<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Peptide Source Book</title><description>Independent, primary-source peptide reference: research evidence graded by level, FDA/EU/WADA status, and how to evaluate sources. Not medical advice.</description><link>https://peptidesourcebook.com/</link><item><title>Cognitive &amp; Sleep Peptides: Semax, DSIP and the Evidence (2026)</title><link>https://peptidesourcebook.com/blog/cognitive-peptides-evidence/</link><guid isPermaLink="true">https://peptidesourcebook.com/blog/cognitive-peptides-evidence/</guid><description>Cognitive peptides and sleep peptides — Semax, DSIP and Epitalon — by the evidence: what is preclinical, what is in trials, and the July 2026 FDA vote.</description><pubDate>Mon, 15 Jun 2026 00:00:00 GMT</pubDate></item><item><title>Healing Peptides: BPC-157, TB-500 and KPV Evidence (2026)</title><link>https://peptidesourcebook.com/blog/healing-peptides-evidence/</link><guid isPermaLink="true">https://peptidesourcebook.com/blog/healing-peptides-evidence/</guid><description>Healing peptides like BPC-157, TB-500 and KPV, by the evidence: what is animal-level, what is in trials, and what the July 2026 FDA vote changes.</description><pubDate>Mon, 15 Jun 2026 00:00:00 GMT</pubDate></item><item><title>Longevity Peptides: What the Evidence Actually Shows (2026)</title><link>https://peptidesourcebook.com/blog/longevity-peptides-evidence/</link><guid isPermaLink="true">https://peptidesourcebook.com/blog/longevity-peptides-evidence/</guid><description>Longevity peptides like Epitalon and MOTS-c, by the evidence: what is preclinical, what is in trials, and what the July 2026 FDA vote changes.</description><pubDate>Mon, 15 Jun 2026 00:00:00 GMT</pubDate></item><item><title>FDA Peptide Meeting (July 2026): What&apos;s Actually Being Decided</title><link>https://peptidesourcebook.com/blog/fda-peptide-meeting-july-2026/</link><guid isPermaLink="true">https://peptidesourcebook.com/blog/fda-peptide-meeting-july-2026/</guid><description>The FDA peptide meeting in July 2026, explained: the seven peptides up for 503A compounding, what a yes vote would change, and the one myth to ignore.</description><pubDate>Sat, 13 Jun 2026 00:00:00 GMT</pubDate></item><item><title>How We Grade Peptide Evidence</title><link>https://peptidesourcebook.com/blog/how-we-grade-evidence/</link><guid isPermaLink="true">https://peptidesourcebook.com/blog/how-we-grade-evidence/</guid><description>How Peptide Source Book grades peptide evidence: the six levels, where the data comes from (PubMed, ClinicalTrials.gov), and why a human RCT beats animal data.</description><pubDate>Sat, 13 Jun 2026 00:00:00 GMT</pubDate></item><item><title>Is BPC-157 Legal? FDA, EU and WADA Status in 2026</title><link>https://peptidesourcebook.com/blog/is-bpc-157-legal/</link><guid isPermaLink="true">https://peptidesourcebook.com/blog/is-bpc-157-legal/</guid><description>Is BPC-157 legal? The sourced 2026 answer: US unapproved-drug and compounding status, no EU authorization, and the WADA S0 ban, clearly explained.</description><pubDate>Sat, 13 Jun 2026 00:00:00 GMT</pubDate></item></channel></rss>