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.
Eat your sea vegetables. Youâve probably seen nori at sushi restaurants, and itâs just one of a variety of sea vegetables that can enhance the flavor of your favorite foods and boost your thyroid function. Sea vegetables should be at the top of your list of excellent foods for your thyroid.