Peptide Research Hub
Educational reference
Educational reference only. Nothing on this site is medical advice. Many compounds described here are not FDA-approved, lack adequate human evidence, and may be illegal in your jurisdiction. Always consult a licensed clinician.

Research directory

Peptide compounds, organized by evidence and regulatory status

A curated reference of peptide research compounds drawn from public biomedical databases. Each entry lists mechanism summaries, regulatory status, evidence quality, safety flags, and links to peer-reviewed literature — never dosing, protocols, or sourcing.

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Healing & Tissue Repair

BPC-157

Body Protection Compound-157

Studied in animals for effects on angiogenesis, tendon/ligament cell migration, and nitric-oxide pathways. Mechanism in humans is not established.

Preclinical only Not FDA-approved 15 AA
Open evidence profile
Healing & Tissue Repair

GHK-Cu

Glycyl-L-histidyl-L-lysine copper complex

Studied for collagen synthesis, anti-inflammatory effects, and modulation of skin gene expression in topical/cosmetic use.

Moderate clinical Cosmetic / not drug-approved 3 AA
Open evidence profile
Healing & Tissue Repair

KPV

Lysine-Proline-Valine tripeptide

Preclinical studies suggest NF-κB pathway inhibition and reduced inflammatory cytokine output in mucosal models.

Preclinical only Not FDA-approved 3 AA
Open evidence profile
Healing & Tissue Repair

LL-37

Human cathelicidin antimicrobial peptide

Endogenous antimicrobial peptide with immunomodulatory and wound-healing activity studied in vitro and in animal models.

Preclinical only Not FDA-approved 37 AA
Open evidence profile
Healing & Tissue Repair

TB-500

Thymosin Beta-4 Synthetic Fragment

Parent protein Thymosin Beta-4 is studied for actin sequestration, cell migration, and wound healing. The marketed "TB-500" fragment lacks the parent...

Limited human data Not FDA-approved 44 AA
Open evidence profile
Healing & Tissue Repair

Thymosin Alpha-1

Thymalfasin

Modulates T-cell function and innate immunity. Studied as an adjunct in chronic hepatitis B/C and sepsis.

Strong clinical Foreign-approved only 28 AA
Open evidence profile