INFLAMMATION NATION PODCAST

Stop Trying to Lower Your Thyroid Antibodies

Published: August 26, 2026 |  Host: Dr. Steven Noseworthy  |  Episode: 193

If you have Hashimoto's, your TPO antibodies are probably not the enemy — they're the smoke alarm, not the fire. Here's why lowering them almost never fixes how you feel, and what to focus on instead.

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Show Notes

Episode Summary

If you have Hashimoto's, you've probably been taught that the goal is to get your TPO antibodies down. Dr. Noseworthy walks through why that's the wrong target for almost everyone, what your antibody numbers are actually telling you, and the handful of things — starting with how you take your thyroid medication — that actually move the needle on how you feel.

Keywords

TPO antibodies, Hashimoto's thyroiditis, thyroid antibodies, thyroid peroxidase, selenium and thyroid, selenomethionine, autoimmune thyroid disease, Hashimoto's stages, cerebellum antibodies, immune competence, thyroid medication absorption

Key Topics

  • Why lowering TPO/thyroglobulin antibodies isn't the real goal
  • The 4 stages of Hashimoto's progression (silent → reactivity → lab-positive → advanced)
  • Thyroid medication timing and absorption
  • TPO and ATA antibodies explained — the "smoke alarm, not the fire" framework
  • Cross-reactivity between TPO antibodies and the cerebellum (balance, coordination, anxiety)
  • Theoretical cross-reactivity with MPO/LPO (bacterial defense, breast pain, colostrum response)
  • Selenium/selenomethionine — when it helps and when it's a waste of money
  • The real levers: diet, lectins/gluten, blood sugar, sleep, community, environmental plastics

Key Frameworks

  • The 4 Stages of Hashimoto's (Silent → Reactivity → Lab-Positive/Hypothyroid → Advanced)
  • The Smoke Alarm vs. the Fire (antibodies signal damage, they don't cause it)
  • Too Simple — Often Overlooked: medication timing
  • 5 levers you actually control: diet, gluten, lectins/blood sugar, sleep, community, environment

Action Items

  1. Check how you're taking your thyroid medication — 30 minutes before food, coffee, or any supplement containing calcium or iron.
  2. Get an actual selenium level checked before supplementing — don't add selenomethionine if you're already above ~100–125.
  3. Self-assess for cerebellar cross-reactivity: balance, dizziness, coordination, anxiety, and negative-thought loops.
  4. Go strictly gluten-free (not "mostly"), watch red kidney beans and other lectin-heavy foods, and stabilize your blood sugar.
  5. Protect your sleep, build real social connection, and clean up personal-care products and food-contact plastics.

Sound Bites

  • "Your antibodies are almost never the enemy. They're not the fire, they're the smoke alarm."
  • "Just because your antibodies go down doesn't mean your Hashimoto's has improved."
  • "The severity of your Hashimoto's is not tied to how high or low your antibody levels are."
  • "It doesn't work unless you're already selenium deficient."
  • "Fundamentals first, in order, every single time."

Key Takeaways

  • Thyroid antibodies are a signal of autoimmune activity, not the direct cause of thyroid tissue damage.
  • Antibody levels don't correlate with how sick or functional you feel — someone with antibodies 50x the reference range can be stable while someone barely above range is falling apart.
  • Chasing lower antibody numbers usually chases the wrong target; the real goal is immune competence and control.
  • The one confirmed exception: TPO antibodies can cross-react with your cerebellum, showing up as balance issues, dizziness, or anxiety.

Resources Mentioned

  • 2007 study, Journal of Neuroimmunology — TPO antibody cross-reactivity with cerebellar astrocytes
  • Episode 192: Preventing Brain Fog and Dementia (referenced re: astrocytes and brain inflammation)

Full Episode Transcript & Timestamps