Comparison

Dr. Cutler's Ultimate Thyroid Support and Essential Thyroid Nutrition

Dr. Cutler's Ultimate Thyroid Support (True Health) lists 6 distinct ingredients and Essential Thyroid Nutrition (NutriCology) 8 (rows of one ingredient counted once); 5 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 0.43.

Amount per serving (and % of the Daily Value)
IngredientDr. Cutler's Ultimate Thyroid SupportEssential Thyroid Nutrition
Zinc7.5 mg (68%)5 mg (45%)
Vitamin A2,500 IU150 mcg RAE (17%)
Selenium35 mcg (64%)50 mcg (91%)
Iodine100 mcg (67%)150 mcg (100%)
Tyrosine100 mg250 mg
Vitamin B1225 mcg (1042%)
Ashwagandha150 mg
Coleus100 mg
Guggulsterone50 mg

Amounts are per serving as DSLD gives them: Dr. Cutler's Ultimate Thyroid Support, 1 capsule; Essential Thyroid Nutrition, 1 tablet. Current labels entered December 2012 and January 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own