Eat 3-4 Brazil nuts daily to help a sluggish thyroid. One of the largest problems with typical thyroid medication (for hypothyroidism) is that it only provides T4 hormone. The most bioactive form of thyroid hormone in your body is actually T3. Your body needs several key nutrients to convert T4 to T3 efficiently. One of them is selenium. Brazil nuts are nature's most edible source of selenium.
Can Brazil nuts help a sluggish thyroid? « Purpose LLC