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    <title>Peptide Decode</title>
    <link>https://peptidedecode.com</link>
    <description>Independent, evidence-led explanations of peptides - what the research found, how strong the evidence is, and what is legal.</description>
    <language>en-us</language>
    <item>
      <title><![CDATA[Oxytocin: 71 Nasal-Spray Trials, and None for What It Is Sold For]]></title>
      <link>https://peptidedecode.com/oxytocin/</link>
      <guid isPermaLink="true">https://peptidedecode.com/oxytocin/</guid>
      <pubDate>Mon, 24 Aug 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Intranasal oxytocin has a large randomised literature - in autism, obesity and social cognition. For the libido use the peptide market sells it for, there is none.]]></description>
    </item>
    <item>
      <title><![CDATA[Pinealon: Twenty-Two Papers and No Clinical Trials]]></title>
      <link>https://peptidedecode.com/pinealon/</link>
      <guid isPermaLink="true">https://peptidedecode.com/pinealon/</guid>
      <pubDate>Mon, 24 Aug 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Pinealon is a three-amino-acid peptide with a mechanism hypothesis and essentially no human evidence. This is the shortest page on the site, and that is the finding.]]></description>
    </item>
    <item>
      <title><![CDATA[DSIP: A Sleep Peptide Whose Research Mostly Stopped in the 1990s]]></title>
      <link>https://peptidedecode.com/dsip/</link>
      <guid isPermaLink="true">https://peptidedecode.com/dsip/</guid>
      <pubDate>Sun, 23 Aug 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[DSIP has 519 papers behind it and 11 of them since 2015. The closest trial to how it is sold today ran in 1992. The name is doing most of the persuading.]]></description>
    </item>
    <item>
      <title><![CDATA[Epitalon: One Telomere Study, in Cell Lines, Doing All the Work]]></title>
      <link>https://peptidedecode.com/epitalon/</link>
      <guid isPermaLink="true">https://peptidedecode.com/epitalon/</guid>
      <pubDate>Sun, 23 Aug 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Epitalon has 142 papers, one tagged clinical trial and no randomised ones. The telomere result everyone cites was in cultured cells, not people.]]></description>
    </item>
    <item>
      <title><![CDATA[MOTS-c: The Human Studies Are About Exercise, Not Injections]]></title>
      <link>https://peptidedecode.com/mots-c/</link>
      <guid isPermaLink="true">https://peptidedecode.com/mots-c/</guid>
      <pubDate>Sun, 23 Aug 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Every MOTS-c protocol online gives you milligrams. The human research measures your own MOTS-c rising after exercise. That gap is the whole story of this compound.]]></description>
    </item>
    <item>
      <title><![CDATA[PT-141: An Approved Medicine, Sold Mostly to the Wrong People]]></title>
      <link>https://peptidedecode.com/pt-141/</link>
      <guid isPermaLink="true">https://peptidedecode.com/pt-141/</guid>
      <pubDate>Sun, 23 Aug 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Bremelanotide has two Phase 3 trials behind it and an FDA approval. The trials were in premenopausal women; the grey market sells it to men. Both facts matter.]]></description>
    </item>
    <item>
      <title><![CDATA[Semax and Selank: Where That Russian Research Actually Sits]]></title>
      <link>https://peptidedecode.com/semax-and-selank/</link>
      <guid isPermaLink="true">https://peptidedecode.com/semax-and-selank/</guid>
      <pubDate>Sun, 23 Aug 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Both rest on a real but narrow literature: mostly Russian-language, mostly two decades old, never independently replicated. We counted it rather than repeating it.]]></description>
    </item>
    <item>
      <title><![CDATA[Sermorelin: What the Trials Studied, and Who They Studied It In]]></title>
      <link>https://peptidedecode.com/sermorelin/</link>
      <guid isPermaLink="true">https://peptidedecode.com/sermorelin/</guid>
      <pubDate>Sun, 23 Aug 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Approved in 1997 for children with growth hormone deficiency, discontinued in 2008 - and the FDA says not for safety reasons. What the trials actually studied.]]></description>
    </item>
    <item>
      <title><![CDATA[SS-31 (Elamipretide): The Phase 3 Trial Missed Its Endpoints]]></title>
      <link>https://peptidedecode.com/ss-31/</link>
      <guid isPermaLink="true">https://peptidedecode.com/ss-31/</guid>
