PeptideResearch use only

Buy IGF-1 LR3 1mg

IGF-1 LR3 long-acting insulin-like growth factor for IGF1R signaling and cell proliferation research. ≥99% purity with batch COA.

Where to buy IGF-1 LR3

2 vendors · ranked by $/mg
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American PeptidesBest valuecode PEPTECH
1 mgIn stock
$85.00/mg est
$85
View product
Amino ClubPartnerLowest pricecode PEPTECH
Size varies
$/mg n/a
from $69.99
View product
Prices checked Aug 27, 2026$/mg = listed price ÷ total mg. “est” uses a standard size.

Links to vendors are affiliate links — we may earn a commission at no extra cost to you. Prices and stock are set by each vendor and may change. Peptide Technologies no longer sells retail.

Best price
From $69.99$89.99
at Amino Club · 2 vendors compared · ~22% vs former retail
Best value $85.00/mg (est) · 1 mg at American Peptides
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Third-party testedCOA-backedRUO

Links to vendors are affiliate links — we may earn a commission at no extra cost to you. Prices and stock are set by each vendor and may change. Peptide Technologies no longer sells retail.

About IGF-1 LR3

IGF-1 LR3 — 1 mg (Long R3 Insulin-Like Growth Factor-1) is an 83-amino-acid analog of human IGF-1 engineered with an Arg substitution at position 3 and a 13-residue N-terminal extension to reduce IGF-binding protein (IGFBP) interactions and enable robust IGF1R engagement in vitro. Supplied by Peptide Technologies at ≥ 99% purity (HPLC/MS verified) for in-vitro, cellular, and biochemical research use only (RUO) . Not for human or veterinary use.

For laboratory research use only. Not for human or veterinary use, diagnosis, treatment, or consumption.

Reference data
Lot-independent identity data
Strength1mg
Former retail (reference)$89.99

IGF-1 LR3 — frequently asked questions

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Affiliate disclosure. Peptide Technologies is a wholesale manufacturer and no longer sells retail. The vendor links on this site are affiliate links — we may earn a commission at no additional cost to you. Vendor names, prices, and stock belong to each vendor, are gathered from public sources, and can change or be out of date. A listing is not medical advice or an endorsement of any research use. For laboratory research use only.

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