Peptide Research Library

Peptide Research Library

Research-use-only reference guides covering the peptides and compounds in our catalog — mechanisms, technical data (CAS, molecular formula, molecular weight, sequence), and laboratory handling. All content is for research use only.

Metabolic & Incretin Research

• Semaglutide — GLP-1 Receptor Agonist
• Tirzepatide — Dual GIP/GLP-1 Agonist
• Retatrutide (LY3437943) — Triple Agonist
• Cagrilintide — Amylin Analog
• Eloralintide (LY3841136) — Amylin Agonist
• MOTS-c — Mitochondrial-Derived Peptide
• Comparison: Semaglutide vs Tirzepatide vs Retatrutide

Growth Factor & Mitochondrial Research

• HGH (Somatropin) — Growth Hormone Receptor
• Tesamorelin — GHRH Analog
• IGF-1 LR3 — Long R3 IGF-1
• SS-31 (Elamipretide) — Mitochondria-Targeted
• Glutathione (GSH) — Master Antioxidant
• NAD+ — Redox Coenzyme

Repair & Recovery Research

• BPC-157 — Pentadecapeptide
• TB-500 (Thymosin Beta-4) — Actin-Binding Peptide
• Comparison: BPC-157 vs TB-500

Melanocortin Research

• PT-141 (Bremelanotide)
• Melanotan I (Afamelanotide / MT-1)
• Melanotan II (MT-2)
• KPV — Melanocortin Anti-Inflammatory Tripeptide

Neuropeptide & Cognitive Research

• Semax — ACTH-Fragment Heptapeptide
• Selank — Tuftsin-Derived Heptapeptide
• Dihexa — HGF/c-Met Synaptogenesis
• Oxytocin — OXTR Nonapeptide
• DSIP — Delta Sleep-Inducing Peptide

Longevity & ECM Research

• Epithalon (Epitalon) — AEDG Tetrapeptide
• GHK-Cu (Copper Peptide) — ECM/Tissue-Remodeling
• AHK-Cu (Copper Peptide) — Follicular/Vascular

New guides are added regularly. Every compound referenced is supplied for laboratory research only and is independently HPLC/LC-MS tested. See our Quality & Testing Standards for details. Products are not drugs, supplements, or medical devices, and are not for human or veterinary use.