      <pubDate>Sun, 23 Aug 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[SS-31 is a real drug in real trials for rare mitochondrial disease, not aging. Its largest controlled trial missed its primary endpoints. Vendors omit that.]]></description>
    </item>
    <item>
      <title><![CDATA[Tesamorelin: The GHRH Peptide That Actually Cleared Approval]]></title>
      <link>https://peptidedecode.com/tesamorelin/</link>
      <guid isPermaLink="true">https://peptidedecode.com/tesamorelin/</guid>
      <pubDate>Sun, 23 Aug 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Same class as CJC-1295 and sermorelin, but with 26 randomised trials and an FDA approval - for visceral fat in people with HIV. That specificity is the point.]]></description>
    </item>
    <item>
      <title><![CDATA[Thymosin Alpha-1: A Real Medicine, Tested in People Far Sicker Than You]]></title>
      <link>https://peptidedecode.com/thymosin-alpha-1/</link>
      <guid isPermaLink="true">https://peptidedecode.com/thymosin-alpha-1/</guid>
      <pubDate>Sun, 23 Aug 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[64 randomised trials and approvals outside the US. The newest and largest, in the BMJ, found no clear survival benefit. None of it studied healthy people.]]></description>
    </item>
    <item>
      <title><![CDATA[Argireline (Acetyl Hexapeptide-8): The Study Evidence]]></title>
      <link>https://peptidedecode.com/skin-peptides/argireline/</link>
      <guid isPermaLink="true">https://peptidedecode.com/skin-peptides/argireline/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Argireline is sold as a topical Botox alternative. What the randomised cosmetic studies measured, how large the changes were, and where the comparison breaks down.]]></description>
    </item>
    <item>
      <title><![CDATA[Bacteriostatic Water: What It Is and Why It Matters]]></title>
      <link>https://peptidedecode.com/bacteriostatic-water/</link>
      <guid isPermaLink="true">https://peptidedecode.com/bacteriostatic-water/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Sterile water with a benzyl alcohol preservative, and the reason every reconstitution calculator names it. What the labels say, and how it differs.]]></description>
    </item>
    <item>
      <title><![CDATA[BPC-157 Benefits: What the Research Has Found]]></title>
      <link>https://peptidedecode.com/compounds/bpc-157/benefits/</link>
      <guid isPermaLink="true">https://peptidedecode.com/compounds/bpc-157/benefits/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[BPC-157 has one of the largest healing literatures in animal research. What those studies found, how small the human record is, and how to read the gap.]]></description>
    </item>
    <item>
      <title><![CDATA[BPC-157 vs TB-500: How the Two Differ]]></title>
      <link>https://peptidedecode.com/compare/bpc-157-vs-tb-500/</link>
      <guid isPermaLink="true">https://peptidedecode.com/compare/bpc-157-vs-tb-500/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Two different molecules with different literatures, sold as one healing stack. Structure, human data, legal status and WADA bans, side by side.]]></description>
    </item>
    <item>
      <title><![CDATA[CJC-1295: With DAC and Without DAC, Explained]]></title>
      <link>https://peptidedecode.com/compounds/cjc-1295/</link>
      <guid isPermaLink="true">https://peptidedecode.com/compounds/cjc-1295/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Two molecules share one name and behave nothing alike. One has a published multi-day half-life, the other has no human PK study. Plus legal status and sport bans.]]></description>
    </item>
    <item>
      <title><![CDATA[Collagen Peptide Benefits: What Human Studies Support]]></title>
      <link>https://peptidedecode.com/collagen-peptides/benefits/</link>
      <guid isPermaLink="true">https://peptidedecode.com/collagen-peptides/benefits/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Skin, joints, bone and nails: what collagen trials measured, how large the effects were, and which benefit claims run past the evidence.]]></description>
    </item>
    <item>
      <title><![CDATA[Collagen Peptides for Skin: The Trial Evidence]]></title>
      <link>https://peptidedecode.com/collagen-peptides/skin/</link>
      <guid isPermaLink="true">https://peptidedecode.com/collagen-peptides/skin/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Oral collagen for wrinkles and skin aging: what the hydration and elasticity trials measured, how strong the designs are, and how topical collagen differs.]]></description>
    </item>
    <item>
