Bioactive Peptides, Peptide Inhibitors & Custom Peptide Synthesis for Research

High-purity research peptides including antimicrobial peptides, GPCR ligands, and peptide inhibitors. Custom peptide synthesis with fast delivery and strict QC.

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LinkPeptide provides high quality catalog peptides with different purity at highly competitive prices. Our catalog peptides are supported by our unparalleled experience in peptide synthesis. We have nearly 10 years experience in synthesizing peptides, LinkPeptide is the premier supplier of high quality peptides to leading biotechnology companies and academic institutions.

Bioactive Peptides

Naturally derived or synthetic peptides with diverse biological functions, widely used in signaling studies, drug discovery, and functional research applications.

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Peptide Inhibitors

Specialized peptides designed to block specific protein interactions or enzymatic activity, supporting targeted pathway analysis and therapeutic research development.

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Cosmetic Peptides

Peptides formulated for skincare research, focusing on anti-aging, skin repair, and collagen stimulation mechanisms in cosmetic science applications.

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Labeled Peptides

Peptides conjugated with fluorescent, biotin, or isotopic labels for tracking, imaging, and quantitative analysis in biochemical and cellular studies.

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Peptide Substrates

High-quality substrates for enzymatic assays, enabling precise measurement of protease activity and kinetic studies in various biological systems.

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Cell Penetrating Peptides

Short peptides capable of delivering cargos across cell membranes, widely used for intracellular delivery of drugs, nucleic acids, and biomolecules.

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Synthesis & Building Blocks

Comprehensive range of amino acids, reagents, and intermediates supporting efficient peptide synthesis and customization for research and industrial applications.

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Bioactive Peptides
Peptide Inhibitors
Cosmetic Peptides
Labeled Peptides
Peptide Substrates
Cell Penetrating Peptides
Synthesis & Building Blocks

Providing high-quality bioactive peptides, inhibitors, and custom peptide synthesis for pharmaceutical and academic research.

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​High-quality peptides for research, drug discovery, and cosmetic applications, 8+ years of peptide synthesis expertise,

End-to-end solutions from custom synthesis to large-scale production, flexible support for diverse research needs

ABOUT LINKPEPTIDE

8+ years of peptide synthesis expertise: Where proven quality meets advanced technologies for modern life science research.

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LinkPeptide delivers high-quality catalog peptides with multiple purity options at competitive prices. Our products are backed by extensive experience in peptide synthesis and strict quality control standards.

With nearly a decade of expertise, LinkPeptide is a trusted partner for biotechnology companies and academic institutions, supporting research in drug discovery, molecular biology, and cosmetic science.

  • Broad portfolio of bioactive peptides, inhibitors, cosmetic peptides, and custom synthesis services
  • High purity standards with reliable analytical validation HPLC, MS
  • Flexible customization, from small-scale research to large-scale production
  • Fast turnaround times with global delivery and technical support
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More about us

Peptides & Amino acids for Laboratories

ADVANCED LAB & MANUFACTURING

State-of-the-art production site supporting scalable peptide synthesis, from research-grade batches to large-scale manufacturing.

SPPS Synthesis Laboratory Equipped with advanced solid-phase peptide synthesis (SPPS) platforms, enabling precise, efficient, and high-throughput peptide productio

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Modern Peptide Facility

State-of-the-art production site supporting scalable peptide synthesis, from research-grade batches to large-scale manufacturing.

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SPPS Synthesis Laboratory

Equipped with advanced solid-phase peptide synthesis (SPPS) platforms, enabling precise, efficient, and high-throughput peptide production.

Integrated Production Workflow

Seamless transition from synthesis to purification and analysis, ensuring fast turnaround and reproducible, high-quality peptide products.

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HPLC & Mass Spectrometry

High-performance liquid chromatography (HPLC) and MS systems for purity analysis, identity confirmation, and batch consistency verification.

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Latest blog

Bioactive Peptides: Unveiling Their Therapeutic...

Bioactive Peptides: Unveiling Their Therapeutic Potential and Multidisciplinary Applications

Bioactive peptides are short chains of amino acids that possess significant biological activities, making them valuable in a variety of applications, particularly in healthcare, food, and agriculture. These peptides are derived from natural sources such as plants, animals, and microorganisms, and exhibit various health-promoting effects, inclu…

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Next-Generation PROTACs: Peptide Strategies for...

Next-Generation PROTACs: Peptide Strategies for Advanced Therapeutics

Proteolysis-targeting chimeras (PROTACs) have emerged as a transformative modality in drug discovery by leveraging the ubiquitin–proteasome system to selectively degrade disease-associated proteins. While small-molecule PROTACs have demonstrated success, their reliance on well-defined ligandable pockets leaves many clinically relevant proteins …

Engineering Esc(1-21): Isopeptide Bond Position...

Engineering Esc(1-21): Isopeptide Bond Positioning for Optimized Antimicrobial Performance

Antimicrobial peptides (AMPs) are promising candidates for combating multidrug-resistant pathogens, yet their therapeutic potential is often limited by host cytotoxicity and proteolytic instability. This study focuses on Esculentin-1a(1–21)NH₂ [Esc(1-21)], a frog-skin–derived AMP with potent Gram-negative activity, and explores a novel optimiza…

The Future of Immune Checkpoint Inhibition &#82...

The Future of Immune Checkpoint Inhibition – Small Molecule and Peptide-Based Approaches

Immune checkpoint inhibitors have revolutionized cancer immunotherapy, yet monoclonal antibodies (mAbs) face limitations such as poor oral bioavailability, high immunogenicity, and restricted patient response rates. To address these challenges, small molecule and peptide-based checkpoint inhibitors have emerged as promising alternatives, offeri…

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