Thyroid-Supporting
Fermented Foods
Healthy gut microbiome essential for T4→T3 conversion (20% occurs in gut). Reduces intestinal permeability and autoimmune triggers. K2 supports calcium metabolism.
Mechanism of Action
Healthy gut microbiome essential for T4→T3 conversion (20% occurs in gut). Reduces intestinal permeability and autoimmune triggers. K2 supports calcium metabolism.
Active Compounds
Therapeutic Applications
Serving Size & Preparation
Recommended Serving Size
1/4-1/2 cup daily
Preparation Guidelines
Sauerkraut, kimchi, kefir, yogurt. Start small if new to fermented foods. Unpasteurized for live cultures
Synergistic Combinations
These foods and compounds enhance the therapeutic effects of Fermented Foods:
Additional Notes
Gut health crucial for thyroid - 70% of immune system in gut
Safety Information
Contraindications
Histamine intolerance, FODMAP sensitivity, SIBO
Quick Facts
Evidence Level
Related Foods
Grass-Fed Liver
Vitamin A supports TSH receptor sensitivity. Extremely bioavailable iron. B vitamins cofactors for thyroid hormone synthesis. CoQ10 supports mitochondrial function.
Brazil Nuts
Selenium is cofactor for deiodinase enzymes that convert T4 to active T3. Supports glutathione peroxidase (antioxidant). Single richest food source of selenium.
Wild-Caught Fish
Selenium supports thyroid hormone metabolism. Omega-3s reduce thyroid-damaging inflammation. Vitamin D supports immune regulation in autoimmune thyroid disease.