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    <title>Pepty Peptide Research Blog</title>
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    <description>Educational articles on peptide science, research updates, vendor guidance, and protocol best practices.</description>
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    <lastBuildDate>Sun, 05 Apr 2026 14:44:15 GMT</lastBuildDate>
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    <item>
      <title><![CDATA[What Are Peptides? A Complete Beginner's Guide to Peptide Research]]></title>
      <link>https://pepty.app/blog/what-are-peptides-complete-beginners-guide</link>
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      <description><![CDATA[A comprehensive introduction to peptides — what they are, how they differ from proteins, the categories of research peptides, how they work as signaling molecules, and how to approach peptide research responsibly.]]></description>
      <category>Peptide Guides</category>
      <pubDate>Wed, 11 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[BPC-157 vs TB-500: Comparing Recovery Peptides]]></title>
      <link>https://pepty.app/blog/bpc-157-vs-tb-500-recovery-peptides</link>
      <guid isPermaLink="true">https://pepty.app/blog/bpc-157-vs-tb-500-recovery-peptides</guid>
      <description><![CDATA[A detailed comparison of BPC-157 and TB-500, two of the most widely studied recovery peptides. Explore their mechanisms, research profiles, and how they differ in preclinical tissue repair studies.]]></description>
      <category>Recovery & Healing</category>
      <pubDate>Wed, 11 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Semaglutide and the GLP-1 Revolution: What Researchers Need to Know]]></title>
      <link>https://pepty.app/blog/semaglutide-glp1-revolution</link>
      <guid isPermaLink="true">https://pepty.app/blog/semaglutide-glp1-revolution</guid>
      <description><![CDATA[A comprehensive research overview of semaglutide, the GLP-1 receptor agonist that has reshaped metabolic health research with over 169 PubMed studies, $29.3B in revenue, and expanding clinical applications from weight management to cardiovascular outcomes.]]></description>
      <category>Metabolic Health</category>
      <pubDate>Tue, 10 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Semaglutide vs Tirzepatide: GLP-1 Agonist Comparison]]></title>
      <link>https://pepty.app/blog/semaglutide-vs-tirzepatide-comparison</link>
      <guid isPermaLink="true">https://pepty.app/blog/semaglutide-vs-tirzepatide-comparison</guid>
      <description><![CDATA[A comprehensive comparison of semaglutide and tirzepatide, the two leading GLP-1 receptor agonists. Examine clinical trial data, mechanisms, efficacy, side effects, cost, and FDA approval status.]]></description>
      <category>Metabolic Health</category>
      <pubDate>Tue, 10 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[The Complete Guide to Peptide Research in 2026]]></title>
      <link>https://pepty.app/blog/complete-guide-peptide-research-2026</link>
      <guid isPermaLink="true">https://pepty.app/blog/complete-guide-peptide-research-2026</guid>
      <description><![CDATA[A comprehensive overview of the peptide research landscape in 2026, covering peptide categories, key compounds, research protocols, safety considerations, and the current state of clinical science.]]></description>
      <category>Peptide Guides</category>
      <pubDate>Tue, 10 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[GHK-Cu: The Copper Peptide Behind Skin Regeneration and Anti-Aging Research]]></title>
      <link>https://pepty.app/blog/ghk-cu-copper-peptide-skin-regeneration</link>
      <guid isPermaLink="true">https://pepty.app/blog/ghk-cu-copper-peptide-skin-regeneration</guid>
      <description><![CDATA[An in-depth exploration of GHK-Cu, the naturally occurring copper peptide complex studied for its roles in collagen synthesis, wound healing, anti-aging, and tissue remodeling.]]></description>
      <category>Skin & Aesthetics</category>
      <pubDate>Mon, 09 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Tirzepatide: The Dual GIP/GLP-1 Receptor Agonist Reshaping Metabolic Research]]></title>
      <link>https://pepty.app/blog/tirzepatide-dual-agonist-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/tirzepatide-dual-agonist-research</guid>
