Essentially under stress response thyroid hormone conversion is going to be down regulated to peripheral tissues. (bengreenfieldfitness.com)
An imbalance of thyroid hormones, specifically hypothyroidism or thyroid hormone conversion disorders, can make it difficult or impossible to lose weight. (holtorfmed.com)
Sunflower seeds are particularly high in selenium, which is crucial for thyroid hormone conversion and liver detoxification. (freshly-grown.com)