Reviewed by Peptide Treatments Medical Advisory Board (Medical Advisory Board)

LL-37: Side Effects & Safety

Known side effects, safety considerations, and adverse reaction data for LL-37.

Back to LL-37 overview

Data source: Side effect data comes from clinical trials, preclinical research, and anecdotal reports. No FDA-approved labeling exists for this compound.

Reported Side Effects (4 items)

# Side Effect
1 Mild local irritation with topical application
2 Theoretical excessive immune stimulation
3 Theoretical autoimmunity risk from aberrant immune activation
4 Limited long-term safety data beyond 12 weeks