      <description><![CDATA[A comprehensive research overview of tirzepatide, the dual GIP/GLP-1 receptor agonist marketed as Mounjaro and Zepbound. Explore its mechanism, SURMOUNT and SURPASS trial data, $16.5B revenue trajectory, and how it compares to semaglutide.]]></description>
      <category>Metabolic Health</category>
      <pubDate>Mon, 09 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Peptide Clinical Trials Are Surging: What It Means for Research in 2026]]></title>
      <link>https://pepty.app/blog/peptide-clinical-trials-surging-2026</link>
      <guid isPermaLink="true">https://pepty.app/blog/peptide-clinical-trials-surging-2026</guid>
      <description><![CDATA[An in-depth look at the explosion of peptide clinical trials in 2026, driven by GLP-1 success, AI-accelerated discovery, and expanding therapeutic applications across cancer, neurodegeneration, and metabolic disease.]]></description>
      <category>Research & Science</category>
      <pubDate>Sun, 08 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[BPC-157: What the Research Says About the Body Protection Compound]]></title>
      <link>https://pepty.app/blog/bpc-157-body-protection-compound-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/bpc-157-body-protection-compound-research</guid>
      <description><![CDATA[An in-depth look at BPC-157, a 15-amino-acid peptide derived from gastric juice proteins. Explore the preclinical research on tissue repair, gut mucosal defense, angiogenesis, and neurological effects.]]></description>
      <category>Recovery & Healing</category>
      <pubDate>Sun, 08 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[CJC-1295 vs Sermorelin: Growth Hormone Peptide Comparison]]></title>
      <link>https://pepty.app/blog/cjc-1295-vs-sermorelin-comparison</link>
      <guid isPermaLink="true">https://pepty.app/blog/cjc-1295-vs-sermorelin-comparison</guid>
      <description><![CDATA[A research-focused comparison of CJC-1295 and sermorelin, two growth hormone-releasing hormone analogs. Explore half-life differences, DAC vs no-DAC variants, mechanisms, and research applications.]]></description>
      <category>Growth Hormone</category>
      <pubDate>Sun, 08 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[What Is BPC-157? A Research Overview]]></title>
      <link>https://pepty.app/blog/what-is-bpc-157</link>
      <guid isPermaLink="true">https://pepty.app/blog/what-is-bpc-157</guid>
      <description><![CDATA[BPC-157 is a synthetic 15-amino-acid peptide derived from human gastric juice proteins, studied in preclinical research for its tissue-protective and regenerative properties.]]></description>
      <category>Recovery & Healing</category>
      <pubDate>Sun, 08 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[CJC-1295 and Ipamorelin: The Research Behind Growth Hormone Peptides]]></title>
      <link>https://pepty.app/blog/cjc-1295-ipamorelin-growth-hormone-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/cjc-1295-ipamorelin-growth-hormone-research</guid>
      <description><![CDATA[An in-depth look at CJC-1295 and Ipamorelin, two widely studied growth hormone peptides, their mechanisms of action, synergistic potential, and what the published research reveals.]]></description>
      <category>Growth Hormone</category>
      <pubDate>Sat, 07 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Nootropic Peptides: The Research Behind Cognitive Enhancement Compounds]]></title>
      <link>https://pepty.app/blog/nootropic-peptides-cognitive-enhancement-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/nootropic-peptides-cognitive-enhancement-research</guid>
      <description><![CDATA[A comprehensive review of nootropic peptide research including Selank, Semax, Dihexa, P21, PE-22-28, Pinealon, and Cortagen — covering mechanisms of action, evidence quality, and current research stages.]]></description>
      <category>Cognitive & Nootropic</category>
      <pubDate>Fri, 06 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Retatrutide: The Triple Agonist Setting New Records in Obesity Research]]></title>
      <link>https://pepty.app/blog/retatrutide-triple-agonist-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/retatrutide-triple-agonist-research</guid>
      <description><![CDATA[A research-focused overview of retatrutide (LY3437943), the investigational triple GIP/GLP-1/glucagon receptor agonist from Eli Lilly that achieved 23.7% body weight reduction in Phase 2 trials, the largest ever recorded in an obesity trial.]]></description>
      <category>Metabolic Health</category>
