LL-37·CALIFORNIA·VERIFIED MAY 13, 2026

Is LL-37 legal in California?

CAVEATS APPLY

Endogenous antimicrobial peptide; investigational analogs in early trials; no approved synthetic LL-37 product; not on WADA list. No state-level peptide restrictions beyond federal law in California.

CATEGORY · NO APPROVAL

Full status breakdown

FEDERAL · STATE · SPORT-BODY

Federal status

FDA approval

no approval

FDA SOURCE ↗

DEA scheduling

not scheduled

DEA ORANGE BOOK ↗

503A compounding

Bulks list: not on list

Do-not-compound list: not on list

No PCAC vote.

SOURCE ↗

FDA Warning Letters

none on record for this compound

Shortage status

not currently on shortage list

Sale framing

Research-use-only posture: Unapproved; FDCA applies.

Personal possession: Not federally criminalized.

SOURCE 1 ↗

California — state-specific

Sport-body status

WADA 2026

not on prohibited list

Not explicitly named.

WADA LIST ↗

USADA

unknown

SOURCE ↗

NCAA

unknown

SOURCE ↗

What we couldn’t verify

Also known as

5 ALIASES

LL-37 is also marketed or referenced under the following names (vendor pseudonyms, brand names, chemical identifiers):

Cathelicidin
Human Cathelicidin Antimicrobial Peptide
hCAP-18 fragment
CAMP
FALL-39

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?

LL-37 legality in other US states

State-by-state legal status for the same compound. Federal classification holds, state law varies.

Is LL-37 legal in California?

Full status breakdown

Federal status

California — state-specific

Sport-body status

What we couldn’t verify

Also known as

Related

LL-37 legality in other US states

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