RESEARCH LIBRARY

References for peptide research

Plain-language background on the compounds we supply and the practices that surround them, from purity analysis to lab handling. Educational material, not usage instructions.

The Research Library is a reference resource for scientists, students, and technicians working with research-grade peptides. It gathers background on the science behind our catalog: how purity is measured, what analytical documents mean, and how compounds are best stored and handled in a laboratory setting.

Everything here is provided strictly for informational and research purposes. Nothing in this library is medical, clinical, or dosing guidance, and none of the products referenced are intended for human or veterinary use. All Kestra Club peptides are sold for laboratory and research use only.

COMPOUND INDEX

The literature behind every compound

Each entry links straight to the published papers cited on that compound's page: journal, year, authors and DOI, every one resolvable on PubMed.

33 of 33 compounds · 133 publications indexed

Dermal
GLOW
5
A combined BPC-157 + TB-500 + GHK-Cu preparation in a single vial, for in-vitro laboratory research use only.
Cited in Current Pharmaceutical Design, Journal of Applied Physiology, Nature and 2 more · through 2020
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Dermal
KLOW
5
A combined BPC-157 + TB-500 + GHK-Cu + KPV preparation in a single vial, for in-vitro laboratory research use only.
Cited in Current Eye Research, Immunology Today, Current Pharmaceutical Design and 2 more · through 2022
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Metabolic
5-Amino-1MQ
4
A small-molecule inhibitor of nicotinamide N-methyltransferase (NNMT), supplied for in-vitro laboratory research use only.
Cited in Molecular Metabolism, Diabetes, Obesity & Metabolism, Nature and 1 more · through 2025
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Metabolic
AOD-9604
4
A modified C-terminal fragment of human growth hormone (residues 177–191), supplied for in-vitro laboratory research use only.
Cited in Hormone Research, Drug Testing and Analysis, Endocrinology and 1 more · through 2015
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Tissue Repair
BPC-157
4
A synthetic 15-amino-acid peptide (pentadecapeptide), supplied as a lyophilized powder for in-vitro laboratory research use only.
Cited in Current Pharmaceutical Design, Journal of Applied Physiology, Cell and Tissue Research and 1 more · through 2020
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Tissue Repair
BPC-157 / TB-500 (Wolverine)
4
A combined BPC-157 + TB-500 preparation in a single lyophilized vial, for in-vitro laboratory research use only.
Cited in Current Pharmaceutical Design, Journal of Applied Physiology, Nature and 1 more · through 2020
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Metabolic
Cagrilintide
4
A long-acting amylin-receptor agonist analog, supplied for in-vitro laboratory research use only.
Cited in The Lancet, The New England Journal of Medicine, Cardiology in Review · through 2025
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Secretagogue
CJC-1295 / Ipamorelin (No DAC)
4
A combined GHRH-analog + ghrelin-receptor-agonist preparation, supplied for in-vitro laboratory research use only.
Cited in The Journal of Clinical Endocrinology and Metabolism, Drug Testing and Analysis, European Journal of Endocrinology and 1 more · through 2021
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Circadian
DSIP
4
A naturally occurring nonapeptide (delta-sleep-inducing peptide), supplied for in-vitro laboratory research use only.
Cited in European Journal of Anaesthesiology, Journal of Neurochemistry, Peptides and 1 more · through 2006
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Cellular
Epithalon
4
A synthetic tetrapeptide (Ala-Glu-Asp-Gly), supplied for in-vitro laboratory research use only.
Cited in Biogerontology, International Journal of Molecular Sciences · through 2025
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Dermal
GHK-Cu
4
A naturally occurring copper-binding tripeptide (Gly-His-Lys:Cu), supplied for in-vitro laboratory research use only.
Cited in International Journal of Molecular Sciences, BioMed Research International, FEBS Letters and 1 more · through 2018
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Sprays
GHK-Cu Nasal Spray
4
A pre-formulated metered-spray research solution of GHK-Cu, for in-vitro laboratory research use only.
Cited in International Journal of Molecular Sciences, BioMed Research International, FEBS Letters and 1 more · through 2018
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Metabolic
GLP-1 (SM)
4
A long-acting GLP-1 receptor agonist analog, supplied as a lyophilized powder for in-vitro laboratory research use only.
Cited in The New England Journal of Medicine · through 2025
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Metabolic
GLP-3 (RT)
4
A synthetic triple-incretin-receptor (GIP/GLP-1/glucagon) agonist peptide, supplied as a lyophilized powder for in-vitro laboratory research use only.
Cited in The New England Journal of Medicine, The Lancet, Biomolecules and 1 more · through 2026
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Cellular
Glutathione
4
An endogenous antioxidant tripeptide (γ-Glu-Cys-Gly), supplied for in-vitro laboratory research use only.
Cited in Vitamins and Hormones, International Journal of Molecular Sciences, European Journal of Nutrition and 1 more · through 2024