      <pubDate>Fri, 06 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[GHK-Cu vs GHK: Copper Peptide Comparison]]></title>
      <link>https://pepty.app/blog/ghk-cu-vs-ghk-copper-peptide-comparison</link>
      <guid isPermaLink="true">https://pepty.app/blog/ghk-cu-vs-ghk-copper-peptide-comparison</guid>
      <description><![CDATA[A detailed comparison of GHK-Cu (copper-bound) and GHK (free tripeptide) forms. Explore their mechanisms, gene expression effects, topical applications, and what the research says about each.]]></description>
      <category>Skin & Aesthetics</category>
      <pubDate>Fri, 06 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[The Ultimate Guide to Recovery Peptides: BPC-157, TB-500 & Beyond]]></title>
      <link>https://pepty.app/blog/ultimate-guide-recovery-peptides</link>
      <guid isPermaLink="true">https://pepty.app/blog/ultimate-guide-recovery-peptides</guid>
      <description><![CDATA[A comprehensive overview of recovery and tissue repair peptides, including BPC-157, TB-500, and emerging gut health compounds. Explore mechanisms of action, research evidence, comparisons, and stacking considerations.]]></description>
      <category>Recovery & Healing</category>
      <pubDate>Fri, 06 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[TB-500: Thymosin Beta-4 and the Science of Tissue Recovery]]></title>
      <link>https://pepty.app/blog/tb-500-thymosin-beta-4-tissue-recovery</link>
      <guid isPermaLink="true">https://pepty.app/blog/tb-500-thymosin-beta-4-tissue-recovery</guid>
      <description><![CDATA[Explore the science behind TB-500, a synthetic fragment of Thymosin Beta-4. Learn about its role in actin regulation, cell migration, angiogenesis, and the preclinical research on tissue recovery.]]></description>
      <category>Recovery & Healing</category>
      <pubDate>Thu, 05 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[What Is TB-500? A Research Overview]]></title>
      <link>https://pepty.app/blog/what-is-tb-500</link>
      <guid isPermaLink="true">https://pepty.app/blog/what-is-tb-500</guid>
      <description><![CDATA[TB-500 is a synthetic fragment of Thymosin Beta-4, a naturally occurring protein involved in cell migration, tissue repair, and inflammation modulation.]]></description>
      <category>Recovery & Healing</category>
      <pubDate>Thu, 05 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Immune-Modulating Peptides: From LL-37 to Thymosin Alpha-1]]></title>
      <link>https://pepty.app/blog/immune-modulating-peptides-ll37-thymosin-alpha1</link>
      <guid isPermaLink="true">https://pepty.app/blog/immune-modulating-peptides-ll37-thymosin-alpha1</guid>
      <description><![CDATA[A thorough review of immune-modulating peptide research covering LL-37, Thymosin Alpha-1, ARA-290, Thymalin, Thymagen, Crystagen, and Vilon — comparing antimicrobial, immunomodulatory, and bioregulatory approaches.]]></description>
      <category>Immune Health</category>
      <pubDate>Wed, 04 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[LL-37: The Human Cathelicidin Antimicrobial Peptide in Immune Research]]></title>
      <link>https://pepty.app/blog/ll-37-cathelicidin-antimicrobial-peptide-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/ll-37-cathelicidin-antimicrobial-peptide-research</guid>
      <description><![CDATA[An in-depth exploration of LL-37, the only human cathelicidin antimicrobial peptide. Review its broad-spectrum antimicrobial activity, immunomodulatory roles, biofilm disruption capabilities, and emerging research in wound healing and cancer biology.]]></description>
      <category>Immune Health</category>
      <pubDate>Wed, 04 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Selank vs Semax: Nootropic Peptide Comparison]]></title>
      <link>https://pepty.app/blog/selank-vs-semax-nootropic-comparison</link>
      <guid isPermaLink="true">https://pepty.app/blog/selank-vs-semax-nootropic-comparison</guid>
      <description><![CDATA[A research comparison of Selank and Semax, two Russian-developed regulatory peptides studied for cognitive and anxiolytic effects. Explore their distinct mechanisms, regulatory history, and research applications.]]></description>
      <category>Cognitive & Nootropic</category>
      <pubDate>Wed, 04 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[The Complete Guide to GLP-1 Receptor Agonists: From Semaglutide to Retatrutide]]></title>
      <link>https://pepty.app/blog/complete-guide-glp1-receptor-agonists</link>
      <guid isPermaLink="true">https://pepty.app/blog/complete-guide-glp1-receptor-agonists</guid>