      <title><![CDATA[Collagen Peptides for Hair: What the Evidence Covers]]></title>
      <link>https://peptidedecode.com/collagen-peptides/hair/</link>
      <guid isPermaLink="true">https://peptidedecode.com/collagen-peptides/hair/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Hair claims for collagen lean on skin and nail research. What has been measured directly, what has not, and how to read before-and-after marketing.]]></description>
    </item>
    <item>
      <title><![CDATA[Collagen Peptides for Joints: What the Trials Found]]></title>
      <link>https://peptidedecode.com/collagen-peptides/joints/</link>
      <guid isPermaLink="true">https://peptidedecode.com/collagen-peptides/joints/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Joint comfort and function trials for hydrolyzed collagen and undenatured type II collagen, with the doses, the effect sizes, and who paid for the research.]]></description>
    </item>
    <item>
      <title><![CDATA[Copper Peptides (GHK-Cu): What the Research Shows]]></title>
      <link>https://peptidedecode.com/copper-peptides/</link>
      <guid isPermaLink="true">https://peptidedecode.com/copper-peptides/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[GHK-Cu is the most-hyped cosmetic peptide. What the peer-reviewed work, the conference abstracts and one negative trial add up to, and where the claims outrun them.]]></description>
    </item>
    <item>
      <title><![CDATA[GHK-Cu vs Matrixyl: Two Different Peptide Stories]]></title>
      <link>https://peptidedecode.com/compare/ghk-cu-vs-matrixyl/</link>
      <guid isPermaLink="true">https://peptidedecode.com/compare/ghk-cu-vs-matrixyl/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Copper peptides and Matrixyl-class signal peptides share a shelf and little else. Chemistry, study designs and evidence compared without picking a fake winner.]]></description>
    </item>
    <item>
      <title><![CDATA[GHK Peptide: GHK vs GHK-Cu Explained]]></title>
      <link>https://peptidedecode.com/ghk-peptide/</link>
      <guid isPermaLink="true">https://peptidedecode.com/ghk-peptide/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[The free tripeptide and the copper complex are sold under one name and studied differently. What separates them, and where the marketing overreaches.]]></description>
    </item>
    <item>
      <title><![CDATA[Peptide Glossary: The Terms You Will Meet]]></title>
      <link>https://peptidedecode.com/glossary/</link>
      <guid isPermaLink="true">https://peptidedecode.com/glossary/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Plain-English definitions for RUO, DAC, U-100, bacteriostatic water, GHK-Cu, BPC-157 and the rest of the vocabulary that vendor copy assumes you know.]]></description>
    </item>
    <item>
      <title><![CDATA[GLP-1 Peptides: Approved Medicines and the Lookalikes]]></title>
      <link>https://peptidedecode.com/glp-1-peptides/</link>
      <guid isPermaLink="true">https://peptidedecode.com/glp-1-peptides/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[GLP-1 medicines cleared large trials and carry labelled uses. How to tell an approved product from a grey-market vial, and what FDA has said about the difference.]]></description>
    </item>
    <item>
      <title><![CDATA[How Long Do Peptides Take to Work?]]></title>
      <link>https://peptidedecode.com/how-long-do-peptides-take-to-work/</link>
      <guid isPermaLink="true">https://peptidedecode.com/how-long-do-peptides-take-to-work/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Collagen, topical serums, approved drugs and research compounds each run on a different clock. What the trials measured, and over what timeframe.]]></description>
    </item>
    <item>
      <title><![CDATA[How to Reconstitute Peptides: The Arithmetic]]></title>
      <link>https://peptidedecode.com/how-to-reconstitute-peptides/</link>
      <guid isPermaLink="true">https://peptidedecode.com/how-to-reconstitute-peptides/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Concentration, draw volume and insulin-syringe units, explained as pure unit conversion so the calculators make sense. Education, not instructions for use.]]></description>
    </item>
    <item>
      <title><![CDATA[Ipamorelin: What the Clinical Record Shows]]></title>
      <link>https://peptidedecode.com/compounds/ipamorelin/</link>
      <guid isPermaLink="true">https://peptidedecode.com/compounds/ipamorelin/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Ipamorelin is a growth hormone secretagogue that reached Phase 2 and stopped there. What the 1998 pharmacology found, and what the marketing leaves out.]]></description>
