Is Cagrilintide legal in Illinois?
status · caveats apply
Investigational long-acting amylin analogue under Phase 3 (REDEFINE); no FDA approval; cited in 2024 FDA Warning Letters to research-peptide vendors. No state-level peptide restrictions beyond federal law in Illinois.
category: investigational · last verified May 13, 2026
§ 01
Quick answer
Investigational long-acting amylin analogue under Phase 3 (REDEFINE); no FDA approval; cited in 2024 FDA Warning Letters to research-peptide vendors. No state-level peptide restrictions beyond federal law in Illinois.
§ 02
Full status breakdown
Federal status
FDA approval
DEA scheduling
not scheduled
503A compounding
Bulks list: not on list
Do-not-compound list: not on list
Cannot be lawfully compounded under §503A (no approved application; not on bulks list).
FDA Warning Letters
Shortage status
not currently on shortage list
Sale framing
Research-use-only posture: FDA has rejected RUO defense for cagrilintide in 2024 warning letters (Xcel, Summit). Same posture as retatrutide.
Personal possession: Not federally scheduled; not criminally possessed at federal level. Enforcement is on sellers.
Illinois — state-specific
Sport-body status
WADA 2026
on prohibited list · class S2 · both
Captured by S2 class language (peptide hormones / amylin analogue) and S0 (non-approved substances). Not specifically named.
USADA
banned
NCAA
banned
What we couldn’t verify
§ 03
Also known as
Cagrilintide is also marketed or referenced under the following names (vendor pseudonyms, brand names, chemical identifiers):
amylin analogueCagriSemaCagriLean
§ 04
Disclaimer
§ 05
Related
- Back to peptide legality lookup — pick a different compound or state
- Cagrilintide research guide — mechanism, dosing math, vendor audits, COA data
- 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?
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