Thyroid-Supporting
Shellfish
Zinc required for TSH receptor function and T4→T3 conversion. Selenium cofactor for deiodinase. Iodine for hormone synthesis. B12 common deficiency in hypothyroidism.
Mechanism of Action
Zinc required for TSH receptor function and T4→T3 conversion. Selenium cofactor for deiodinase. Iodine for hormone synthesis. B12 common deficiency in hypothyroidism.
Active Compounds
Therapeutic Applications
Serving Size & Preparation
Recommended Serving Size
4-6oz 2x/week
Preparation Guidelines
Oysters highest in zinc (6 oysters = 300% DV). Steam, grill, or raw. Buy from clean waters
Synergistic Combinations
These foods and compounds enhance the therapeutic effects of Shellfish:
Additional Notes
Oysters are zinc superstars for thyroid function
Safety Information
Contraindications
Shellfish allergy, gout, heavy metal concerns (oysters filter toxins)
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.