    </item>
    <item>
      <title><![CDATA[Matrixyl (Palmitoyl Pentapeptide): The Evidence]]></title>
      <link>https://peptidedecode.com/skin-peptides/matrixyl/</link>
      <guid isPermaLink="true">https://peptidedecode.com/skin-peptides/matrixyl/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[What the cosmetic clinical research on Matrixyl measured, how the trade-name family differs, and why the studies do not transfer to every cream that names it.]]></description>
    </item>
    <item>
      <title><![CDATA[Melanotan: What the Published Cases Show]]></title>
      <link>https://peptidedecode.com/melanotan/</link>
      <guid isPermaLink="true">https://peptidedecode.com/melanotan/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Melanotan products are unapproved tanning peptides, and the published human record is mostly case reports of serious harm. What those cases describe.]]></description>
    </item>
    <item>
      <title><![CDATA[Peptide Dosage Calculator: What the Maths Does]]></title>
      <link>https://peptidedecode.com/peptide-dosage-calculator/</link>
      <guid isPermaLink="true">https://peptidedecode.com/peptide-dosage-calculator/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[How a dosage calculator turns vial mass, diluent and dose into draw volume and syringe units, and the line between arithmetic and advice.]]></description>
    </item>
    <item>
      <title><![CDATA[Peptide Dosing Calculator: Concentration to Units]]></title>
      <link>https://peptidedecode.com/peptide-dosing-calculator/</link>
      <guid isPermaLink="true">https://peptidedecode.com/peptide-dosing-calculator/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Convert vial strength and target dose into mL and syringe units, with the capacity-versus-scale mistake that quietly wrecks the answer.]]></description>
    </item>
    <item>
      <title><![CDATA[Peptide Injections: What People Mean by It]]></title>
      <link>https://peptidedecode.com/peptide-injections/</link>
      <guid isPermaLink="true">https://peptidedecode.com/peptide-injections/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[The same search covers approved injectable medicines, clinic programmes and research chemicals. How to tell which one an offer is, plus law and risk.]]></description>
    </item>
    <item>
      <title><![CDATA[Peptide Mixing Calculator: Diluent and Draw Volume]]></title>
      <link>https://peptidedecode.com/peptide-mixing-calculator/</link>
      <guid isPermaLink="true">https://peptidedecode.com/peptide-mixing-calculator/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[How much liquid to add, and how much that makes you draw. The two questions a mixing calculator answers, plus the mistakes that break the result.]]></description>
    </item>
    <item>
      <title><![CDATA[Peptide Reconstitution Calculator: Units, mL and U-50]]></title>
      <link>https://peptidedecode.com/peptide-reconstitution-calculator/</link>
      <guid isPermaLink="true">https://peptidedecode.com/peptide-reconstitution-calculator/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Turn mass, diluent and dose into draw volume and syringe units, including the U-50 syringe trap that produces a quiet underdose.]]></description>
    </item>
    <item>
      <title><![CDATA[Peptide Stacking: What the Combination Research Covers]]></title>
      <link>https://peptidedecode.com/peptide-stacking/</link>
      <guid isPermaLink="true">https://peptidedecode.com/peptide-stacking/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Stacking charts present combinations as if they were trial arms. What combination research exists, what it leaves out, and the questions worth asking first.]]></description>
    </item>
    <item>
      <title><![CDATA[Peptide Therapy: What the Phrase Covers]]></title>
      <link>https://peptidedecode.com/peptide-therapy/</link>
      <guid isPermaLink="true">https://peptidedecode.com/peptide-therapy/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Clinics use one phrase for approved hormones, compounded products and unapproved injectables. How to decode an offer, and what to ask before you book.]]></description>
    </item>
    <item>
      <title><![CDATA[Peptide Side Effects: What Has Been Reported]]></title>
      <link>https://peptidedecode.com/peptides-side-effects/</link>
      <guid isPermaLink="true">https://peptidedecode.com/peptides-side-effects/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Side effects track the category, not the word. What is on the label for approved drugs, what trials reported for supplements, and where the record runs thin.]]></description>
