Home›Research›Compare›CGRP vs LL-37
Peptide ComparisonCGRP vs LL-37
Both are Tissue Repair peptides.
CGRP
Calcitonin Gene-Related Peptide
Half-life: ~3.6 min / ~13.6 min (biphasic; sheep)
2 providers listed
CGRP carries stronger published evidence (RCT, 10 key studies) than LL-37 (Cohort study, 6); both are research compounds.
CGRP
Half-life
~3.6 min / ~13.6 min (biphasic; sheep)
LL-37
Half-life
~30 minutes
| Your goal | Better option |
|---|---|
| Stronger clinical evidence | CGRP |
| Less frequent dosing (longer half-life) | LL-37 |
| More provider options (2 vs 40) | LL-37 |
Research summary only — not medical advice. Consult a qualified provider before making any decisions.
CGRP
LL-37
CGRP
Efficacy and tolerability of erenumab in patients with episodic migraine in whom two-to-four previous prevent…
A Controlled Trial of Erenumab for Episodic Migraine
Three-year real-world effectiveness, treatment persistence, and planned discontinuation of anti-calcitonin ge…
Functional role of Nav1.8 channels in action potentials of mouse CGRP-lineage dorsal root ganglion neurons.
+6 more
LL-37
The Role of Vitamin D in Modulating the Innate Immune Response in Children with Vesicoureteral Reflux.
Immunomodulatory effects of synthetic antimicrobial peptides on LPS-induced inflammatory responses in THP-1 m…
A protease-sensing circuit links neutrophil inflammation to virulence regulation in Streptococcus pyogenes.
Serine protease HtrA promotes Campylobacter jejuni intestinal colonization through degrading antimicrobial pe…
+2 more
About CGRP
Binds CLR/RAMP1 receptor complex. Causes vasodilation via cAMP/PKA/nitric oxide pathway. Modulates nociceptive signaling in the trigeminal system. Promotes bone healing and has anti-inflammatory effects in peripheral tissues.
About LL-37
Human cathelicidin antimicrobial peptide; disrupts bacterial membranes and modulates innate immune response via TLR signaling
Information below reflects published research data only — not medical advice. Consult a qualified provider before use.
CGRP
No established clinical contraindications. This is an investigational compound with limited human data and has not been evaluated by the FDA for safety in this context. Consult a qualified clinician.
Under clinical review
Being verified by our medical team before we display monitoring guidance for this peptide.
LL-37
No established clinical contraindications
CGRP
Not enough vendor pricing yet.
LL-37
Where to source these peptides
PeptideBase lists providers for educational research purposes only. Always consult a qualified healthcare professional before obtaining or using any peptide.
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Cite this page
Data last updated August 26, 2026
Free to reference and republish with attribution to PeptideBase. Choose a format:
PeptideBase. (2026). CGRP vs LL-37 — Per-mg Price Comparison. Retrieved September 11, 2026, from https://peptidebase.io/peptides/compare/cgrp/ll-37