Definition of supernal. 1  1a : being or coming from on highb : heavenly, ethereal supernal melodiesc : superlatively good supernal trumpet playing. 2  2 : located in or belonging to the sky.
Organic Foods. Organic eggs, oranges, grapefruit, lemons, vegetable juices, beef liver and kidney and sprouts derived from organic seeds are believed to increase thyroid activity, according to The Natural Health Place, a healthy living website.
He recommends that patients with thyroid conditions, or those who want to maintain healthy thyroid function, include foods rich in selenium in their daily diet. Selenium-rich foods include seafood, shellfish, eggs, beef liver and beef kidneys.