    </item>
    <item>
      <title><![CDATA[Research Peptides and US Law: What the Label Means]]></title>
      <link>https://peptidedecode.com/research-peptides/legal/</link>
      <guid isPermaLink="true">https://peptidedecode.com/research-peptides/legal/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[How FDA treats research-only peptide sales, where intended use and marketing change the category, and why a disclaimer on a vial is not a safety finding.]]></description>
    </item>
    <item>
      <title><![CDATA[TB-500: What It Is, and Why It Is Not Thymosin Beta-4]]></title>
      <link>https://peptidedecode.com/compounds/tb-500/</link>
      <guid isPermaLink="true">https://peptidedecode.com/compounds/tb-500/</guid>
      <pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[TB-500 is a seven amino acid fragment, not the full protein people cite for it. What that changes about the evidence, plus legal status and the WADA ban.]]></description>
    </item>
    <item>
      <title><![CDATA[BPC-157: What the Research Shows]]></title>
      <link>https://peptidedecode.com/compounds/bpc-157/</link>
      <guid isPermaLink="true">https://peptidedecode.com/compounds/bpc-157/</guid>
      <pubDate>Wed, 15 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[A large rodent literature, roughly 80 people of human data including one null trial, and no verified human half-life. The whole picture in one page.]]></description>
    </item>
    <item>
      <title><![CDATA[Collagen Peptides: What the Human Trials Found]]></title>
      <link>https://peptidedecode.com/collagen-peptides/</link>
      <guid isPermaLink="true">https://peptidedecode.com/collagen-peptides/</guid>
      <pubDate>Wed, 15 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Hydrolyzed collagen has real human trials behind it. The effect sizes for skin and joints, the doses used, who funded the studies, and what is still open.]]></description>
    </item>
    <item>
      <title><![CDATA[Best Collagen Peptides: Choosing on the Evidence]]></title>
      <link>https://peptidedecode.com/collagen-peptides/best/</link>
      <guid isPermaLink="true">https://peptidedecode.com/collagen-peptides/best/</guid>
      <pubDate>Wed, 15 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Studied doses, third-party testing, molecular-weight marketing and cost per studied dose. The criteria that separate a good collagen from a well-advertised one.]]></description>
    </item>
    <item>
      <title><![CDATA[Are Peptides Safe? Risks by Category, and the Law]]></title>
      <link>https://peptidedecode.com/safety/</link>
      <guid isPermaLink="true">https://peptidedecode.com/safety/</guid>
      <pubDate>Wed, 15 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Safety depends less on the molecule than on the category it sits in. What is documented for each, what is still unknown, and where the real risks concentrate.]]></description>
    </item>
    <item>
      <title><![CDATA[Peptides for Skin: The Evidence Behind the Big Names]]></title>
      <link>https://peptidedecode.com/skin-peptides/</link>
      <guid isPermaLink="true">https://peptidedecode.com/skin-peptides/</guid>
      <pubDate>Wed, 15 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[The four classes of cosmetic peptide, GHK-Cu in depth, whether any of it gets through skin, and how peptides compare with vitamin C and retinoids.]]></description>
    </item>
    <item>
      <title><![CDATA[Best Peptide Serum: How to Choose One on Evidence]]></title>
      <link>https://peptidedecode.com/skin-peptides/best-serums/</link>
      <guid isPermaLink="true">https://peptidedecode.com/skin-peptides/best-serums/</guid>
      <pubDate>Wed, 15 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Which peptide, at what concentration, in a formula that makes sense, at what price per mL. The criteria that matter when the marketing all sounds identical.]]></description>
    </item>
    <item>
      <title><![CDATA[What Are Peptides? A Plain, Evidence-Led Guide]]></title>
      <link>https://peptidedecode.com/what-are-peptides/</link>
      <guid isPermaLink="true">https://peptidedecode.com/what-are-peptides/</guid>
      <pubDate>Wed, 15 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Peptides run from supplements you can buy today to the biggest drugs in metabolic medicine. What they are, how the categories differ, and where to start.]]></description>
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