Popular Peptides
Popular Peptides collects the compounds our customers reorder most often, so you can skip the catalogue and go straight to what laboratories actually keep in stock. The list is led by BPC-157, LP3-R, Ipamorelin, TB-500 (Thymosin Beta-4) 10mg and GHK-Cu, alongside blends, atomized solutions and bioregulators.
Everything here is manufactured in GMP-certified United States facilities and independently verified at 99%+ purity by high-performance liquid chromatography and mass spectrometry. Each batch is also screened for endotoxins and heavy metals, and the Certificate of Analysis for the lot you receive is published in our testing library before you buy. Vials ship cold from the U.S. All items on this page are supplied strictly for research use only and are not for human or animal consumption.
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SNAP-8 is generally identified in cosmetic ingredient terminology as acetyl octapeptide-3.The name reflects its structure: “acetyl” refers to the attached acetyl group, while “octapeptide” indicates that the peptide contains eight amino acids. It is sometimes described in consumer products as an “acetyl hexapeptide serum,” but this terminology can lead to confusion with Argireline, which is commonly associated with acetyl hexapeptide-8 and, in some older ingredient references, acetyl hexapeptide-3. Although SNAP-8 and Argireline are both cosmetic peptides often discussed for their wrinkle-related applications, they are different ingredients and should not be considered interchangeable. -
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CJC-1295 NO DAC is a research peptide used in laboratory studies of GHRH receptor activity, peptide stability, and controlled signaling pathways in experimental models. This product is supplied strictly for research use only. It is not approved or intended for human or animal use, and any discussion of biological activity refers only to preclinical or in vitro research. In contrast to DAC (Drug Affinity Complex) versions, which remain active for extended periods because of the affinity complex that binds to serum proteins, the NO-DAC form is intentionally brief in duration. This characteristic allows for more precise timing, closer alignment with natural GH pulsatility, and a cleaner signaling window that is often advantageous in controlled studies. Research protocols examining circadian influences, acute cellular responses, metabolic pathways, and tissue-specific GH interactions frequently utilize this short-acting design for data accuracy. For laboratory applications, CJC-1295 NO DAC is typically supplied as a high purity, LPS-free peptide, manufactured under controlled conditions to support experimental consistency. Each batch is produced as an endotoxin-free peptide, with research peptides endotoxin tested to help ensure suitability for sensitive in-vitro and ex-vivo research environments. These quality attributes are particularly important in studies where immune activation, inflammatory signaling, or cellular stress responses may influence experimental outcomes. This compound is intended strictly for research purposes only. Not for human or animal use. -
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Ipamorelin is a laboratory research peptide used to study receptor signaling, peptide kinetics, and downstream pathway behavior in controlled experimental systems. This product is supplied strictly for research use only. It is not approved or intended for human or animal use, and any discussion of biological activity refers only to preclinical or in vitro research. For research integrity and reproducibility, Ipamorelin is commonly supplied as a high-purity, LPS-free peptide, manufactured under conditions designed to minimize biological contaminants. Use of an endotoxin-free peptide is critical in laboratory environments, as endotoxin interference can significantly alter signaling data and immune-related assay outcomes. Accordingly, research peptides endotoxin tested for Ipamorelin are preferred in advanced experimental applications requiring consistent and interpretable results. For Research Use Only. Not for Human or Animal Use. This compound is intended solely for laboratory research and analytical investigation. -
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AHK-Cu is a synthetic copper-associated tripeptide consisting of three amino acids—alanine, histidine, and lysine—that form a complex with a copper ion. It is commonly identified in research literature as AHK-Cu or Copper Tripeptide-3. In contrast to GHK-Cu (Copper Tripeptide-1), a naturally occurring copper-binding peptide that has been detected in biological fluids such as plasma, saliva, and urine, AHK-Cu is a synthetically produced peptide developed for experimental research. Its alanine–histidine–lysine sequence has been investigated for its interactions with cellular signaling pathways, particularly those associated with dermal papilla cell activity, hair follicle biology, and cellular survival mechanisms. Preclinical research has explored its potential effects on follicular tissue and related signaling processes, although these findings remain primarily based on laboratory and ex-vivo studies. -