      <description><![CDATA[An in-depth comparison of every major GLP-1 receptor agonist in research and clinical development, including semaglutide, tirzepatide, retatrutide, liraglutide, cagrilintide, survodutide, and mazdutide. Mechanism differences, efficacy data, and market positions.]]></description>
      <category>Metabolic Health</category>
      <pubDate>Tue, 03 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[What Is Semaglutide? A Research Overview]]></title>
      <link>https://pepty.app/blog/what-is-semaglutide</link>
      <guid isPermaLink="true">https://pepty.app/blog/what-is-semaglutide</guid>
      <description><![CDATA[Semaglutide is a GLP-1 receptor agonist originally developed for type 2 diabetes that has become one of the most studied compounds for weight management and metabolic health.]]></description>
      <category>Metabolic Health</category>
      <pubDate>Tue, 03 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Growth Hormone Peptides: A Comprehensive Research Guide]]></title>
      <link>https://pepty.app/blog/comprehensive-guide-growth-hormone-peptides</link>
      <guid isPermaLink="true">https://pepty.app/blog/comprehensive-guide-growth-hormone-peptides</guid>
      <description><![CDATA[A detailed research guide to growth hormone peptides including GHRH analogs (CJC-1295, sermorelin) and secretagogues (ipamorelin, GHRP-6). Covers the GH axis, compound comparisons, combination protocols, and safety profiles.]]></description>
      <category>Growth Hormone</category>
      <pubDate>Tue, 03 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Epithalon: The Telomerase-Activating Peptide and Longevity Research]]></title>
      <link>https://pepty.app/blog/epithalon-telomerase-longevity-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/epithalon-telomerase-longevity-research</guid>
      <description><![CDATA[A detailed examination of Epithalon (Epitalon), the synthetic tetrapeptide studied for telomerase activation, pineal gland function, and potential longevity effects, along with related bioregulator peptides.]]></description>
      <category>Longevity & Anti-Aging</category>
      <pubDate>Mon, 02 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Ipamorelin vs GHRP-6: Growth Hormone Secretagogue Comparison]]></title>
      <link>https://pepty.app/blog/ipamorelin-vs-ghrp6-secretagogue-comparison</link>
      <guid isPermaLink="true">https://pepty.app/blog/ipamorelin-vs-ghrp6-secretagogue-comparison</guid>
      <description><![CDATA[A research comparison of Ipamorelin and GHRP-6, two growth hormone secretagogues that activate the ghrelin receptor. Explore their selectivity, side effect profiles, and why researchers choose one over the other.]]></description>
      <category>Growth Hormone</category>
      <pubDate>Mon, 02 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[How to Read a Certificate of Analysis (COA): Protecting Your Research]]></title>
      <link>https://pepty.app/blog/how-to-read-certificate-of-analysis-coa</link>
      <guid isPermaLink="true">https://pepty.app/blog/how-to-read-certificate-of-analysis-coa</guid>
      <description><![CDATA[Learn how to read and evaluate Certificates of Analysis for research peptides, including HPLC, mass spectrometry, endotoxin testing, and how to spot red flags that indicate poor quality or fraudulent documentation.]]></description>
      <category>Vendor & COA Education</category>
      <pubDate>Sun, 01 Mar 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Peptide Reconstitution: A Complete Practical Guide]]></title>
      <link>https://pepty.app/blog/peptide-reconstitution-practical-guide</link>
      <guid isPermaLink="true">https://pepty.app/blog/peptide-reconstitution-practical-guide</guid>
      <description><![CDATA[A thorough guide to reconstituting lyophilized peptides, including diluent selection, sterile technique, concentration calculations, storage best practices, and common mistakes to avoid.]]></description>
      <category>Peptide Guides</category>
      <pubDate>Sat, 28 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Best Peptides for Healing and Recovery: A Comprehensive Research Overview]]></title>
      <link>https://pepty.app/blog/best-peptides-healing-recovery-overview</link>
      <guid isPermaLink="true">https://pepty.app/blog/best-peptides-healing-recovery-overview</guid>
