For laboratory research only
Compare IGF-1 LR3 research suppliers
Listings now default to lowest tracked price per mg. The highlighted price badge is a catalog-price signal only, not a quality, safety, or documentation ranking.
The document count covers six basic checks. “Not found” means we could not confirm it from the public records we reviewed—not that the testing never happened.
Affiliate disclosure: Some links may earn PDD a commission. Affiliate status does not change what we report or how suppliers are ordered.
Eppix Labs
5 of 6 fields documentedReview recommendedIGF-1 LR3 (1 mg)
Exact name catalog match · No active affiliate relationship · Price badge is not an overall recommendation
Listed price
$54.99
$54.99 per mg
In stock
Aero Peptides
4 of 6 fields documentedPossibly outdatedIGF-1 LR3 (1 mg)
Exact name catalog match · Affiliate relationship
Listed price
$69.99
$69.99 per mg
In stock
Elite Research Labs
6 of 6 fields documentedChecked 12 days agoIGF-1 LR3 (1 mg)
Exact name catalog match · Affiliate relationship
Listed price
$72.24
$72.24 per mg
In stock
PS Peptides
5 of 6 fields documentedPossibly outdatedIGF-1 LR3 (1 mg)
Exact name catalog match · Affiliate relationship
Listed price
$89.99
$89.99 per mg
Est. with PDD10: $80.99
$80.99/mg
In stock
Arizen BioLabs
1 of 6 fields documentedPossibly outdatedIGF-1 LR3 (1 mg)
Exact name catalog match · Affiliate relationship
Listed price
$89.99
$89.99 per mg
Est. with PDD10: $80.99
$80.99/mg
In stock
How IGF-1 LR3 is used in research
LR3 differs substantially from native IGF-1 in sequence and pharmacology. Cell-culture use does not establish suitability for any other context.
This page separates molecule-level literature from claims about any supplier, lot, formulation, or intended use. Inclusion is educational and is not an endorsement.
Evidence map
Research stage matters. Findings from one model should not be silently promoted to another.
Laboratory
Published laboratory work addresses igf receptor signaling and related mechanisms.
Animal
Where animal studies exist, their model, exposure, endpoints, and test article must be evaluated before translation.
Human
Robust controlled human evidence is not established.
What the evidence does not establish
Potent growth-factor signaling and limited human evidence prevent clinical inference.
Study findings also do not authenticate a supplier’s material. Biological plausibility, a familiar name, or a published paper cannot substitute for lot-specific identity and quality evidence.
Analytical and documentation checks
The test plan should match the exact molecule, modification, and research question.
- Confirm the complete molecular identity, sequence, modifications, salt or counterion, and expected mass.
- Treat chromatographic area, identity, peptide content, sterility, and endotoxin as separate claims requiring separate evidence.
- Match every report to the offered lot and preserve the source record and review date.
At minimum, connect the product name, sequence, sample identifier, lot, report, method, expected result, and observed result. Record untested attributes as “not reported,” not as assumed passes.
Build the documentation record
Regulatory status
IGF-1 LR3 is not FDA-approved and is prohibited in sport by WADA.
Regulatory status can change and attaches to specific products and jurisdictions. Verify current official records before publishing, procuring, or relying on a status claim.
Primary sources and official records
Use these records as starting points, then assess the exact model, test article, methods, and date:
Peptide Due Diligence Research Brief
Follow the evidence, not the headline.
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