Disclosure: We earn a commission from vendors on this page. Rankings are based on objective criteria including price, COA availability, and reputation.
Best IGF-1 LR3 Vendors of 2026
Ranked by Price, Purity, and Reputation
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Quick Comparison
1
Ion Peptide15% OFF—thepeptidecatalogCopy
Yes
10/10
1mg$90.00$90.00/mgView →
2
Nura PeptidePREMIUM25% OFF—thepeptidecatalogCopy
9.8/10
1mg$65.00$65.00/mgView →
3
Mile High Compounds10% OFF—thepeptidecatalogCopy
8.8/10
1mg$79.99$79.99/mgView →
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How We Score Vendors
Our scoring is based on three weighted factors:
Price Competitiveness (40%)
Normalized to cost per milligram for fair comparisons across vial sizes.
COA Availability (30%)
Third-party lab testing confirming purity, identity, and absence of contaminants.
Vendor Reputation (30%)
Community feedback, shipping reliability, customer service, and business track record.
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