<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
  <url>
    <loc>https://opensubstance.org/</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>weekly</changefreq>
    <priority>1.0</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substances</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/rankings</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/interactions</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/combos</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/routes</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/analogs</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/sources</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/about</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/help</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/lsd</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/mushrooms</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/dmt</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/mescaline</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/2cx</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/mdma</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/cocaine</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/amphetamines</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/methylphenidate</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/methamphetamine</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/nicotine</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/cannabis</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/ketamine</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/pcp</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/dxm</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/nitrous</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/poppers</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/alcohol</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/ghb</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/benzodiazepine</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/opioids</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/fentanyl</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/tramadol</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/kratom</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/caffeine</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/nitazenes</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://opensubstance.org/substance/cathinones</loc>
    <lastmod>2026-04-16</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
</urlset>