The Monocarboxylate Transporter 8 (MCT8) Brain Barrier: Why Blood Thyroid Levels Don’t Match Neurological Fog
Thyroid hormones can’t just drift into the brain on their own. Getting across the blood-brain barrier takes specialized transporters called MCT8 and OATP1C1. That’s why your blood work can look perfect while your brain is still running low on thyroid hormone. Key Clinical Takeaways Thyroid hormones need active transport by MCT8 and OATP1C1 to cross … Read more