<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Nasal/sublingual/troche gray-market peptide preparations (mucosal route) — HMTc Standard — page updates</title><link>https://heavymetalcertified.com/standards/peptides-nasal-sublingual</link><description>Published revisions of this Heavy Metal Certified page.</description><atom:link href="https://heavymetalcertified.com/feeds/standards/peptides-nasal-sublingual.xml" rel="self" type="application/rss+xml"/><item><title>Nasal/sublingual/troche gray-market peptide preparations (mucosal route) — HMTc Standard</title><link>https://heavymetalcertified.com/standards/peptides-nasal-sublingual</link><guid isPermaLink="false">https://heavymetalcertified.com/standards/peptides-nasal-sublingual#revision-9586f6cea1204ca2</guid><pubDate>Mon, 21 Sep 2026 04:04:58 GMT</pubDate><description>The Heavy Metal Tested &amp; Certified heavy-metal-safety standard for Nasal/sublingual/troche gray-market peptide preparations (mucosal route) (Peptides, SARMs, and Research Chemicals), evaluated on the finished product as sold. Every analyte is held to the ICH Q3D(R2) elemental-impurity limit for the parenteral route (the harmonized pharmaceutical standard, enforceable via USP &lt;232&gt;), measured on every lot by ICP-MS. Certification is heavy-metal safety only and does not endorse the efficacy or legality of these products.</description></item></channel></rss>