order IGF-1 LR3

Third-party tested, batch-documented, and dispatched same day from the United States.

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Disclaimer — Research Use Only

This product is intended for in-vitro and pre-clinical research purposes only. It is not intended for human consumption, nor for use as a drug, food additive, or household chemical. These statements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. By purchasing, the customer acknowledges all risks of handling and distribution, and agrees to indemnify Atlas Peptides against any claims arising from misuse.