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IGF-1 LR3 is a synthetic, laboratory-engineered analog of IGF-1 used in controlled research to study receptor interaction, peptide stability, and downstream signaling behavior in experimental systems. This product is supplied strictly for research use only. It is not approved or intended for human or animal use, and any discussion of biological activity refers only to preclinical or in vitro research. This increased bio-availability allows research teams to explore extended cellular signaling events without the rapid degradation typically observed with standard IGF-1. Its stability profile and functional responsiveness have made IGF-1 LR3 a widely utilized peptide in scientific studies focusing on metabolic behavior, protein synthesis pathways, and tissue-repair models. Formulated at 100mcg, IGF-1 LR3 provides laboratories with a flexible and practical quantity for diverse experimental setups, including in-vitro cellular assays, mechanistic pathway investigations, and stress-response modeling. Because the Long R3 form interacts more freely with IGF-1 receptors, with minimal interference from IGFBPs, it is valued in studies examining growth-factor signaling cascades, metabolic responses, and regenerative mechanisms. This product is manufactured to high purity standards and is produced as an LPS-free peptide and endotoxin-free peptide, ensuring minimal background interference in sensitive experimental conditions. All research peptides are endotoxin tested to support reproducibility, consistency, and reliability across laboratory studies. For Research Use Only. Not for Human or Animal Use. This product is intended solely for laboratory research and investigational purposes and is not approved for diagnostic, therapeutic, or consumptive applications. -
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BPC-157, short for Body Protection Compound 157, is a synthetic pentadecapeptide composed of 15 amino acids. It was originally identified as a fragment derived from a larger protein found in human gastric juice, which sparked early scientific interest due to its unusual stability and biological activity under experimental conditions. Over time, BPC-157 has become the subject of extensive preclinical investigation, particularly in laboratory and animal-based experimental models focused on tissue integrity, structural recovery mechanisms, and gastrointestinal physiology. It is important to emphasize that BPC-157 is not approved for human or animal use. All existing interest and discussion surrounding this peptide exist strictly within experimental and research frameworks. The current understanding of BPC-157 is derived almost entirely from in-vitro studies and controlled laboratory research models, and any findings should not be extrapolated to clinical, therapeutic, or veterinary applications. Within research settings, BPC-157 is typically handled as a high-purity research peptide, manufactured under controlled conditions to support reproducibility and experimental consistency. Reputable research-grade preparations are commonly described as LPS-free peptides, endotoxin-free peptides, and research peptides endotoxin tested, ensuring suitability for sensitive laboratory assays and minimizing confounding variables in experimental data. All references to BPC-157 relate solely to research use only, and no information should be interpreted as guidance for human consumption, animal administration, or medical use. Experimental observations are intended exclusively for scientific exploration and hypothesis development within regulated research environments. -
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LP2-T Overview
LP2-T is a high-purity research peptide supplied by Licensed Peptides™ as a lyophilized powder, strictly for laboratory use. It is stocked in our Metabolic Peptides range and is one of the most frequently requested compounds in the catalog, where it is used in controlled in-vitro and preclinical study designs examining receptor binding, peptide signaling and downstream assay response. Any reference to biological activity on this page relates solely to analytical and experimental work. Every batch of LP2-T is produced in a USA GMP facility using industry-standard synthesis and purification protocols, then verified by an independent laboratory before release. Each lot is analysed by HPLC to 99%+ purity, confirmed by mass spectrometry and screened for endotoxin, and the certificate of analysis for the exact lot you receive is published on this page. LP2-T is offered in 5mg through 60mg vials and in single, 3, 5 and 10 vial packs, so a study can be scaled without changing lot.Licensed Peptides’ LP2-T Product Specifications
Product Name LP2-T Peptide Class Metabolic Research Peptide Quantity Choose from 1, 3, 5, & 10 Vial Options Strength Choose from 5mg – 60mg Per Vial Options Purity 99%+ HPLC Verified Form Lyophilized Powder Manufacturing USA GMP Facility Testing Third-Party Verified Documentation Certificate of Analysis Available Storage -20°C Long-Term Application Research Use Only Storage and Handling