      <description><![CDATA[A thorough guide to the peptides studied for tissue repair and recovery, including BPC-157, TB-500, GHK-Cu, Ac-SDKP, and TB-500 Frag 17-23. Understand their mechanisms, how they complement each other, and what the research says.]]></description>
      <category>Recovery & Healing</category>
      <pubDate>Sat, 28 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Thymosin Alpha-1: The Thymic Peptide Approved as an Immune Modulator in 35+ Countries]]></title>
      <link>https://pepty.app/blog/thymosin-alpha-1-immune-modulator-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/thymosin-alpha-1-immune-modulator-research</guid>
      <description><![CDATA[A comprehensive research overview of Thymosin Alpha-1 (Ta1), the 28-amino-acid thymic peptide marketed as Zadaxin. Explore its mechanism of immune modulation through dendritic cells, T-cells, and NK cells, its clinical use in hepatitis and cancer, and its regulatory history.]]></description>
      <category>Immune Health</category>
      <pubDate>Sat, 28 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[What Is Tirzepatide? A Research Overview]]></title>
      <link>https://pepty.app/blog/what-is-tirzepatide</link>
      <guid isPermaLink="true">https://pepty.app/blog/what-is-tirzepatide</guid>
      <description><![CDATA[Tirzepatide is a dual GIP/GLP-1 receptor agonist that represents a new class of incretin-based therapeutics for type 2 diabetes and obesity management.]]></description>
      <category>Metabolic Health</category>
      <pubDate>Sat, 28 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Liraglutide: The First-Generation Daily GLP-1 That Paved the Way]]></title>
      <link>https://pepty.app/blog/liraglutide-first-generation-glp1</link>
      <guid isPermaLink="true">https://pepty.app/blog/liraglutide-first-generation-glp1</guid>
      <description><![CDATA[A comprehensive overview of liraglutide (Saxenda/Victoza), the first-generation daily GLP-1 receptor agonist with 97% homology to human GLP-1 that established the foundation for the entire class of incretin-based metabolic therapies.]]></description>
      <category>Metabolic Health</category>
      <pubDate>Fri, 27 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Skin and Cosmetic Peptides: From Copper Peptides to Melanotan]]></title>
      <link>https://pepty.app/blog/skin-cosmetic-peptides-copper-melanotan</link>
      <guid isPermaLink="true">https://pepty.app/blog/skin-cosmetic-peptides-copper-melanotan</guid>
      <description><![CDATA[A comprehensive guide to the major peptides studied for skin health, cosmetic applications, and pigmentation, including GHK-Cu, GHK, AHK-Cu, SNAP-8, Melanotan I, Melanotan II, and PTD-DBM.]]></description>
      <category>Skin & Aesthetics</category>
      <pubDate>Thu, 26 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Gonadorelin: The GnRH Decapeptide Behind Reproductive Hormone Diagnostics]]></title>
      <link>https://pepty.app/blog/gonadorelin-gnrh-peptide-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/gonadorelin-gnrh-peptide-research</guid>
      <description><![CDATA[An in-depth research overview of gonadorelin, the synthetic gonadotropin-releasing hormone (GnRH) used diagnostically to evaluate pituitary function and stimulate LH/FSH release.]]></description>
      <category>Hormonal Health</category>
      <pubDate>Thu, 26 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Growth Hormone Secretagogues: A Complete Research Guide]]></title>
      <link>https://pepty.app/blog/growth-hormone-secretagogues-complete-guide</link>
      <guid isPermaLink="true">https://pepty.app/blog/growth-hormone-secretagogues-complete-guide</guid>
      <description><![CDATA[A comprehensive guide to every major growth hormone secretagogue studied in research, including GHRH analogs, GHRPs, and growth factors, with detailed comparisons of their mechanisms, selectivity, and research profiles.]]></description>
      <category>Growth Hormone</category>
      <pubDate>Wed, 25 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[GHK: The Free Tripeptide Behind Remarkable Gene Expression Research]]></title>
      <link>https://pepty.app/blog/ghk-tripeptide-gene-expression-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/ghk-tripeptide-gene-expression-research</guid>
      <description><![CDATA[An in-depth exploration of GHK (Gly-His-Lys), the free tripeptide found in human plasma that declines with age and has been shown to modulate the expression of over 1,300 genes involved in tissue remodeling and regeneration.]]></description>