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Secretagogue
IGF-1 LR3
4
A long-acting 83-amino-acid analog of insulin-like growth factor 1, supplied for in-vitro laboratory research use only.
Cited in The Journal of Physiology, Seminars in Cell & Developmental Biology, The International Journal of Biochemistry & Cell Biology and 1 more · through 2021
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Secretagogue
Ipamorelin
4
A selective ghrelin-receptor (GHS-R) agonist pentapeptide, supplied for in-vitro laboratory research use only.
Cited in European Journal of Endocrinology, The Journal of Pharmacology and Experimental Therapeutics, Physiology & Behavior and 1 more · through 2024
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Tissue Repair
KPV
4
A C-terminal tripeptide fragment of α-MSH (Lys-Pro-Val), supplied for in-vitro laboratory research use only.
Cited in Current Eye Research, Immunology Today, The Journal of Pharmacology and Experimental Therapeutics and 1 more · through 2022
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Dermal
Melanotan I
4
A linear analog of α-melanocyte-stimulating hormone (afamelanotide), supplied for in-vitro laboratory research use only.
Cited in Journal der Deutschen Dermatologischen Gesellschaft, Clinical and Experimental Dermatology, Expert Opinion on Investigational Drugs and 1 more · through 2026
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Metabolic
MOTS-c
4
A 16-amino-acid mitochondrial-derived peptide, supplied for in-vitro laboratory research use only.
Cited in Cell Metabolism, Frontiers in Endocrinology, Advanced Science and 1 more · through 2024
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Cellular
NAD+
4
A redox coenzyme (nicotinamide adenine dinucleotide), supplied for in-vitro laboratory research use only.
Cited in Cell Metabolism, Nature Communications, Nature Reviews Molecular Cell Biology and 1 more · through 2021
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Sprays
NAD+ Nasal Spray
4
A pre-formulated metered-spray research solution of NAD+, for in-vitro laboratory research use only.
Cited in Cell Metabolism, Nature Communications, Nature Reviews Molecular Cell Biology and 1 more · through 2021
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Dermal
PT-141
4
A cyclic melanocortin-receptor agonist peptide (bremelanotide), supplied for in-vitro laboratory research use only.
Cited in Women's Health, Obstetrics and Gynecology, Drugs and 1 more · through 2019
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Sprays
PT-141 Nasal Spray
4
A pre-formulated metered-spray research solution of PT-141, for in-vitro laboratory research use only.
Cited in Women's Health, Obstetrics and Gynecology, Drugs and 1 more · through 2019
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Neuro
Selank
4
A synthetic heptapeptide analog of tuftsin, supplied for in-vitro laboratory research use only.
Cited in Doklady Biological Sciences, Frontiers in Pharmacology, Bulletin of Experimental Biology and Medicine · through 2022
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Sprays
Selank Nasal Spray
4
A pre-formulated metered-spray research solution of Selank, for in-vitro laboratory research use only.
Cited in Doklady Biological Sciences, Frontiers in Pharmacology, Bulletin of Experimental Biology and Medicine · through 2022
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Neuro
Semax
4
A synthetic heptapeptide analog of an ACTH(4-10) fragment, supplied for in-vitro laboratory research use only.
Cited in Molecular Genetics and Genomics, Journal of Neurochemistry, Doklady Biological Sciences and 1 more · through 2025
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Sprays
Semax Nasal Spray
4
A pre-formulated metered-spray research solution of Semax, for in-vitro laboratory research use only.
Cited in Molecular Genetics and Genomics, Journal of Neurochemistry, Doklady Biological Sciences and 1 more · through 2025
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Dermal
SNAP-8
4
An acetyl octapeptide-3, supplied for in-vitro cosmetic-science research use only.
Cited in Skin Research and Technology, International Journal of Molecular Sciences, International Journal of Cosmetic Science and 1 more · through 2025
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Tissue Repair
TB-500
4
A synthetic peptide corresponding to the active region of thymosin beta-4, supplied for in-vitro laboratory research use only.
Cited in Nature, Trends in Molecular Medicine, Annals of the New York Academy of Sciences and 1 more · through 2012
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Secretagogue
Tesamorelin
4
A stabilized 44-amino-acid analog of growth-hormone-releasing hormone (GHRH), supplied for in-vitro laboratory research use only.
Cited in The Lancet HIV, JAMA, AIDS and 1 more · through 2025
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Cellular
Thymosin Alpha-1
4
A 28-amino-acid thymic peptide (thymalfasin), supplied for in-vitro laboratory research use only.
Cited in World Journal of Virology, International Journal of Molecular Sciences, Expert Opinion on Biological Therapy · through 2025
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Dermal
Melanotan II
3
A cyclic analog of α-melanocyte-stimulating hormone (α-MSH), supplied for in-vitro laboratory research use only.
Cited in BMJ, The British Journal of Dermatology, Molecular Metabolism · through 2017
View research