Is LL-37 FDA approved?
Current U.S. status for LL-37: No FDA-approved LL-37 drug product; FDA reports insufficient human safety information for compounded LL-37 products.
DIRECT ANSWER
LL-37 FDA status.
Current U.S. status for LL-37: No FDA-approved LL-37 drug product; FDA reports insufficient human safety information for compounded LL-37 products.
Reviewed August 8, 2026. Each statement links to its evidence record, followed by the primary and official sources used for this answer.
No FDA-approved LL-37 drug product; FDA reports insufficient human safety information for compounded LL-37 products.
Open evidence recordLL-37 is an important endogenous host-defense peptide, but complex pro-inflammatory, anti-inflammatory, antimicrobial, and cytotoxic actions make simple immune-support claims misleading.
Open evidence recordApproval, evidence maturity, commercial access, and sport status answer different questions. The full record keeps them separate.
Open evidence recordPRIMARY & OFFICIAL SOURCES
Sources for this answer.
3 source records, with duplicates removed.