      <category>Skin & Aesthetics</category>
      <pubDate>Wed, 25 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[What Is GHK-Cu? A Research Overview]]></title>
      <link>https://pepty.app/blog/what-is-ghk-cu</link>
      <guid isPermaLink="true">https://pepty.app/blog/what-is-ghk-cu</guid>
      <description><![CDATA[GHK-Cu is a naturally occurring copper-binding tripeptide studied for its roles in wound healing, collagen synthesis, anti-inflammatory signaling, and gene expression modulation.]]></description>
      <category>Skin & Aesthetics</category>
      <pubDate>Wed, 25 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[PT-141 and Hormonal Peptides: Research on Sexual Health and Reproductive Function]]></title>
      <link>https://pepty.app/blog/pt-141-hormonal-peptides-sexual-reproductive-health</link>
      <guid isPermaLink="true">https://pepty.app/blog/pt-141-hormonal-peptides-sexual-reproductive-health</guid>
      <description><![CDATA[A comprehensive review of peptides studied for their roles in sexual health, reproductive function, and hormonal regulation, including PT-141/Bremelanotide, Gonadorelin, Kisspeptin, HCG, Triptorelin, Oxytocin, and Desmopressin.]]></description>
      <category>Hormonal Health</category>
      <pubDate>Tue, 24 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Follistatin-344: Myostatin Inhibitor Research Profile]]></title>
      <link>https://pepty.app/blog/follistatin-344-myostatin-inhibitor-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/follistatin-344-myostatin-inhibitor-research</guid>
      <description><![CDATA[A comprehensive research profile of Follistatin-344, a naturally occurring protein that inhibits myostatin and activin. Explore its role in muscle mass regulation, gene therapy research, the FST-344 vs FST-315 distinction, and current scientific understanding.]]></description>
      <category>Muscle & Performance</category>
      <pubDate>Tue, 24 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[FOXO4-DRI: The Senolytic Peptide Targeting Cellular Senescence in Aging Research]]></title>
      <link>https://pepty.app/blog/foxo4-dri-senolytic-peptide-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/foxo4-dri-senolytic-peptide-research</guid>
      <description><![CDATA[A comprehensive research overview of FOXO4-DRI, the D-retro-inverso peptide designed to disrupt the FOXO4-p53 interaction in senescent cells, triggering selective apoptosis of aged cells while sparing healthy ones.]]></description>
      <category>Longevity & Anti-Aging</category>
      <pubDate>Mon, 23 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Selank and Semax: Russian Regulatory Peptides for Brain Research]]></title>
      <link>https://pepty.app/blog/selank-semax-regulatory-peptides-brain-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/selank-semax-regulatory-peptides-brain-research</guid>
      <description><![CDATA[An in-depth comparison of Selank and Semax — two Russian-approved peptides with extensive research profiles in anxiolytic, nootropic, and neuroprotective applications, including their N-Acetyl variants.]]></description>
      <category>Cognitive & Nootropic</category>
      <pubDate>Sun, 22 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[AOD-9604: The Modified Growth Hormone Fragment for Fat Metabolism Research]]></title>
      <link>https://pepty.app/blog/aod-9604-growth-hormone-fragment-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/aod-9604-growth-hormone-fragment-research</guid>
      <description><![CDATA[A detailed research overview of AOD-9604, the modified fragment of human growth hormone (amino acids 177-191) investigated for its lipolytic properties and potential to promote fat metabolism without the systemic effects of full-length GH.]]></description>
      <category>Metabolic Health</category>
      <pubDate>Sun, 22 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Dihexa (PNB-0408): The Ultra-Potent Nootropic Peptide in Cognitive Research]]></title>
      <link>https://pepty.app/blog/dihexa-pnb0408-nootropic-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/dihexa-pnb0408-nootropic-research</guid>
      <description><![CDATA[A comprehensive research overview of Dihexa (PNB-0408), the angiotensin IV analog reported to be seven orders of magnitude more potent than BDNF at promoting synaptogenesis. Explore its HGF/c-Met mechanism, animal cognition data, and current research status.]]></description>
      <category>Cognitive & Nootropic</category>