Lyophilized LP2-T is shipped freeze-dried for stability and is held at -20°C for long-term storage, protected from light and moisture. Once reconstituted with bacteriostatic water, LP2-T solutions are kept refrigerated at 2–8°C and used within the window supported by your protocol. Handling the vial as a lyophilized powder until the day of use is the simplest way to keep results reproducible across a study.Shipping
Vials are held in industrial-grade freezers prior to dispatch. Orders placed before 4PM PST ship the same business day, cold-packed so the peptide arrives intact and ready for reconstitution.Important Notice
We supply LP2-T for sale strictly for research purposes. It is not approved for human or veterinary use, and nothing on this page is guidance for consumption, administration or medical use. Any discussion of activity in relation to LP2-T refers solely to analytical study, whether preclinical or in vitro. -
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DSIP is a research peptide used in laboratory studies of peptide signaling, receptor interactions, and neurochemical pathways in controlled experimental systems. This product is supplied strictly for research use only. DSIP 5mg is not approved or intended for human or animal use, and any discussion of biological activity refers only to preclinical or in vitro research. -
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Licensed Peptides’ LP3-R Product Specifications
Product Name LP3-R Peptide Class Triple Receptor Agonist Quantity Choose from 1, 3, 5, & 10 Vial Options Strength Choose from 5mg – 60mg Per Vial Options Purity 99%+ HPLC Verified Form Lyophilized Powder Manufacturing USA GMP Facility Testing Third-Party Verified Documentation Certificate of Analysis Available Storage -20°C Long-Term Application Research Use Only Important Notice
We supply LP3-R for sale strictly for research purposes. It’s not approved for human or veterinary use. Any discussion of biological activity in relation to LP3-R refers solely to analytical study, whether regarding preclinical or in vitro research. -
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Get high-quality, high purity GHK-Cu peptides for research involving copper binding, cell signaling, fibroblast activity, and extracellular-matrix processes. Our lyophilized GHK-Cu comes in both 50 mg and 100 mg strengths to suit a wide range of studies. Disclaimer: Licensed Peptides supplies GHK-Cu for laboratory research, analytical testing, and controlled scientific applications. It isn’t intended for human or animal consumption, administration, therapeutic use, clinical use, veterinary use, diagnosis, treatment, cure, or prevention of any disease or medical condition. -
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Thymosin Alpha-1 5mg is a laboratory research peptide modeled after a naturally occurring thymic fraction and used to study immune-related signaling pathways in controlled experimental systems. Originally isolated from thymus tissue, it is widely used in research to examine T-cell maturation, cytokine behavior, antigen-presentation mechanisms, and receptor-level interactions. This product is supplied strictly for research use only. It is not approved or intended for human or animal use, and any discussion of biological activity refers only to preclinical or in vitro research. Over the past several decades, Tα1 has been utilized extensively in in-vitro studies and experimental models designed to explore the molecular dynamics of immune regulation. Research teams often employ this peptide to observe changes in cytokine behavior, examine antigen-presentation mechanisms, characterize receptor-level interactions, and assess how immune pathways adapt under conditions of induced stress. These investigations are conducted strictly in research settings and have contributed valuable insights into immune modulation, intracellular communication, and molecular defense organization. Thymosin Alpha-1 5mg supplied for research purposes is manufactured as a high-purity peptide, suitable for laboratory experimentation requiring stringent quality parameters. The material is produced as an LPS-free peptide and an endotoxin-free peptide, helping to reduce confounding variables in immune and cellular signaling studies. All research peptides are endotoxin tested to ensure consistency, reliability, and reproducibility across experimental applications. It is essential to emphasize that Thymosin Alpha-1 is not approved, marketed, or intended for human or animal use. Its role is strictly limited to scientific research and controlled laboratory experimentation. No claims are made regarding therapeutic outcomes, physiological enhancement, or direct biological benefit outside of research observations. Any reference to outcomes pertains solely to experimental models, laboratory systems, or research subjects under controlled study conditions. -
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Selank 10mg is a laboratory research peptide used to study peptide behavior, receptor interactions, and cellular signaling pathways in controlled experimental systems. This product is supplied strictly for research use only. It is not approved or intended for human or animal use, and any discussion of biological activity refers only to preclinical or in vitro research.