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  <!-- Core and informational pages -->
  <url><loc>https://optiblood.uk/</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>1.0</priority></url>
  <url><loc>https://optiblood.uk/bundles</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.9</priority></url>
  <url><loc>https://optiblood.uk/all-blood-tests</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.9</priority></url>
  <url><loc>https://optiblood.uk/tests</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.9</priority></url>
  <url><loc>https://optiblood.uk/tests/a-z</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.8</priority></url>
  <url><loc>https://optiblood.uk/about</loc><lastmod>2026-09-01</lastmod><changefreq>monthly</changefreq><priority>0.5</priority></url>
  <url><loc>https://optiblood.uk/help</loc><lastmod>2026-09-01</lastmod><changefreq>monthly</changefreq><priority>0.5</priority></url>
  <url><loc>https://optiblood.uk/contact</loc><lastmod>2026-09-01</lastmod><changefreq>monthly</changefreq><priority>0.5</priority></url>
  <url><loc>https://optiblood.uk/articles</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>

  <!-- Legal pages -->
  <url><loc>https://optiblood.uk/terms-of-service</loc><lastmod>2026-09-01</lastmod><changefreq>yearly</changefreq><priority>0.3</priority></url>
  <url><loc>https://optiblood.uk/privacy-policy</loc><lastmod>2026-09-01</lastmod><changefreq>yearly</changefreq><priority>0.3</priority></url>
  <url><loc>https://optiblood.uk/cancellations-returns-refunds</loc><lastmod>2026-09-01</lastmod><changefreq>yearly</changefreq><priority>0.3</priority></url>
  <url><loc>https://optiblood.uk/cookie-policy</loc><lastmod>2026-09-01</lastmod><changefreq>yearly</changefreq><priority>0.3</priority></url>

  <!-- Test category pages -->
  <url><loc>https://optiblood.uk/tests/general-health</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.7</priority></url>
  <url><loc>https://optiblood.uk/tests/heart-cholesterol</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.7</priority></url>
  <url><loc>https://optiblood.uk/tests/liver-kidney</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.7</priority></url>
  <url><loc>https://optiblood.uk/tests/hormones-fertility</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.7</priority></url>
  <url><loc>https://optiblood.uk/tests/thyroid</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.7</priority></url>
  <url><loc>https://optiblood.uk/tests/vitamins-nutrition</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.7</priority></url>
  <url><loc>https://optiblood.uk/tests/allergy-coeliac</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.7</priority></url>
  <url><loc>https://optiblood.uk/tests/infection-screening</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.7</priority></url>
  <url><loc>https://optiblood.uk/tests/prostate-ovarian</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.7</priority></url>

  <!-- Health bundles -->
  <url><loc>https://optiblood.uk/bundle/essential-health-check</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.8</priority></url>
  <url><loc>https://optiblood.uk/bundle/well-man</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.8</priority></url>
  <url><loc>https://optiblood.uk/bundle/well-woman</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.8</priority></url>
  <url><loc>https://optiblood.uk/bundle/energy-panel</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.8</priority></url>
  <url><loc>https://optiblood.uk/bundle/heart-diabetes-check</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.8</priority></url>
  <url><loc>https://optiblood.uk/bundle/male-hormone-check</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.8</priority></url>
  <url><loc>https://optiblood.uk/bundle/advanced-heart-risk</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.8</priority></url>
  <url><loc>https://optiblood.uk/bundle/female-hormone-fertility</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.8</priority></url>
  <url><loc>https://optiblood.uk/bundle/complete-thyroid-check</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.8</priority></url>
  <url><loc>https://optiblood.uk/bundle/blood-borne-infection-screen</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.8</priority></url>
  <url><loc>https://optiblood.uk/bundle/couples-bundle</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.8</priority></url>

  <!-- Individual tests: General Health & Metabolism -->
  <url><loc>https://optiblood.uk/test/crp</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/uric-acid</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/hs-crp</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/hba1c</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/amylase</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>

  <!-- Individual tests: Heart & Cholesterol -->
  <url><loc>https://optiblood.uk/test/lipid-profile</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/apolipoprotein-a1</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/apolipoprotein-b</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/apolipoprotein-a1-b-profile</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/lp-pla2</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>

  <!-- Individual tests: Liver & Kidney Health -->
  <url><loc>https://optiblood.uk/test/creatinine-egfr</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/liver-function-tlft</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/cdt</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>

  <!-- Individual tests: Hormones & Fertility -->
  <url><loc>https://optiblood.uk/test/testosterone</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/shbg</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/dhea-sulphate</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/cortisol</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/amh</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/female-hormone-profile</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/hrt-profile-1</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/beta-hcg</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>

  <!-- Individual tests: Thyroid Health -->
  <url><loc>https://optiblood.uk/test/thyroid-profile-1</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/thyroid-profile-3</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/thyroid-antibodies</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>

  <!-- Individual tests: Vitamins & Nutrition -->
  <url><loc>https://optiblood.uk/test/ferritin</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/active-vitamin-b12</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/vitamin-d</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/omega-36</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>

  <!-- Individual tests: Allergy & Coeliac -->
  <url><loc>https://optiblood.uk/test/alex3-allergy</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/gliadin-igg</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/t-tg-iga</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>

  <!-- Individual tests: Infection Screening -->
  <url><loc>https://optiblood.uk/test/covid-spike-antibodies</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/hep-bsag</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/hep-b-immunity</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/hep-c-antibodies</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/hiv</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/syphilis</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>

  <!-- Individual tests: Prostate & Ovarian Health -->
  <url><loc>https://optiblood.uk/test/psa</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/prostate-profile</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>
  <url><loc>https://optiblood.uk/test/ca-125</loc><lastmod>2026-09-01</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url>

</urlset>