      <pubDate>Sat, 21 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Fat Loss Peptides: AOD-9604, HGH Fragment, and Metabolic Research]]></title>
      <link>https://pepty.app/blog/fat-loss-peptides-aod9604-hgh-fragment</link>
      <guid isPermaLink="true">https://pepty.app/blog/fat-loss-peptides-aod9604-hgh-fragment</guid>
      <description><![CDATA[A research-focused overview of peptides investigated for fat loss applications, including AOD-9604, HGH Fragment 176-191, Adipotide, Tesamorelin, 5-Amino-1MQ, and MOTS-c. Compares GLP-1, GH-fragment, and direct fat-targeting approaches.]]></description>
      <category>Metabolic Health</category>
      <pubDate>Fri, 20 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[ARA-290 (Cibinetide): The Innate Repair Receptor Agonist in Neuropathy Research]]></title>
      <link>https://pepty.app/blog/ara-290-cibinetide-innate-repair-receptor-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/ara-290-cibinetide-innate-repair-receptor-research</guid>
      <description><![CDATA[A research overview of ARA-290 (cibinetide), an 11-amino-acid peptide derived from erythropoietin that selectively activates the innate repair receptor without stimulating erythropoiesis. Explore its mechanism, neuropathy clinical data, and sarcoidosis research.]]></description>
      <category>Immune Health</category>
      <pubDate>Fri, 20 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[What Is Selank? A Research Overview]]></title>
      <link>https://pepty.app/blog/what-is-selank</link>
      <guid isPermaLink="true">https://pepty.app/blog/what-is-selank</guid>
      <description><![CDATA[Selank is a synthetic heptapeptide derived from tuftsin, developed in Russia as an anxiolytic and nootropic compound that modulates neurotransmitter systems and immune function.]]></description>
      <category>Cognitive & Nootropic</category>
      <pubDate>Fri, 20 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[GHRP-2: Growth Hormone Releasing Peptide-2 Research Profile]]></title>
      <link>https://pepty.app/blog/ghrp-2-growth-hormone-releasing-peptide</link>
      <guid isPermaLink="true">https://pepty.app/blog/ghrp-2-growth-hormone-releasing-peptide</guid>
      <description><![CDATA[A comprehensive research profile of GHRP-2, a potent growth hormone releasing peptide that acts as a ghrelin receptor agonist. Explore its mechanism, selectivity profile, effects on cortisol and prolactin, and how it compares to other GHRPs.]]></description>
      <category>Growth Hormone</category>
      <pubDate>Thu, 19 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Kisspeptin: The Upstream Gatekeeper of Reproductive Hormone Regulation]]></title>
      <link>https://pepty.app/blog/kisspeptin-reproductive-hormone-research</link>
      <guid isPermaLink="true">https://pepty.app/blog/kisspeptin-reproductive-hormone-research</guid>
      <description><![CDATA[A comprehensive exploration of kisspeptin (KISS1), the neuropeptide that sits upstream of GnRH as the master regulator of puberty, fertility, and reproductive endocrinology.]]></description>
      <category>Hormonal Health</category>
      <pubDate>Thu, 19 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Comparing Peptide Vendors: What Researchers Should Look For]]></title>
      <link>https://pepty.app/blog/comparing-peptide-vendors-what-to-look-for</link>
      <guid isPermaLink="true">https://pepty.app/blog/comparing-peptide-vendors-what-to-look-for</guid>
      <description><![CDATA[A detailed guide to evaluating peptide vendors, covering quality indicators, pricing transparency, shipping practices, reputation signals, regulatory compliance, and red flags to watch for.]]></description>
      <category>Vendor & COA Education</category>
      <pubDate>Wed, 18 Feb 2026 00:00:00 GMT</pubDate>
    </item>
    <item>
      <title><![CDATA[Sermorelin: The Pioneer Growth Hormone-Releasing Peptide]]></title>
      <link>https://pepty.app/blog/sermorelin-growth-hormone-releasing-peptide</link>
      <guid isPermaLink="true">https://pepty.app/blog/sermorelin-growth-hormone-releasing-peptide</guid>
      <description><![CDATA[A detailed examination of Sermorelin, one of the earliest and most thoroughly studied growth hormone-releasing peptides, its history, mechanism of action, research findings, and how it compares to newer GHRH analogs.]]></description>
      <category>Growth Hormone</category>
      <pubDate>Wed, 18 Feb 2026 00:00:00 GMT</pubDate>
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