IGF-1 LR3·ILLINOIS·VERIFIED MAY 13, 2026
Is IGF-1 LR3 legal in Illinois?
CAVEATS APPLY
No FDA approval (distinct from mecasermin/Increlex); WADA S2.1 explicitly named IGF-1 analogue; NCAA explicitly banned. No state-level peptide restrictions beyond federal law in Illinois.
CATEGORY · NO APPROVAL
Full status breakdown
FEDERAL · STATE · SPORT-BODYFederal status
FDA approval
no approval
DEA scheduling
not scheduled
503A compounding
Bulks list: not on list
Do-not-compound list: not on list
Not on Cat 2 explicitly; PCAC has not voted. Distinct from mecasermin/Increlex (NDA 021839, recombinant human IGF-1) — LR3 is a chemically distinct analog with 13-aa N-terminal extension and Arg substitution.
FDA Warning Letters
none on record for this compound
Shortage status
not currently on shortage list
Sale framing
Research-use-only posture: Unapproved analog of an approved drug. 'RUO' framing does not cure FDCA §505 violation where human use is foreseeable.
Personal possession: Not federally criminalized.
Illinois — state-specific
Sport-body status
WADA 2026
on prohibited list · class S2.1 · both
IGF-1 and IGF-1 analogues explicitly named under S2.1 (Erythropoietin-Receptor Agonists and Growth Factors).
USADA
banned
NCAA
banned
What we couldn’t verify
Also known as
5 ALIASESIGF-1 LR3 is also marketed or referenced under the following names (vendor pseudonyms, brand names, chemical identifiers):
Long R3 IGF-1IGF-1 Long R3Insulin-like Growth Factor 1 Long R3Long Arg3 IGF-1LR3-IGF-1
Related
FOLLOW-ONS- Back to peptide legality lookup — pick a different compound or state
- Peptide pricing index — what each compound costs per mg across audited vendors
- Janoshik COA verifier — a separate question from legality: does the COA the vendor cites actually exist?
IGF-1 LR3 legality in other US states
State-by-state legal status for the same compound. Federal classification holds, state law varies.
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