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.
On the flip side, people with hypothyroidism (an underactive thyroid) should not eat suppressor foods in excess. In general, cooking de-activates the goitrogens. To maintain a healthy thyroid, it is important to consume foods rich in tyrosine, zinc, beta-carotene, and vitamin E.n the flip side, people with hypothyroidism (an underactive thyroid) should not eat suppressor foods in excess. In general, cooking de-activates the goitrogens. To maintain a healthy thyroid, it is important to consume foods rich in tyrosine, zinc, beta-carotene, and vitamin E.